Khoom

Tsev / Khoom / Chemical Auxiliary Agent

Benzidine

Xa kev nug

Khoom Taw qhia

Benzidine Cov ntaub ntawv yooj yim

Chemical properties Siv Toxicity

Khoom npe:	Benzidine
Synonyms:	[1,1'-Biphenyl] -4,4'-diamine; 4,4'-bianiline; 4,4'-biphenylenediamine; 4,4'-diamino-bipheny; 4,4'-diaminodiphenyl; benzydyna (polish);biphenyl -4, 4'-ylenediamine; Biphenyl, 4,4'-diamino-
CAS:	92-87-5
MF:	C12H12N2
MW:	184.24
EINECS:	202-199-1
Khoom Categories:	Intermediates ntawm Dyes thiab Pigments; Azo dye; Amines; Aromatics; Txoj kev 8270Ntau... Kaw...; 8000 Series Cov Khoom Siv Khoom Siv; A-BMethod Specific; Aryl Amines MAK III, Qeb 1Alphabetic; Alpha Sort; Cov Qauv Ntsuas; Cov Qauv Ntsuas; Aromatics Method Specific; BenzidinesEPA; Chemical Class; B; BA - BHEnvironmental Standards; Benzidines; Oeko-Tex Standard 100; Volatiles / Semivolatiles
Mol File:	92-87-5.mol

Benzidine Chemical Properties

Melting point	127-128 degree
Boiling point	402 degree
ceev	1.25
vapor siab	Raws li qhov tshwj xeeb vapor density tus nqi ntawm 6.36 (Sims li al., 1988), lub vapor siab raug suav tias yog 0.83 ntawm 20 degree .
Refractive Index	1.6266 (kwv yees)
Fp	11 degree
cia temp.	2-8 degree
solubility	Soluble hauv ethanol (US EPA, 1985) thiab ether (1 g / 50 mL) (Windholz li al., 1983)
pka ua	4.66 (ntawm 30 degree)
xim	Grey-daj, crystalline hmoov; dawb los yog sltlyreddish crystals, hmoov
Dej Solubility	Sparingly soluble.<0.1 g/100 mL at 22 ºC
Merck	13,1077
BRN	742770
Henry's Law Constant	(x 10^-11atm ua³/mol): 3.88 ntawm 25 degree (kwv yees, Howard, 1989)
Kev txwv tsis pub dhau	Vim tias nws yog cov carcinogen thiab nkag tau los ntawm daim tawv nqaij, tsis muaj TLV tau raug muab. Kev nthuav tawm yuav tsum yog qhov tsawg kawg nkaus. Pom tau tib neeg Carcinogen (ACGIH); Human Carcinogen (MSHA); Carcinogen (OSHA); Human Sufficient Evidence, Animal Sufficient Evidence (IARC).
Kev ruaj ntseg:	ruaj khov. Hluav taws kub. Incompatible nrog muaj zog oxidizing neeg sawv cev.
InChIKey	HFACYLZERDEVSX-UHFFFAOYSA-N
CAS DataBase Reference	92-87-5(CAS DataBase Reference)
NIST Chemistry Reference	Benzidine (92-87-5)
IARC	1 (Vol. 29, Sup 7, 99, 100F) 2012
EPA Tshuaj Registry System	Benzidine (92-87-5)

Cov ntaub ntawv kev nyab xeeb

Hazard Codes	T, N, F, Xn
Risk Statements	45-22-50/53-52/53-39/23/24/25-23/24/25-11-36/37/38-20/21/22-51/53-67
Cov lus hais txog kev nyab xeeb	53-45-60-61-36/37-16-7-36-26
RIDADR	UN 1885 6.1/PG 2
WGK Germany	3
RTECS	wb 9625000
F	8
HazardClass	6.1(a)
PackingGroup	II
HS Code	29215900
Cov Ntaub Ntawv Muaj Xwm Ceev	92-87-5( Cov ntaub ntawv muaj phom sij)
Toxicity	Mob qhov ncauj LD₅₀rau nas 214 mg/kg, nas 309 mg/kg (quoted, RTECS, 1985).

