CAS 638-10-8|Ethyl 3-methyl-2-butenoate

Introduction：Basic information about CAS 638-10-8|Ethyl 3-methyl-2-butenoate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Articles7
7. Synonyms

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	/
MSDS	ChineseUSA	Flash Point	33.9±0.0 °C
Symbol	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
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

[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

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