Khoom Taw qhia
| 2-Pentanone Cov ntaub ntawv yooj yim |
| Nqe lus piav qhia |
| Khoom npe: | 2-Pentanone |
| Synonyms: | METHYL PROPYL KETONE; METHYL N-PROPYL KETONE; 2-Pentanone, 99+%; METHYL PROPYL KETONE, NATURAL; METHYL PROPYL KETONE, Ntshiab; METHYL PROPYL KETONE, REGULAR 2THONE; 8. |
| CAS: | 107-87-9 |
| MF: | C5H10O |
| MW: | 86.13 |
| EINECS: | 203-528-1 |
| Khoom Categories: | ACS thiab Reagent Grade Solvents; ReagentPlus Solvent Grade Products; Solvent fwj; Solvent by Application; Solvent Packaging Options; Solvents; Sure/Seal Fwj; Amber Glass Fwj; Tshuaj Ntsuam Xyuas Reagents; Analytical / Chromatography; CHROMASOLV rau HPLC; ;HPLC Qib Solvents (CHROMASOLV); Organics; ketone; ketone Flavor; HPLC / UHPLC Solvents (CHROMASOLV); UHPLC Solvents (CHROMASOLV); Carbon Steel Cans with NPT Threads; Reagent; Reagent Grade Solvents; Semi-Bulk Solvents |
| Mol File: | 107-87-9.mol |
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| 2-Pentanone Chemical Properties |
| Melting point | -78 degree (lit.) |
| Boiling point | 101-105 degree (lit.) |
| ceev | 0.809 g/mL ntawm 25 degree (lit.) |
| vapor siab | 27 hli Hg (20 degree) |
| Refractive Index | n20 / D 1.39 (lit.) |
| FEMA | 2842|2-PENTANONE |
| Fp | 45 degree F |
| cia temp. | Khaws hauv qab +30 degree . |
| solubility | dej: soluble 72.6g / L ntawm 20 degree (OECD Test Guideline 105) |
| daim ntawv | Ua kua |
| xim | Colorless mus Yuav luag tsis muaj xim |
| tsw | ntawm 1.00 % hauv dipropylene glycol. qab zib fruity ethereal wine txiv tsawb woody |
| kwv tij polarity | 0.321 |
| tawg txwv | 1.56-8.70%(V) |
| Hom tshuaj tsw qab | txiv hmab txiv ntoo |
| Odor Threshold | 0.028ppm |
| Dej Solubility | 43 g/L (20 ºC) |
| lw max | λ: 330 nm Amax: 1. 00 λ: 340 nm Amax: 0.10 λ: 350 nm Amax: 0.01 λ: {{0}} nm Amax: 0.005 |
| JECFA Number | 279 |
| Merck | 14,6114 |
| BRN | 506058 |
| Henry's Law Constant | 12.30 ntawm 25. 00 degree (headspace-GC, Straver and de Loos, 2005) |
| Kev txwv tsis pub dhau | TLV-TWA 700 mg/m3(200 ppm); STEL 875 mg/m3(250 ppm) (ACGIH). |
| Dielectric tsis tu ncua | 16.8 (14 degree) |
| Kev ruaj ntseg: | ruaj khov. Highly flammable - ceeb toom tsawg flashpoint. Tsis sib haum nrog cov hauv paus muaj zog, oxidizing cov neeg ua haujlwm, txo cov neeg ua haujlwm. |
| LogP | 0.857 ntawm 20 degree |
| CAS DataBase Reference | 107-87-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Pentanone(107-87-9) |
| EPA Tshuaj Registry System | 2-Pentanone (107-87-9) |
| Cov ntaub ntawv kev nyab xeeb |
| Hazard Codes | F, Xn |
| Risk Statements | 11-22-36/37/38 |
| Cov lus hais txog kev nyab xeeb | 9-16-29-33-37/39-26 |
| RIDADR | UN 1249 3/PG 2 |
| OEB | A |
| OEL | TWA: 150 ppm (530 mg/m3) |
| WGK Germany | 1 |
| RTECS | SIB 7875000 |
| Autoignition Kub | 941f ua |
| TSCA | Yog lawm |
| HS Code | 2914 19 90 |
| HazardClass | 3 |
| PackingGroup | II |
| Cov Ntaub Ntawv Muaj Xwm Ceev | 107-87-9( Cov ntaub ntawv muaj phom sij) |
| Toxicity | LD50 ntawm qhov ncauj hauv nas: 3.73 g / kg (Smyth) |
| IDLA | 1,500 ppm |
| MSDS Cov Ntaub Ntawv |
| Tus kws kho mob | Lus |
|---|---|
| SigmaAldrich | Lus Askiv |
| ACROS | Lus Askiv |
| ALFA | Lus Askiv |
| 2-Pentanone Siv Thiab Synthesis |
