Ethyl 3-methyl-2-butenoate

Names

[ CAS No. ]:
638-10-8

[ Name ]:
Ethyl 3-methyl-2-butenoate

[Synonym ]:
2-Butenoic acid, 3-methyl-, ethyl ester
Ethyl 3-methyl-2-butenoate
MFCD00009187
ethyl 3-methylbut-2-enoate
3,3-dimethylacrylic acid ethyl ester
EINECS 211-319-1

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
153.5±0.0 °C at 760 mmHg

[ Molecular Formula ]:
C₇H₁₂O₂

[ Molecular Weight ]:
128.169

[ Flash Point ]:
33.9±0.0 °C

[ Exact Mass ]:
128.083725

[ PSA ]:
26.30000

[ LogP ]:
2.40

[ Vapour Pressure ]:
3.3±0.2 mmHg at 25°C

[ Index of Refraction ]:
1.426

[ Stability ]:
Stable. Flammable. Incompatible with acids, bases, oxidizing agents, reducing agents.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GQ5750000

CHEMICAL NAME :: Crotonic acid, 3-methyl-, ethyl ester

CAS REGISTRY NUMBER :: 638-10-8

BEILSTEIN REFERENCE NO. :: 1744854

LAST UPDATED :: 199701

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H12-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 11600 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(4),52,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2450 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(4),52,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 5 gm/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(4),52,1985 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 195 mg/m3/17W-I

TOXIC EFFECTS :: Brain and Coverings - other degenerative changes Liver - other changes Endocrine - hypoglycemia

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(4),52,1985

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 195 mg/m3/17W-I

TOXIC EFFECTS :: Brain and Coverings - other degenerative changes Liver - other changes Endocrine - hypoglycemia

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(4),52,1985

Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226

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

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R10

[ Safety Phrases ]:
S16-S29-S33

[ RIDADR ]:
UN 3272 3/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
GQ5750000

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

[ HS Code ]:
2916190090

Precursor & DownStream

Precursor

DownStream

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%

Articles

[Determination of dimethylacrylic acid and its ethyl ester in the air of a work area].

Gig. Sanit. (1) , 51-2, (1984)

Potent odorants of the roasted powder and brew of Arabica coffee. Blank I, et al.

Z. Lebensm. Unters. Forsch. 195(3) , 239-45, (1992)

A facile route to a versatile synthon for preparation of cis-pyrethroids. Babler JH and Invergo BJ.

Tetrahedron Lett. 22(29) , 2743-46, (1981)