Methyl (2E)-2-butenoate
Names
[ CAS No. ]:
623-43-8
[ Name ]:
Methyl (2E)-2-butenoate
[Synonym ]:
Methyl-(2E)-but-2-enoat
methyl-trans-3-triethylsilylacrylate
methyl trans-crotonate
Crotonic acid, methyl ester
EINECS 210-793-7
Methyl (2E)-but-2-enoate
Methyl Crotonate
methyl-trans-4-oxo-2-pentoate
E-1-triethylsilylpropensaeuremethylester
2-Butenoic acid, methyl ester
crotonic acid methyl ester
2-Butenoic acid, methyl ester, (2E)-
Methyl (2E)-2-butenoate
Crotonic acid, methyl ester (8CI)
MFCD00009287
3-methyl-acrylic acid,methyl ester
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
121.0±0.0 °C at 760 mmHg
[ Molecular Formula ]:
C5H8O2
[ Molecular Weight ]:
100.116
[ Flash Point ]:
4.4±0.0 °C
[ Exact Mass ]:
100.052429
[ PSA ]:
26.30000
[ LogP ]:
1.32
[ Vapour Pressure ]:
14.9±0.2 mmHg at 25°C
[ Index of Refraction ]:
1.414
[ Water Solubility ]:
IMMISCIBLE
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GQ5710000
- CHEMICAL NAME :
- Crotonic acid, methyl ester, (E)-
- CAS REGISTRY NUMBER :
- 623-43-8
- BEILSTEIN REFERENCE NO. :
- 1720292
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 7
- MOLECULAR FORMULA :
- C5-H8-O2
- MOLECULAR WEIGHT :
- 100.13
- WISWESSER LINE NOTATION :
- 2U1VO1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979
- TYPE OF TEST :
- LC - Lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >19000 ppm/6H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1600 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >5 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 10 mL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,865,1979
Safety Information
[ Symbol ]:
GHS02, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H315-H319-H335
[ Precautionary Statements ]:
P210-P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
F:Flammable;Xi:Irritant;
[ Risk Phrases ]:
R11;R36/37/38
[ Safety Phrases ]:
S16-S26-S36-S33-S9
[ RIDADR ]:
UN 3272 3/PG 2
[ WGK Germany ]:
2
[ RTECS ]:
GQ5710000
[ Packaging Group ]:
II
[ Hazard Class ]:
3.0
[ HS Code ]:
29161980
Synthetic Route
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
J. Org. Chem. 67(17) , 5969-76, (2002)
The phytotoxins solanapyrones D (1) and E (2) have been synthesized from the decalone prepared by the domino Michael reaction of the kinetic enolate of optically pure acetylcyclohexene with methyl cro...
The vinylogous aldol reaction of unsaturated esters and enolizable aldehydes using the novel Lewis acid aluminum tris(2,6-di-2-naphthylphenoxide).Org. Lett. 14(11) , 2678-81, (2012)
The synthesis of the novel Lewis acid, aluminum tris(2,6-di-2-naphthylphenoxide) (ATNP), and its use in the vinylogous aldol reaction between methyl crotonate and enolizable aldehydes are described. A...
Solvent engineering: an effective tool to direct chemoselectivity in a lipase-catalyzed Michael addition. Priego J, et al.Tetrahedron 65(2) , 536-539, (2009)