| Kev piav qhia | 2-Pentanone los yog methyl propyl ketone (MPK) yog cov kua tsis muaj xim tsis muaj xim ketone nrog cov ntxhiab tsw ntawm cov ntsia hlau ntsia hlau lossis cov ntxhiab tsw muaj zog. Nws tau pom nyob rau hauv cov kua thiab tuaj yeem raug cais tawm los ntawm cov roj soya (Glycine max), pineapple thiab ob peb lwm cov nroj tsuag. Nws kuj tshwm sim ib txwm muaj nyob rau hauv haus luam yeeb thiab xiav cheese raws li ib tug metabolic khoom ntawm Penicillium pwm loj hlob. Nws yog ib qho hnyav ntawm qhov tseem ceeb me me uas tuaj yeem siv los ntxuav lossis degreasing thiab ua ib feem ntawm cov khoom tsim los yog sib tov. Nws tseem yog ib qho kev lag luam nruab nrab thiab tuaj yeem siv rau xim additives thiab txheej additives. Nws yog qee zaum siv me me ua cov khoom noj khoom haus ntxiv. |
| Cov ntaub ntawv | 1. https://en.wikipedia.org/wiki/2-Pentanone 2. http://www.hmdb.ca/metabolites/HMDB34235 3. https://cameochemicals.noaa.gov/chemical/1130 4. https://pubchem.ncbi.nlm.nih.gov/compound/2-Pentanone#section=Siv 5. http://nj.gov/health/eoh/rtkweb/documents/fs/1292.pdf |
| Kev piav qhia | MPK yog cov xim tsis muaj xim rau cov kua dej dawb nrog cov ntxhiab tsw zoo li acetone thiab ether. Cov ntxhiab tsw qab yog 7.7 ppm. Molecular hnyav=86.15; Specificgravity (H2O:1) 5 0.81; Boiling point=102 degree ; Txias / melting point {{10}} degree ; Vapor siab 5 27 mmHg ntawm 20 degree ; Flash point=7 degree (cc); Autoignition kub 5452 degree. Kev txwv tsis pub tawg: LEL 5 1.5%; UEL 5 8.2%.Hazard Identification (raws li NFPA-704 M RatingSystem): Health 2, Flammability 3, Reactivity 0. Me ntsis soluble hauv dej; solubility 5 6% |
| Chemical Properties | MPK yog cov xim tsis muaj xim rau cov kua dej dawb nrog cov ntxhiab tsw zoo li acetone thiab ether. |
| Chemical Properties | 2-Pentanone muaj ethereal, fruity tsw. |
| Lub cev muaj zog | Ntshiab, tsis muaj xim, ua kua heev nrog cov yam ntxwv, pungent tsw. Ib qho ntxhiab tsw qhov pib concentration ntawm 20 ppbvtau txiav txim siab los ntawm txoj kev siv lub hnab ntim quav (Nagata thiab Takeuchi, 1990). Cometto-Mu?iz et al. (2000) qhia qhov ntswg pungency qhov pib qhov siab ntawm kwv yees li 500 txog 3,200 ppm. |
| Qhov tshwm sim | Tshaj tawm pom nyob rau hauv ntoo dab; kuj muaj nyob rau hauv Ananas sativus; ob peb hom txiv tsawb, txiv hmab txiv ntoo thiab qee cov txiv hmab txiv ntoo citrus. Tsis tas li ntawd tau tshaj tawm pom nyob rau hauv ntau tshaj 120 cov khoom noj thiab dej haus xws li txiv apples tshiab, papaya, tshiab blackberry, vinegar, qhob cij, lwm hom qhob cij, Swiss cheese, Camembert cheese, cheddar cheese, lwm yam cheeses, dawb wine, unprocessed mov, dej yam, apricot. , kua txiv kab ntxwv, guava, grapes, pear, pineapple, strawberry, asparagus, zaub ntug hauv paus, celery, peas, lws suav, butter, yogurt, cream, mis nyuj hmoov, buttermilk, boiled qe, caviar, nyoos ntses, siav nqaij qaib thiab nqaij nyuj, nqaij npuas rog , nqaij npuas siab, hop roj, npias, cognac, rum, bourbon whiskey, dawb wine, cocoa, kas fes, roasted filberts thiab txiv laum huab xeeb, txiv laum huab xeeb, qos yaj ywm chips, oat flakes, zib ntab, taum pauv, mob siab rau txiv hmab txiv ntoo, plum, taum, nceb, Starfruit, trassi, mango, ntiaj teb artichoke, mov, soursop, malt, loquat, endive, cws, crab, yaj lub lettuce thiab cape gooseberry. |