MSDS Cov Ntaub Ntawv

Tus kws kho mob	Lus
SigmaAldrich	Lus Askiv

Kev siv Benzidine thiab Synthesis

Cov khoom siv tshuaj	Nws tshwm li dawb los yog lub teeb liab dawb crystalline hmoov nrog lub melting point ntawm 125 degree, lub boiling point ntawm 400 degree, (98.7kPa) thiab tus txheeb ze ntom ntawm 1.250 (20/4 degree). Nws yog soluble hauv boiling ethanol, acetic acid thiab diluted hydrochloric acid, me ntsis soluble nyob rau hauv ether, me ntsis soluble nyob rau hauv boiling dej thiab me ntsis soluble nyob rau hauv dej txias. Nws cov xim yog darkened nyob rau hauv huab cua thiab lub teeb. Kev tshuaj xyuas cov tshuaj reagents feem ntau yog benzodine hydrochloride lossis acetate, uas yog soluble ntau dua, thiab sulfate feem ntau siv hauv kev lag luam. Benzidine acetate yog dawb los yog yuav luag dawb crystals, yog soluble nyob rau hauv dej, acetic acid thiab hydrochloric acid, raws li ib tug qhia. Benzidine sulfate yog dawb crystalline hmoov los yog flaky crystal, soluble nyob rau hauv ether, me ntsis soluble nyob rau hauv dej, dilute acid thiab cawv.
Siv	Qhov tseem ceeb dye intermediates, benzidine thiab nws cov derivatives tuaj yeem siv los ua cov dyes ncaj qha, acid dyes, vat dyes, dyed dyes, sulfur dyes, reactive dyes thiab organic pigments. Ntau tshaj 250 dyes yog tsim los ntawm benzidine, uas qhov tseem ceeb tshaj plaws yog EW ncaj qha dub. Cov benzidine daj yog ib qho siv dav siv cov xim organic.
Toxicity	Benzidine yog cov tshuaj lom heev, tuaj yeem nqus tau los ntawm cov kab mob ua pa, tawv nqaij thiab plab zom mov, thiab muaj tshuaj lom heev, koom nrog cov carcinogen. Ob leeg khoom thiab vapor yog sai absorbed los ntawm daim tawv nqaij, ua rau cov ntshav puas thiab ua rau lub zais zis cancer. Ua yuam kev noj nws tuaj yeem ua rau xeev siab, ntuav, lub siab thiab lub raum puas. Nas qhov ncauj LD50: 214mg / kg (lub cev hnyav), nas qhov ncauj LD50: 309 mg / kg (lub cev hnyav). Luav thiab dev muaj qhov ncauj qhov ncauj tsawg kawg nkaus ntawm 200mg / kg (qhov hnyav). Cov tshuaj lom loj tshaj plaws yog hemorrhagic cystitis. Cov nyhuv ntawm kev tsim ntawm methemoglobin tsis muaj zog. Nws muaj stimulation nyhuv ntawm daim tawv nqaij thiab mucous daim nyias nyias, muaj peev xwm ua rau hu rau dermatitis. Nws tuaj yeem ua rau mob qog noj ntshav hauv cov nas thiab hamsters, ua rau nas daim siab, Zymbal caj pas, mob qog noj ntshav thiab mob plab thiab ua rau mob qog noj ntshav hauv dev. Ntau yam ntawm kev sim mutagenicity luv luv tau muab cov txiaj ntsig zoo. Lub Koom Haum Thoob Ntiaj Teb rau Kev Tshawb Fawb Txog Kev Mob Cancer (IARC) muab faib ua tib neeg carcinogen (cov ntaub ntawv zoo) nrog lub hom phiaj yog zais zis. Qhov kev pheej hmoo ntawm kev mob qog nqaij hlav hauv lub zais zis hauv cov neeg ua haujlwm tshuaj dyes yog 19 nrog lub sijhawm incubation txog 19 xyoo.
Kev piav qhia	Benzidine yog dawb, greyish-daj, los yog me ntsis reddish crystalline khoom los yog hmoov. Kev siv loj rau benzidine yog nyob rau hauv kev tsim cov dyes, tshwj xeeb tshaj yog azo dyes nyob rau hauv tawv, textile, thiab ntawv industries thiab raws li ib tug hluavtaws precursor nyob rau hauv kev npaj thiab tsim cov dyestuffs. Nws kuj tseem siv rau hauv kev tsim cov roj hmab, ua cov tshuaj reagent, thiab ua cov stain hauv microscopy. Nws yog me ntsis soluble thiab maj mam hloov ntawm cov khoom mus rau ib qho roj.
Chemical Properties	Off-White Solid
