Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Ethyl 3,3-dimethylacrylate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

638-10-8

638-10-8 structure

638-10-8 structure

Name: Ethyl 3-methyl-2-butenoate
Chemical Name: Ethyl 3,3-dimethylacrylate
CAS Number: 638-10-8
Molecular Formula: C₇H₁₂O₂
Molecular Weight: 128.169
Catalog: Chemical reagent Organic reagent Ester Ethyl ester compound
Create Date: 2018-02-11 08:00:00
Modify Date: 2026-07-13 11:52:54

Name	Ethyl 3,3-dimethylacrylate
Synonyms	Ethylβ,β-dimethylacrylate Crotonic acid, 3-methyl-, ethyl ester ETHYL-SENECIOATE ethylbeta-methylcrotonate 3-METHYLCROTONIC ACID ETHYL ESTER RECHEM AL BI 0210 ethyldimethylacrylate 3,3-DiMethylacrylic acid ethyl 3,3-DIMETHYLACRYLIC ACID ETHYL ESTER Ethyl beta-methylcrotonate Crotonicacid,3-methyl-,ethylester Ethyl3-methylbut-2-enoate Ethyl 3-Methylcrotonate 3-Methyl-but-2-enoicacidethylester Ethyl isopropylideneacetate Senecioicacid,ethylester Thyl3-methylbut-2-enoate Ethyl 3-methylbut-2-enoate ethylisobutenoate ETHYL 3,3-DIMETHYLACRYLATE ethyl 3-methylbut-2-enoate 3,3-dimethylacrylic acid ethyl ester 3-methyl-2-butenoicaciethylester 3,3-Dimethylacrylic Acid Ethyl Ester Ethyl 3,3-Dimethylacrylate Ethyl 3-Methyl-2-butenoate 3-Methylcrotonic Acid Ethyl Ester 3-Methyl-2-butenoic Acid Ethyl Ester Methyl-2-butenoic acid, ethyl ester 2-Butenoic acid, 3-methyl-, ethyl ester Ethyl 3,3-dimethylac ETHYL-BETA,BETA-DIMETHYL ACRYLATE ethylisopropylideneacetate 3-methyl-crotonicaciethylester 2-Butenoicacid,3-methyl-,ethylester ETHYL 3-METHYL-2-BUTENOATE Ethyl dimethylacrylate MFCD00009187 Ethyl3-Methylcrotonate> Ethylβ-methylcrotonate 3-METHYL-2-BUTENOIC ACID ETHYL ESTER EINECS 211-319-1

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.

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

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 9
867-13-0 67-64-1 64-17-5 541-47-9
1458-98-6 201230-82-2 141-52-6 20411-76-1
609-12-1
DownStream 10
5340-78-3 4759-48-2 51318-62-8 51371-55-2
488-10-8 41891-54-7 17945-48-1 18289-63-9
23089-87-4 21421-66-9

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%

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