| Siv | 2-Pentanone yog siv los ua cov kuab tshuaj rau lacquers thiab txheej txheej. Nws ua raws li tus neeg sawv cev flavoring. Nws kuj yog siv los ua ib qho hnyav rau kev tu thiab degreasing lub hom phiaj. Tsis tas li ntawd, nws ua hauj lwm ua ib qho nruab nrab, xim additive thiab coating additive. |
| Txhais | ChEBI: 2-Pentanone yog pentanone nqa ib qho oxo hloov ntawm txoj hauj lwm 2. Nws muaj lub luag hauj lwm raws li cov nroj tsuag metabolite. Nws yog methyl ketone thiab pentanone. |
| Daim ntawv thov | 2-Pentanone yog ib qho tshuaj tsw qab uas yog cov kua ntshiab, tsis muaj xim, nrog paj tsw tsw. Nws yog miscible hauv cawv thiab ether thiab soluble hauv dej. nws yog tau los ntawm chemical synthesis. Nws tseem hu ua methyl propyl ketone. Methyl propyl ketone (MPK) yog siv los ua cov kuab tshuaj, hloov rau diethyl ketone, hauv cov organic synthesis. |
| Txoj kev tsim khoom | MPK tuaj yeem tsim los ntawm oxidation ntawm 2-pentanol, los ntawm ethylene thiab methyl acetoacetate, los yog distillation ntawm kev sib xyaw ntawm calcium acetate thiab calcium butyrate. Kev lag luam purity tuaj yeem yog 90% MPK; Txawm li cas los xij, qee cov khoom lag luam yog sib xyaw ntawm MPK thiab diethylketone nrog me me ntawm sec-amyl acetate. |
| Kev npaj | 2-Pentanone tau npaj los ntawm qhuav distillation ntawm cov khoom sib xyaw uas muaj calcium acetate thiab calcium butyrate; kuj los ntawm oxidation ntawm sodium los yog ammonium n-caproate nrog H2O2. |
| Aroma pib qhov tseem ceeb | Nruas: 70 pb |
| Saj pib qhov tseem ceeb | Cov yam ntxwv saj ntawm 25 ppm: qab zib, fruity thiab txiv tsawb zoo li nrog fermented nuance. |
| Kev piav qhia dav dav | Cov kua ntshiab tsis muaj xim nrog cov ntxhiab tsw ntawm cov ntsia thawv polish. Flash point 45 degree F. Tsawg ntom dua dej thiab soluble hauv dej. Yog li ntawd floats ntawm dej. Qhov ceev 0.809 g / cm3. Vapors hnyav dua li huab cua. |
| Cua & Dej Reactions | Cov nplaim taws heev. Soluble hauv dej. |
| Reactivity Profile | 2-Pentanone tsis sib haum nrog cov tshuaj oxidizing, cov hauv paus muaj zog thiab cov tshuaj txo qis. Reacts hnyav nrog bromine trifluoride. |
| Hazard | Flammable, phom sij txaus ntshai, explosivelimits nyob rau hauv huab cua 1.6-8.2%. Qhov muag irritant thiab cuam tshuam rau pul-monary muaj nuj nqi. |
| Health Hazard | Kev nthuav tawm tuaj yeem ua rau khaus ntawm qhov muag, qhov ntswg thiab caj pas. |
| Health Hazard | Kev nqus pa ntawm MPK tuaj yeem ua rau narcosis thiab khaus ntawm lub qhov muag thiab ua pa. Cov tshuaj lom neeg mob ntev los ntawm qhov sib xyaw no tsis paub. Kev raug rau 1500 ppm ua rau neeg mob hnyav heev thiab 2000 ppm rau 4 teev ua rau nas tuag. Hauv guinea npua 5000 ppm ua rau coma. |
| Hluav Taws Xob | Flammable kua; flash point (kaw khob) 7 degree (45 degree F); vapor ceev 3 (cua=1); vapor siab 27 torr ntawm 20 degree (68 degree F); lub vapor tuaj yeem taug kev deb mus rau qhov chaw ignition thiab flash rov qab; autoignition tempera ture 452 degree (846 degree F); hluav taws-extinguishing neeg sawv cev: "cawv" ua npuas ncauj; Cov tshuaj tsuag dej tuaj yeem siv los nqus cov cua sov thiab yaug qhov nchuav kom deb ntawm qhov raug. MPK tsim cov khoom tawg nrog huab cua hauv thaj tsam 1.5-8.2% los ntawm huab cua. Cua sov nrog oxidizers tuaj yeem ua rau tawg (US EPA 1988). |