Chemical Properties	Benzidine yog dawb, greyish-daj, los yog me ntsis reddish crystalline khoom los yog hmoov. Kev siv loj rau benzidine yog nyob rau hauv kev tsim cov dyes, tshwj xeeb tshaj yog azo dyes nyob rau hauv tawv, textile, thiab ntawv industries, raws li ib tug hluavtaws precursor nyob rau hauv kev npaj thiab tsim cov dyestuffs. Nws kuj yog siv nyob rau hauv kev tsim cov dyes thiab roj hmab, ua ib tug reagent, thiab raws li ib tug stain nyob rau hauv microscopy. Nws yog me ntsis soluble thiab maj mam hloov ntawm cov khoom mus rau ib qho roj.
Chemical Properties	Benzidine yog dawb, greyish-daj crystalline khoom lossis hmoov. Hloov xim av-liab rau ntawm huab cua thiab lub teeb;
Lub cev muaj zog	Greyish-daj rau daj ntseg liab hmoov los yog muaju. Darkens ntawm raug huab cua los yog lub teeb. Tsis hnov tsw.
Siv	Benzidine tau siv dav hauv kev ua haujlwm ntawm dyes. Vim tias nws cov kab mob qog noj ntshav hauv tib neeg, nws daim ntawv thov hauv dyes tau raug txwv. Lwm yam kev siv ntawm cov tshuaj no yog nyob rau hauv tshuaj ntsuam xyuas: raws li ib tug reagent rau kev txiav txim ntawm hydrogen peroxide nyob rau hauv milkand nyob rau hauv kev tsom xam ntawm nicotine. Nws lub caij hydrochlo yog siv los ua cov tshuaj reagent los soj ntsuam cov hlau thiab sulfate.
Siv	Kev tsim cov dyestuffs; hardener rau roj hmab; kuaj reagent
Siv	Muaj peev xwm mutagenic compound.
Txhais	ChEBI: Ib tug tswv cuab ntawm chav kawm ntawm biphenyls uas yog 1,1'-biphenyl nyob rau hauv uas cov hydrogen ntawm para-txoj hauj lwm ntawm txhua pawg phenyl tau hloov los ntawm ib pawg amino.
Kev npaj	1-Nitrobenzene restore 1,2-Diphenylhydrazine?tig nrog acid rearrangement.
Txoj kev tsim khoom	Benzidine ntau lawm tam sim no tsuas yog siv rau kev ntes thiab yuav tsum tau ua nyob rau hauv kaw kaw nyob rau hauv kev tswj chaw ua hauj lwm nruj. Benzidine yog siv nyob rau hauv lub synthesisofdyesanddyeintermediates, asahardenerforrubber, thiab raws li ib tug kuaj reagent. Qhov ua tau zoo tshaj plaws hluavtaws ncaj dye yog Congo Liab, diazo derivative npaj los ntawm benzidinebyBoettigerin1884.Nearlyalldirectdyesareazo cov khoom. Congo Liab yog siv rau hauv tib neeg intravenously rau kev kho mob ntawm amyloidosis. Lub hauv paus rau nws siv yog qhov tsis tau piav qhia rau amyloid, uas tshem tawm cov xim sai sai ntawm cov ntshav. Nws yog siv nyob rau hauv kev kho mob rau kev tswj ntawm profuse capillary hemorrhage xws li ib tug tshwm sim nyob rau hauv septicemias thiab nyob rau hauv lub davhlau ya nyob twg theem ntawm leukemia.
Synthesis Reference (cov)	Phau ntawv Journal of Organic Chemistry, 41, p. 2661, 1976 ibDOI:10.1021/j00877a041 Synthesis, p. Peb 40, 1976DOI: 10.1055/s-1976-23952
Kev piav qhia dav dav	Ib tug greyish-daj mus rau grayish-liab, crystalline khoom. Toxic los ntawm kev noj, nqus pa, thiab daim tawv nqaij nqus. combustion tsim tshuaj lom oxides ntawm nitrogen. Siv los ua lwm yam tshuaj thiab hauv tshuaj lom neeg thiab tshuaj lom neeg.
Cua & Dej Reactions	Darkens ntawm raug huab cua thiab lub teeb. Soluble hauv dej kub.
Reactivity Profile	Benzidine tsim insoluble ntsev nrog sulfuric acid. Yuav diazotized, acetylated thiab alkylated. Yog hypergolic nrog liab fuming nitric acid. Neutralizes acids nyob rau hauv exothermic tshua los tsim cov ntsev ntxiv rau dej. Tej zaum yuav tsis sib haum nrog isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, thiab acid halides. Flammable gaseous hydrogen tuaj yeem tsim ua ke nrog cov tshuaj tiv thaiv muaj zog, xws li hydrides.
Hazard	Cov tshuaj lom heev los ntawm kev noj, nqus pa, thiab nqus ntawm daim tawv nqaij. Paub tseeb tias carcinogen.
