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Methyl Valeraldehyde

Methyl Valeraldehyde

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Methyl valeraldehyde Cov ntaub ntawv yooj yim
Khoom npe: Methyl valeraldehyde hmoov
Synonyms: a-Methylvaleraldehyde 2-Methylpentanal;2-Formylpentane;2-Methyl-1-pentanal;2-Methylpental;2-METHYLPENTANAL;2-METHYLPENTALDEHYDE ;2-METHYL-N-VALERALDEHYDE;2-METHYLVALERALDEHYDE
CAS: 123-15-9
MF: C6H12O
MW: 100.16
EINECS: 204-605-2
Khoom Categories: Pharmaceutical Intermediates
Mol File: 123-15-9.mol
Methyl valeraldehyde Structure
 
Methyl valeraldehyde Chemical Properties
Melting point -100 degree
Boiling point 119-120 degree (lit.)
ceev 0.808 g/mL ntawm 25 degree (lit.)
vapor ceev 3.45 (vs huab cua)
Refractive Index n20 / D 1.401 (lit.)
FEMA 3413|2-METHYLPENTANAL
Fp 62 degree F
solubility Chloroform, Methanol (me ntsis)
daim ntawv kua ntshiab
xim Colorless mus Yuav luag tsis muaj xim
tsw ntawm 10.00 % hauv dipropylene glycol. ethereal fruity ntsuab
Hom tshuaj tsw qab ethereal
Dej Solubility Soluble hauv dej (4.2g / L ntawm 25 degree).
rhiab heev Huab cua Sensitive
JECFA Number 260
BRN 1739423
LogP 1.79
CAS DataBase Reference 123-15-9(CAS DataBase Reference)
NIST Chemistry Reference Pentanal, 2-methyl-(123-15-9)
EPA Tshuaj Registry System Pentanal, 2-methyl- (123-15-9)
 
Cov ntaub ntawv kev nyab xeeb
Hazard Codes F, Xis
Risk Statements 11-36/37/38-52/53-R52/53-R36/37/38-R11
Cov lus hais txog kev nyab xeeb 16-26-36-S36-S26-S16
RIDADR UN 2367 3/PG 2
WGK Germany 1
RTECS RZ6905000
F 9-23
Autoignition Kub 390 degree F
TSCA Yog lawm
HazardClass 3
PackingGroup II
HS Code 29121900
Cov Ntaub Ntawv Muaj Xwm Ceev 123-15-9( Cov ntaub ntawv muaj phom sij)
Toxicity mouse,LD50,oral,>3200mg / kg (3200mg / kg), Kodak Tuam Txhab Tshaj Tawm. Vol. Peb 21, 1971
 
MSDS Cov Ntaub Ntawv
Tus kws kho mob Lus
2-Methylvaleraldehyde Lus Askiv
SigmaAldrich Lus Askiv
ALFA Lus Askiv
 