| Biochem/physiol Actions | Saj ntawm 20 ppm |
| Kev ruaj ntseg Profile | Muaj tshuaj lom los ntawm kev noj tshuaj thiab txoj hauv kev intraperitoneal. Mob me me los ntawm kev sib cuag ntawm daim tawv nqaij thiab nqus tau pa. Tib neeg cov kev cuam tshuam los ntawm kev nqus pa: mob taub hau, xeev siab, khaus ntawm cov hlab ntsws, qhov muag, thiab tawv nqaij. Ib daim tawv nqaij irritant. Cov ntaub ntawv hloov pauv tau tshaj tawm. Hghly flammable kua. Qhov phom sij txaus ntshai heev thaum raug tshav kub lossis nplaim taws; tuaj yeem hnov mob nrog oxidizing cov ntaub ntawv. Kev puas tsuaj tshwm sim nyob rau hauv daim ntawv ntawm vapor thaum raug tshav kub los yog nplaim taws. Txhawm rau tiv thaiv fue, siv cawv ua npuas ncauj. Mxtures nrog bromine trifluoride tuaj yeem tawg thaum evaporation. Thaum rhuab mus rau decomposition nws emissions pa luam yeeb thiab irritating fumes. Saib KETONES thiab |
| Ntxim yuav nphav raug | MPK yog siv los ua cov kuab tshuaj; raws li cov khoom siv hluavtaws flavoring tus neeg sawv cev; thiab nyob rau hauv cov organic synthesis; raws li ib qho hnyav hloov rau diethyl ketone thiab acetone. |
| Kev pab thawj zaug | Yog hais tias cov tshuaj no nkag mus rau hauv lub qhov muag, tshem tawm ib qho kev sib tiv tauj 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 ua tsis taus pa 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. Muab dej ntau thiab ua kom ntuav. Tsis txhob ua rau tus neeg tsis nco qab ntuav. |
| Environmental txoj hmoo | Tshuaj / Lub cev.Atkinson et al. (2000) tau kawm cov roj-theem cov tshuaj tiv thaiv ntawm 2-pentanone nrog OH radicals hauv huab cua huv huv ntawm 25 degree thiab 740 mmHg. Tus txheeb ze tus nqi tas li ntawm 4.56 x 10-12cm3/molecule·sec raug xam rau qhov tshuaj tiv thaiv no. Cov khoom siv tshuaj tiv thaiv tau txheeb xyuas los ntawm GC, FTIR, thiab atmospheric siab ionization tandem huab hwm coj spectroscopy yog (nrog rau cov molar yields) yog: formaldehyde, 1.03; acetaldehyde, 0.51; propanal, 0.19; 2, 4-pentanedione, 0.12; thiab molecular hnyav 147 organic nitrates. Ntawm qhov muaj txiaj ntsig zoo ntawm 1. Lub adsorbability ntawm GAC yog 139 mg / g carbon (Guisti li al., 1974). Yuav tsis hydrolyze hauv dej vim 3-pentanone tsis muaj ib pab pawg hydrolyzable. |
| khaws cia | Xim Code-Red: Flammability Hazard: Khaws rau hauv qhov chaw cia cov kua hluav taws xob los yog lub txee tso cai kom deb ntawm qhov hluav taws kub thiab cov khoom siv corrosive thiab reactive.Ua ntej ua hauj lwm nrog cov tshuaj no koj yuav tsum tau kawm txog nws txoj kev tuav thiab khaws cia. Ua ntej nkag mus rau hauv qhov chaw kaw qhov chaw uas cov tshuaj no tuaj yeem tshwm sim, xyuas kom paub tseeb tias tsis muaj cov khoom tawg. Methylpropyl ketone yuav tsum tau khaws cia kom tsis txhob muaj kev sib cuag nrog cov oxidizers txij thaum muaj kev kub ntxhov tshwm sim. Khaws rau hauv cov thawv kaw nruj nreem nyob rau hauv qhov chaw