Health Hazard	Benzidine yog ib tug paub carcinogen, ua rau mob qog nqaij hlav hauv tib neeg. Ntau cov ntawv ceeb toom hauv cov ntaub ntawv sau txog nws cov carcinogenicity hauv cov tsiaj thiab tib neeg. Qhov ncauj los yog subcutaneousapplication ntawm no compound nyob rau hauv cov tsiaj sim ua qog nyob rau hauv daim siab, ntshav, ntsws, thiab daim tawv nqaij. Txoj hauv kev ntawm kev nkag mus rau hauv tib neeg lub cev feem ntau yog qhov nqus ntawm nws cov plua plav thiab nqus los ntawm daim tawv nqaij. Thaum tib neeg thiab dev tsim mob qog noj ntshav los ntawm benzidine, nas feem ntau tsim mob qog noj ntshav.Cov ntaub ntawv me me muaj nyob rau ntawm qhov tsis muaj mob qog noj ntshav los ntawm ben zidine. Tus mob qhov ncauj toxicity nyob rau hauv cov tsiaj yog nruab nrab. Kev noj haus tuaj yeem ua rau xeev siab, ntuav, raum, thiab lub siab puas. Qhov txiaj ntsig ntawm qhov ncaujLD50 hauv kev sim tsiaj nyob hauv thaj tsam 150-300 mg / kg.Lub tshuab ntawm carcinogenicity ntawm ben zidine yog xav tias yuav koom nrog nws cov metabolictransformations ua reactive intermedi ates khi rau DNA. Xws li DNA adductshave tau txheeb xyuas hauv nas lub siab. Nws kuaj pom zoo hauv feem ntau cov kev kuaj genotoxic. Nws lub tsheb cinogenicity tejzaum nws muaj feem xyuam rau tus nqi qeeb ntawm daim siab detoxification los ntawm acetyla tion tso cai rau benzidine los yog nws cov metabolites nyob rau hauv cov zis (Whysner li al. 1996).
Health Hazard	Poisonous yog nqus tau, nqos los yog nqus los ntawm daim tawv nqaij. Tej zaum yuav ua rau tus kab mob hu ua dermatitis, irritation los yog rhiab heev. Kev noj haus yuav ua rau xeev siab thiab ntuav.
Health Hazard	Kev raug benzidine ua rau khaus qhov muag. Cov tsiaj kuaj pom muaj benzidine tsawg li ntawm {{0}}.01% mus rau 0.08% hauv cov zaub mov pom tias muaj kev phom sij rau kev noj qab haus huv, xws li lub cev hnyav hauv daim siab, lub raum, thiab lub cev hnyav, thiab nce hauv spleen hnyav, o ntawm daim siab, thiab ntshav hauv cov zis. Kev tso zis tuaj yeem ua rau muaj qhov tso zis ntau ntxiv, cov ntshav hauv cov zis, thiab cov qog tso zis. Benzidine yog suav tias yog mob hnyav rau tib neeg los ntawm kev noj tshuaj, nrog kwv yees li ntawm 50 txog 500 mg / kg. Cov tsos mob ntawm tus kab mob no tshwm sim muaj xws li cyanosis, mob taub hau, puas hlwb tsis meej pem, xeev siab, thiab vertigo. Kev kis kab mob tuaj yeem ua rau daim tawv nqaij ua pob khaus thiab khaus khaus. Ntev ntev raug rau benzidine ua rau lub zais zis raug mob rau tib neeg
Kev ruaj ntseg Profile	Paub meej tias tib neeg carcinogen ua rau lub zais zis qog. Kev sim cov ntaub ntawv carcinogenic thiab tumorigenic. Cov tshuaj lom los ntawm kev noj tshuaj thiab cov kab mob intraperitoneal. Human mutation data qhia. Nws tuaj yeem ua rau muaj kev puas tsuaj rau cov ntshav, suav nrog hemolysis thiab pob txha pob txha kev nyuaj siab. Thaum noj tshuaj ua rau xeev siab thiab ntuav, uas tuaj yeem ua raws li daim siab thiab lub raum puas. Ib qho kev nthuav tawm yog suav tias yog qhov txaus ntshai heev. Thaum rhuab rau decomposition nws emits cov pa phem heev ntawm NOx. Saib ntxiv AROMATIC AMINES.
Ntxim yuav nphav raug	Benzidine yog siv feem ntau hauv kev tsim cov azo dyestuffs; muaj ntau tshaj 250 ntawm cov no tsim. Lwm yam kev siv, suav nrog qee qhov uas tej zaum yuav raug txiav tawm, yog nyob rau hauv kev lag luam roj hmab ua ib qho tawv tawv; hauv kev tsim cov yeeb yaj kiab yas; txhawm rau txheeb xyuas cov ntshav occult hauv cov quav, zis, thiab cov kua dej hauv lub cev; hauv kev tshawb pom H2O2 hauv cov mis nyuj; hauv kev tsim cov ntawv ruaj ntseg; thiab raws li kev kuaj reagent hauv kev txiav txim siab HCN, sulfate, nicotine, thiab qee cov suab thaj. Tsis pom muaj qhov hloov pauv rau nws siv hauv dyes. Dawb benzidine muaj nyob rau hauv benzidine-derived azo dyes. Raws li kev lag luam, kev tswj xyuas qhov tshwj xeeb yuav tsum muaj qib tsis tshaj 20 ppm thiab hauv kev xyaum, qib feem ntau yog qis dua 10 ppm. Cov kev cai hauv