Methacrylic anhydride

Names

[ CAS No. ]:
760-93-0

[ Name ]:
Methacrylic anhydride

[Synonym ]:
2-methylprop-2-enoyl 2-methylprop-2-enoate
EINECS 212-084-8
MFCD00008586

Chemical & Physical Properties

[ Density]:
1.0±0.1 g/cm3

[ Boiling Point ]:
202.3±0.0 °C at 760 mmHg

[ Melting Point ]:
-20°C

[ Molecular Formula ]:
C₈H₁₀O₃

[ Molecular Weight ]:
154.163

[ Flash Point ]:
84.4±0.0 °C

[ Exact Mass ]:
154.062988

[ PSA ]:
43.37000

[ LogP ]:
1.82

[ Vapour Pressure ]:
0.3±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.443

[ Stability ]:
Stable. Flammable. Moisture-sensitive.

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OZ5700000

CHEMICAL NAME :: Methacrylic anhydride

CAS REGISTRY NUMBER :: 760-93-0

BEILSTEIN REFERENCE NO. :: 1761982

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C8-H10-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 450 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,80,1982 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 1 mg/m3;Skin JAN 1993

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302 + H332-H315-H317-H318-H335

[ Precautionary Statements ]:
P261-P280-P301 + P312 + P330-P305 + P351 + P338 + P310

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R20;R37/38;R41

[ Safety Phrases ]:
S26-S39

[ RIDADR ]:
UN 3265 8/PG 2

[ WGK Germany ]:
1

[ RTECS ]:
OZ5700000

[ Packaging Group ]:
II

[ Hazard Class ]:
8

[ HS Code ]:
2916209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

Sodium methacrylate
Ethyl chloroformate
Methacrylic acid
Methacryloyl chloride
Isobutylene
Tempol
Ethanoic anhydride
2-Methyl-2-adamantanol
Potassium methacrylate

DownStream

N-(2-iodophenyl)-2-methylprop-2-enamide
2-Propenoic acid,2-methyl-, 1-methylethyl ester
Methacryloyl chloride
Methacrylic acid, vinyl ester (8CI)
tri-n-butyl silyl methacrylate
Methyl methacrylate
(2,4,6-trichlorophenyl) 2-methylprop-2-enoate
Methacrylic acid
2-Propen-1-one,2-methyl-1-phenyl-

Customs

[ HS Code ]: 2916190090

[ Summary ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

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