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195413

Sigma-Aldrich

Methacrylonitrile

99%

Synonym(s):

1-Methylethenyl cyanide, 2-Cyano-1-propene, 2-Methyl-2-propenenitrile, 2-Methylpropenenitrile, Isobutenenitrile, Isopropene cyanide, Methacrylnitrile

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About This Item

Linear Formula:
CH2=C(CH3)CN
CAS Number:
126-98-7
Molecular Weight:
67.09
Beilstein:
773708
EC Number:
204-817-5
MDL number:
MFCD00001872
UNSPSC Code:
12162002
PubChem Substance ID:
24851691

vapor pressure

64 mmHg ( 20 °C)

Assay

99%

contains

50 ppm monomethyl ether hydroquinone as inhibitor

refractive index

n20/D 1.400 (lit.)

bp

90-92 °C (lit.)

mp

−35.8 °C (lit.)

density

0.8 g/mL at 25 °C (lit.)

SMILES string

CC(=C)C#N

InChI

1S/C4H5N/c1-4(2)3-5/h1H2,2H3

InChI key

GYCMBHHDWRMZGG-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Flam. Liq. 2 - Skin Sens. 1 - STOT SE 1

Target Organs

Central nervous system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

53.6 °F - closed cup

Flash Point(C)

12 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
02124BH
04406MI
00427ET
S00688

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Cytotoxicity of methacrylonitrile.
V Vasanthakumari et al.
Bulletin of environmental contamination and toxicology, 59(2), 274-278 (1997-08-01)
Mohammed Y H Farooqui et al.
Research communications in molecular pathology and pharmacology, 120-121(1-6), 79-92 (2007-01-01)
This study reports the toxicity and metabolism of methacrylonitrile (MeAN) in normal male Sprague-Dawley rats and those pre-treated with caffeine, alcohol or both. Rats were divided into groups often. One group received an oral dose by gavage of 6 %
B I Ghanayem
Toxicity report series, (47)(47), 1-56 (2002-01-24)
Methacrylonitrile is an aliphatic nitrile used extensively in the preparation of homo- and copolymers, elastomers, and plastics and as a chemical intermediate in the preparation of acids, amides, esters, and other nitriles. This aliphatic nitrile is also used as a
Birgit Grill et al.
Molecules (Basel, Switzerland), 25(11) (2020-06-03)
Nitrile hydratases (NHase) catalyze the hydration of nitriles to the corresponding amides. We report on the heterologous expression of various nitrile hydratases. Some of these enzymes have been investigated by others and us before, but sixteen target proteins represent novel
B I Ghanayem et al.
Drug metabolism and disposition: the biological fate of chemicals, 24(4), 390-394 (1996-04-01)
Methacrylonitrile (MAN) is structurally similar to the known carcinogen acrylonitrile (AN), has similar industrial uses, and is occasionally used as its replacement. In contrast to AN, minimal information is available on the toxicity, carcinogenicity, or metabolism of MAN. Earlier work
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