Teb Chaws Asmeskas hais txog cov tshuaj no txhais cov txheej txheem nruj kom tsis txhob muaj kev sib cuag nrog cov neeg ua haujlwm: sib tov uas muaj 0.1% lossis ntau dua yuav tsum tau khaws cia hauv cov txheej txheem cais lossis kaw; cov neeg ua haujlwm yuav tsum ua raws li cov cai tshwj xeeb ntawm kev tu tus kheej, thiab qee cov txheej txheem yuav tsum tau ua raws li thaum muaj xwm txheej ceev. Qee cov tshuaj p-phenylenediamine tau siv los ua cov khoom siv roj hmab, thiab DFG ceeb toom txog kev phom sij ntawm daim tawv nqaij. Benzidine thiab dyes metabolized rau benzidine: Peb cov benzidine-based dyes hauv qab no tau sim thiab pom tias ua rau mob qog noj ntshav hauv cov nas tom qab kis qhov ncauj rau 13 lub lis piam (NCI 1978, IARC 1982): CI direct black 38 (CAS 1937-37-7) ua rau mob qog noj ntshav hauv cov nas thiab nas, mob qog nqaij hlav mammary hauv nas, thiab mob qog noj ntshav thiab zis- zais zis hauv nas. CI direct Blue 6 (CAS 2602-46-2) ua rau mob qog noj ntshav hauv nas. CI direct xim av 95 (CAS 16071-86-6) ua rau hepatocellular adenoma nyob rau hauv daim siab thiab ib tug malignant daim siab qog nyob rau hauv nas.
Kev pab thawj zaug	Yog hais tias cov tshuaj no nkag mus rau hauv lub qhov muag, tshem tawm ib qho kev sib cuag lo ntsiab muag ib zaug thiab irrigate tam sim ntawd rau tsawg kawg yog 15 feeb, qee zaus nqa lub hau sab sauv thiab qis dua. Nrhiav kev kho mob tam sim ntawd. Yog tias cov tshuaj no kis rau ntawm daim tawv nqaij, tshem tawm cov khaub ncaws tsis huv thiab ntxuav tam sim nrog xab npum thiab dej. Nrhiav kev kho mob tam sim ntawd. Yog tias cov tshuaj no tau nqus tau lawm, tshem tawm ntawm qhov raug, pib ua pa cawm siav (siv kev ceev faj thoob ntiaj teb, suav nrog daim npog qhov ncauj resuscitation) yog tias ua pa tau nres thiab CPR yog tias lub plawv nres. Hloov tam sim ntawd mus rau qhov chaw kho mob. Thaum cov tshuaj no tau nqos lawm, mus ntsib kws kho mob. Siv lub plab lavage yog tias noj ua raws li kev noj qab haus huv catharsis. Kev soj ntsuam kho mob raug pom zoo rau 24-48 h tom qab ua pa ntau dhau, vim tias pulmonary edemamay yuav ncua sijhawm. Raws li kev pab thawj zaug rau pulmonary edema, tus kws kho mob tau tso cai kws kho mob yuav txiav txim siab siv tshuaj corticosteroid.
Carcinogenicity	Benzidine paub tias yog tib neeg carcinogen raws li pov thawj txaus ntawm carcinogenicity los ntawm kev tshawb fawb hauv tib neeg.
Qhov chaw	Benzidine tuaj yeem nkag mus rau ib puag ncig los ntawm kev thauj, siv, thiab pov tseg, lossis los ntawm cov xim thiab cov xim uas muaj cov khoom sib xyaw. Cov khoom lag luam photodegradation ntawm 3,3'-dichlorobenzidine. Raws li kev soj ntsuam ntawm 7 coal tar qauv, benzidine yog ND (EPRI, 1990).
Environmental txoj hmoo	Tshuaj lom neeg.Nyob rau hauv activated sludge,<0.1% mineralized to carbon dioxide after 5 d (Freitag et al., 1985). Kincannon and Lin (1985) reported a half-life of 76 d when benzidine in sludge was applied to a sandy loam soil. Av.Benzidine tau ntxiv rau cov av sib txawv thiab muab tso rau hauv qhov tsaus ntuj ntawm 23 degree nyob rau hauv qhov chaw tsis muaj carbon dioxide. Tom qab 1 xyoos, 8.3 mus rau 11.6% ntawm cov benzidine ntxiv degraded rau carbon dioxide feem ntau los ntawm microbial metabolism thiab ib feem los ntawm hydrolysis (Graveel li al., 1986). Tentatively txheeb xyuas biooxidation tebchaw siv GC/MS suav nrog hydroxybenzidine, 3- hydroxybenzidine, 4-amino-4}′-nitrobiphenyl, N, N′-dihydroxybenzidine, 3,3′-dihydroxybenzidine thiab 4,4 '-dinitrobiphenyl (Baird et al., 1977). Raws li aerobic tej yam kev mob, ib nrab-lub neej yog kwv yees li 2 mus rau 8 d (Lu li al., 1977). Tshuaj / Lub cev.Benzidine tsis raug rau hydrolysis (Kollig, 1993). Reacts nrog HCl tsim cov ntsev (C12H12N2?2HCl) uas yog soluble hauv dej heev (61.7 mg / L ntawm 25 degree) (Bowman li al., 1976).