Methyl valeraldehyde Siv thiab Synthesis
Kev piav qhia 2-Methylpentanal muaj ethereal, fruity tsw. Qhov no tuaj yeem npaj los ntawm 2-methylpentanol los ntawm catalytic oxidation.
Chemical Properties Cov kua dej tsis muaj xim. Soluble hauv dej 0.42% los ntawm wt, flash p68F (20C) (OC).
Qhov tshwm sim Tshaj tawm pom nyob rau hauv dos, leek, qej, mis nyuj, roasted peanuts, nplej mov ci, nqaij nyuj siav, kho nqaij npuas, kas fes, npias, tshuaj yej, trassi, mov thiab mango.
Siv 2-Methylvaleraldehyde yog siv los ua ib qho nruab nrab los tsim cov organic compounds (pharmaceuticals, odorants thiab flavorings)
Siv Intermediates rau dyes, resins, pharmaceuticals.
Txhais ChEBI: 2-Methylpentanal yog ib qho 2-methyl-branched fatty aldehyde.
Kev npaj Los ntawm 2-methylpentanol los ntawm catalytic oxidation.
Aroma pib qhov tseem ceeb Kev Ntsuas: 1.6-3.2 ppb
Saj pib qhov tseem ceeb Cov yam ntxwv saj ntawm 5.0 ppm: vegetative thiab ntsuab nrog fruity, zoo li txiv hmab txiv ntoo nuance.
Synthesis Reference (cov) Synthesis, p. Peb 717, 1985DOI: 10.1055/s-1985-31327
Kev piav qhia dav dav Cov kua tsis muaj xim. Tsawg dua dej. Flash point ze 50 degree F. Siv los ua cov roj hmab thiab cov khoom siv dag zog.
Cua & Dej Reactions Cov nplaim taws heev. Me ntsis soluble hauv dej.
Reactivity Profile Methyl valeraldehyde yog aldehyde. Aldehydes feem ntau koom nrog hauv tus kheej-condensation lossis polymerization cov tshuaj tiv thaiv. Cov tshuaj tiv thaiv no yog exothermic; Lawv feem ntau catalyzed los ntawm acid. Aldehydes tau nkag siab oxidized los muab carboxylic acids. Cov nplaim hluav taws kub thiab / lossis cov pa phem yog tsim los ntawm kev sib xyaw ntawm aldehydes nrog azo, diazo tebchaw, dithiocarbamates, nitrides, thiab muaj zog txo cov neeg ua haujlwm. Aldehydes tuaj yeem cuam tshuam nrog huab cua los muab thawj peroxo acids, thiab thaum kawg carboxylic acids. Cov tshuaj autoxidation no tau qhib los ntawm lub teeb, catalyzed los ntawm cov ntsev ntawm cov hlau hloov pauv, thiab yog autocatalytic (catalyzed los ntawm cov khoom ntawm cov tshuaj tiv thaiv). Qhov sib ntxiv ntawm stabilizers (antioxidants) rau kev xa khoom ntawm aldehydes retards autoxidation.
Hazard Flammable, phom sij txaus ntshai. Muaj zog irri-tant rau daim tawv nqaij thiab mucous daim nyias nyias.
Health Hazard Tej zaum yuav ua rau muaj tshuaj lom yog tias nqus tau los ntawm daim tawv nqaij. Kev nqus tau los yog sib cuag nrog cov khoom yuav ua rau khaus lossis hlawv tawv nqaij thiab qhov muag. Hluav taws yuav ua rau khaus, corrosive thiab/los yog cov pa phem. Vapors tuaj yeem ua rau kiv taub hau lossis ua tsis taus pa. Cov dej ntws los ntawm kev tswj hluav taws kub lossis dej dilution tuaj yeem ua rau muaj kuab paug.
Hluav Taws Xob HIGHLY FLAMMABLE: Yuav tau yooj yim ignited los ntawm tshav kub, sparks los yog nplaim taws. Cov vapors tuaj yeem tsim cov khoom tawg nrog cua. Vapors tuaj yeem mus rau qhov chaw ntawm qhov hluav taws kub thiab rov qab flash. Feem ntau cov vapors hnyav dua li huab cua. Lawv yuav kis tau mus rau hauv av thiab sau rau hauv qhov chaw qis lossis qhov chaw kaw (sewers, hauv qab daus, tanks). Vapor explosion txaus ntshai nyob hauv tsev, sab nraum zoov lossis hauv cov kav dej. Cov dej ntws mus rau hauv cov kav dej yuav ua rau muaj hluav taws kub lossis tawg. Cov thawv ntim khoom tuaj yeem tawg thaum cua sov. Cov kua dej ntau yog sib dua li dej.
Flammability thiab Explosibility Cov nplaim taws heev
 
Methyl valeraldehyde Kev Npaj Cov Khoom Siv Thiab Cov Khoom Raw
Cov khoom nyoos Hydrogen-->Aluminium-nickel-->2-METHYL-1-PENTANOL
Cov khoom npaj Meprobamate-->2-Methyl-2-propyl-1,3-propanediol-->METHYL 2-METHYLPENTANOATE-->trans-2-Methyl-2-pentenoic acid-->Pentanal, 2-[(dimethylamino)methyl] -2-methyl-

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