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Merck
CN

195413

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
EC Number:
204-817-5
UNSPSC Code:
12162002
PubChem Substance ID:
24851691
Beilstein/REAXYS Number:
773708
MDL number:
MFCD00001872

Key Documents

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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.)

InChI key

GYCMBHHDWRMZGG-UHFFFAOYSA-N

InChI

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

SMILES string

CC(=C)C#N

vapor pressure

64 mmHg ( 20 °C)

assay

99%

contains

50 ppm monomethyl ether hydroquinone as inhibitor

signalword

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

3 - Flammable liquids

wgk

WGK 2

flash_point_f

53.6 °F - closed cup

flash_point_c

12 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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
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
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 et al.
The Journal of pharmacology and experimental therapeutics, 289(2), 1054-1059 (1999-04-24)
Methacrylonitrile (MAN) is a widely used aliphatic nitrile and is structurally similar to the known rat carcinogen and suspected human carcinogen acrylonitrile (AN). There is evidence that AN is metabolized via the cytochrome P-450 (CYP) 2E1. Recently, we identified two
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