Isobutyl stearate

Modify Date: 2025-08-21 13:37:00

Isobutyl stearate Structure
Isobutyl stearate structure
 Common Name Isobutyl stearate
CAS Number 646-13-9 Molecular Weight 340.584
Density 0.9±0.1 g/cm3 Boiling Point 381.5±10.0 °C at 760 mmHg
Molecular Formula C22H44O2 Melting Point 20ºC
MSDS USA Flash Point 187.7±8.8 °C

 Names

Name 2-methylpropyl octadecanoate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 381.5±10.0 °C at 760 mmHg
Melting Point 20ºC
Molecular Formula C22H44O2
Molecular Weight 340.584
Flash Point 187.7±8.8 °C
Exact Mass 340.334137
PSA 26.30000
LogP 10.09
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.447
Storage condition Store below +30°C.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WI4220000
CHEMICAL NAME :
Stearic acid, isobutyl ester
CAS REGISTRY NUMBER :
646-13-9
BEILSTEIN REFERENCE NO. :
1792857
LAST UPDATED :
199701
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C22-H44-O2
MOLECULAR WEIGHT :
340.66

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued. Volume(issue)/page/year: 4(5),107,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5656 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 14 No. of Employees: 8524 (estimated) No. of Female Employees: 1324 (estimated)

 Safety Information

HS Code 2915709000

 Customs

HS Code 2915709000
Summary 2915709000. palmitic acid and its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

Octadecanoic acid, 2-methylpropyl ester
Octadecanoic acid,2-methylpropyl ester
stearic acid isobutyl ester
EINECS 211-466-1
Stearinsaeure-isobutylester
Isobutyl stearate
Stearic acid,2-methylpropyl ester
Isobutylstearat
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