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Merck
CN

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

Key Documents

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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

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
02124BH
04406MI
00427ET
S00688

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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
Abraham Nyska et al.
Archives of toxicology, 77(4), 233-242 (2003-04-17)
Methacrylonitrile is an unsaturated aliphatic nitrile. It is widely used in the preparation of homopolymers and copolymers, elastomers, and plastics, and as a chemical intermediate in the preparation of acids, amides, amines, esters, and other nitriles. Methacrylonitrile was nominated for
J D George et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 34(2), 249-259 (1996-12-01)
Timed-pregnant Sprague-Dawley (CD) outbred rats and New Zealand White rabbits were dosed by gavage with methacrylonitrile (MACR) in distilled water during major organogenesis. Rats were dosed on Gestational Days (GD) 6 through 15 (0, 5, 25, or 50 mg MACR/kg/day)
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
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
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