khaws cia	Benzidine yuav tsum khaws cia rau hauv qhov chaw txias, qhov cua zoo, hauv cov thawv kaw, kaw thiab tawm ntawm tshav ntuj thiab deb ntawm tshav kub.
Kev xa khoom	UN1885 Benzidine, Hazard Class: 6.1; Cov ntawv lo: 6.1-Cov khoom muaj kuab lom. PIB.
Txoj Kev Purification	Nws cov tshuaj hauv * benzene yog decolorized los ntawm percolating los ntawm ob 2-cm kab ntawm activated alumina, ces concentrated kom txog rau thaum benzidine crystallises ntawm txias. Recrystallise hloov los ntawm EtOH thiab * benzene mus tas li nqus spectrum [Carlin li al. J Am Chem Soc 73 1002 1951]. Nws kuj tau crystallized los ntawm dej kub (charcoal) thiab los ntawm diethyl ether. Qhuav nws nyob rau hauv lub tshuab nqus tsev nyob rau hauv ib rab yaj phom Abderhalden. Khaws nws nyob rau hauv qhov tsaus ntuj nti nyob rau hauv ib lub thawv stoppered. CARCINOGENIC. [Beilstein 13 IV 364.]
Khoom thiab Daim Ntawv Thov	dawb los yog liab micro crystalline hmoov. Melting point 125 degree, boiling point 400 degree, txheeb ze ntom ntom 1.250 (20 degree). Soluble nyob rau hauv ethanol, tsawg hydrochloric acid thiab acetic acid boiling, me ntsis soluble nyob rau hauv ethyl ether, me ntsis soluble nyob rau hauv dej, heev me ntsis soluble nyob rau hauv dej txias. Nyob rau hauv cov huab cua thiab lub teeb xim kab tsaus dua. Cov khoom no yog cov dye thiab organic pigments nruab nrab.
Kev tshuaj ntsuam toxicity	Kev lag luam tso tawm benzidine rau hauv ib puag ncig hauv daim ntawv ntawm cov kua khib nyiab thiab sludges. Benzidine kuj tseem tuaj yeem raug tso tawm rau hauv ib puag ncig vim muaj nchuav thaum thauj. Nyob rau hauv cov huab cua, benzidine pom muaj khi rau cov khoom uas raug tshem tawm los yog ua ib qho vapor, uas tej zaum yuav raug coj rov qab los rau hauv lub ntiaj teb los ntawm nag lossis lub ntiajteb txawj nqus.
Kev tsis sib haum xeeb	Plua plav tuaj yeem tsim tawg sib xyaw nrog huab cua. Tsis sib haum nrog oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, thiab lwm yam); kev sib cuag tej zaum yuav ua rau hluav taws kub los yog tawg. Ntawm kev sib cuag nrog cov muaj zog txo cov neeg ua haujlwm, xws li hydrides tuaj yeem tsim cov roj hluav taws xob. Khaws kom deb ntawm cov ntaub ntawv alkaline, muaj zog hauv paus, muaj zog acids, oxoacids, epoxides. Kev sib cuag nrog liab fuming nitric acid yuav ua rau hluav taws. Oxidizes hauv huab cua. Neutralizes acids nyob rau hauv exothermic tshua los tsim cov ntsev ntxiv rau dej. Tej zaum yuav tsis sib haum nrog isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, thiab acid halides.
Pov tseg pov tseg	Incineation; oxides ntawm nitrogen raug tshem tawm los ntawm cov roj effluent los ntawm scrubber, catalytic los yog thermal ntaus ntawv. Pob cov khib nyiab pov tseg thiab sorbent media hauv 17 teev epoxy-lined nruas thiab txav mus rau qhov chaw pov tseg EPA pom zoo. Kev kho mob yuav suav nrog kev puas tsuaj los ntawm poov tshuaj permanganate oxidation, hightemperature incineration, los yog microwave plasma txoj kev. 398 Benzidine Encapsulation los ntawm cov organic polyester resin lossis silicate fixation. Cov txheej txheem pov tseg no yuav tsum tau lees paub nrog lub luag haujlwm ib puag ncig engineering thiab cov neeg ua haujlwm tswj hwm.
Cov kev ceev faj	Thaum qhov kub thiab txias, benzidine tawg thiab tso tawm cov pa phem heev. Thaum siv thiab tuav, cov neeg ua haujlwm yuav tsum hnav cov hnab looj tes roj hmab butyl, tsom iav, thiab cov hnab yas puv lub cev thiab xyuas kom tsis txhob muaj tawv nqaij.

