Ethyl 3-methyl-2-butenoate

Modify Date: 2024-01-03 06:56:46

Ethyl 3-methyl-2-butenoate Structure
Ethyl 3-methyl-2-butenoate structure
Common Name Ethyl 3-methyl-2-butenoate
CAS Number 638-10-8 Molecular Weight 128.169
Density 0.9±0.1 g/cm3 Boiling Point 153.5±0.0 °C at 760 mmHg
Molecular Formula C7H12O2 Melting Point N/A
MSDS Chinese USA Flash Point 33.9±0.0 °C
Symbol GHS02
GHS02
Signal Word Warning

 Names

Name Ethyl 3,3-dimethylacrylate
Synonym More Synonyms

 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.

 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
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

 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%

 Articles7

More 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)

 Synonyms

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