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
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
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)