txias, qhov cua zoo kom deb ntawm tshav kub, taws, lossis nplaim taws. Qhov chaw ntawm qhov hluav taws kub, xws li haus luam yeeb thiab qhib nplaim taws, raug txwv qhov twg methyl propyl ketone raug tuav, siv, lossis khaws cia. Cov thawv hlau siv hauv kev hloov pauv ntawm 5 nkas loos lossis ntau dua ntawm methyl propyl ketone yuav tsum tau muab tso ua ke thiab sib koom ua ke. Drums yuav tsum tau nruab nrog lub qhov rooj kaw, lub tshuab nqus tsev siab, thiab cov nplaim taws.Siv cov cuab yeej thiab cov khoom siv tsis muaj pa taws, tshwj xeeb tshaj yog thaum qhib thiab kaw cov ntim ntawm methyl propyl ketone.Txawm qhov twg methyl propyl ketone siv, tuav, tsim, lossis khaws cia, siv tawg- pov thawj hluav taws xob equipments thiab fittings. |
| Kev xa khoom | UN1249 Methyl propyl ketone, Hazard Class: 3; Cov ntawv lo: 3-Flammable kua. |
| Txoj Kev Purification | Purify lub ketone los ntawm refluxing nws nrog me ntsis KMnO4, qhuav nws nrog CaSO4 thiab distil nws. Nws tuaj yeem hloov mus rau nws qhov sib xyaw bisulfite ntxiv los ntawm kev co nrog ntau tshaj saturated aqueous NaHSO3 ntawm chav tsev kub, txias rau 0o, lim, ntxuav nrog diethyl ether thiab ziab. Steam distillation ntawm lub adduct muab ib tug distillate los ntawm uas lub ketone tau zoo, ntxuav nrog aqueous NaHCO3 thiab dej distilled, qhuav (K2CO3) thiab fractionally distilled. [Waring & Garik J Am Chem Soc 78 5198 1956, Beilstein 1 IV 3271.] |
| Kev tsis sib haum xeeb | Ketones 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. Khaws kom deb ntawm cov ntaub ntawv alkaline, muaj zog hauv paus, muaj zog acids, oxoacids, epoxides, nitrated amines, azo, diazo, azido tebchaw, carbamates, organic cyanates. Tawm tsam qee yam yas |
| Pov tseg pov tseg | Dissolve los yog sib tov cov khoom nrog ib tug combustible solvent thiab hlawv nyob rau hauv ib tug chemical incinerator nruab nrog ib tug afterburner thiab scrubber. Tag nrho tsoom fwv teb chaws, xeev, thiab cheeb tsam ib puag ncig cov cai yuav tsum tau ua raws li. |
| 2-Pentanone Preparation Products Thiab Raw Materials |
| Cov khoom nyoos | Hexanoic acid-->Calcium acetate-->Ethyl butyrylacetate-->CALCIUM BUTYRATE-->2-Pentanol |
| Cov khoom npaj | 5-(2-ETHOXYPHENYL)-1-METHYL-3-N-PROPYL-1,6-DIHYDRO-7H-PYRAZOLO[4,3-D]-7-PYRIMIDINONE-->1-METHYL-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID ETHYL ESTER-->1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID-->1-Methyl-3-propyl-1H-pyrazole-5-carbohydrazide ,97%-->1-Methyl-5-propyl-1H-pyrazole-3-carboxylic acid amide ,97%-->1-Methyl-3-propyl-1H-pyrazole-5-carboxamide ,97%-->1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLIC ACID-->1-METHYL-3-PROPYLPYRAZOLE-5-CARBOXYLIC ACID-->4-methyldocosane-->ETHYL 1-METHYL-5-PROPYL-1H-PYRAZOLE-3-CARBOXYLATE-->ETHYL 2,4-DIOXOHEPTANOATE-->4-methylpentadecane-->Ketanserin-->2-Pentanonecyanohydrin (4111-09-5)-->5-BROMO-PENTAN-2-ONE-->UNDECANE,4-METHYL--->4-METHYLHEXADECANE-->4-METHYLTETRADECANE-->5-KETOHEXANENITRILE-->(NE)-N-pentan-2-ylidenehydroxylamine |
Cim npe nrov: 2-pentanone, Tuam Tshoj 2-pentanone manufacturers, lwm tus neeg, Hoobkas
Tug: Pyridine
Tom ntej: Cuminaldehyde
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