Benzidine Npaj Cov Khoom Siv thiab Cov Khoom Raw

Cov khoom siv raw

1,2-Diphenylhydrazine-->Benzidine dihydrochloride-->Nitrobenzene

Cov khoom npaj

Congo Red-->Direct Black 38-->ACID ORANGE 63-->N,N'-BISBENZYLIDENEBENZIDINE-->Acid Red 111-->C. I. Pigment Red 62-->Acid Yellow 44-->Direct Black BH-->ACID RED 114-->Acid Yellow 42-->CI NO 22610-->ACID RED 97 (C.I. 22890)-->4,4'-Diiodobiphenyl-->3,3'-Diaminobenzidine-->3,3'-DINITROBENZIDINE-->4,4'-BIPHENYLDICARBONYL CHLORIDE-->2,7-Diaminofluorene-->N,N'-[1,1'-Biphenyl-4,4'-diylbis(azo)bis(5-hydroxy-7-sodiosulfonaphthalene-6,2-diyl)]bis(glycine sodium) salt-->4-Amino-6-[[4'-[(7-amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt-->5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt-->4-Amino-3-[(2,5-dichlorophenyl)azo]-6-[[4'-[(3-methyl-4-}hydroxyphenyl)azo ]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium ntsev

Cim npe nrov: Tuam Tshoj benzidine manufacturers, lwm tus neeg, Hoobkas

Tug: Tsis muaj

Tom ntej: BISPHENOL F DIGLYCIDYL ETHER

Koj Tseem Yuav Zoo Li

Xa kev nug