2-Hydroxypropyl stearate

Modify Date: 2025-08-22 12:38:28

2-Hydroxypropyl stearate Structure
2-Hydroxypropyl stearate structure
 Common Name 2-Hydroxypropyl stearate
CAS Number 1323-39-3 Molecular Weight 342.556
Density 0.9±0.1 g/cm3 Boiling Point 447.7±18.0 °C at 760 mmHg
Molecular Formula C21H44O4 Melting Point 35ºC
MSDS N/A Flash Point 166.7±14.0 °C

 Names

Name Propylene Glycol Monostearate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 447.7±18.0 °C at 760 mmHg
Melting Point 35ºC
Molecular Formula C21H44O4
Molecular Weight 342.556
Flash Point 166.7±14.0 °C
Exact Mass 342.313385
PSA 77.76000
LogP 8.20
Vapour Pressure 0.0±2.5 mmHg at 25°C
Index of Refraction 1.457

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WI4550000
CHEMICAL NAME :
Stearic acid, monoester with 1,2-propanediol
CAS REGISTRY NUMBER :
1323-39-3
LAST UPDATED :
199701
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C21-H42-O3
MOLECULAR WEIGHT :
342.63
WISWESSER LINE NOTATION :
QY1Q / YV17

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
26 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
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: 2(5),101,1983
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** REVIEWS *** TOXICOLOGY REVIEW 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: 2(5),101,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82965 No. of Facilities: 256 (estimated) No. of Industries: 6 No. of Occupations: 16 No. of Employees: 8209 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82965 No. of Facilities: 118 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 13670 (estimated) No. of Female Employees: 9621 (estimated)

 Safety Information

Safety Phrases 24/25
RTECS WI4550000

 Synonyms

Octadecanoic acid, 2-hydroxypropyl ester
2-Hydroxypropyl stearate
Stearic Acid Hydroxypropyl Ester
Octadecanoic Acid Monoester with 1,2-Propanediol
Propylene glycol monostearate
2-hydroxypropyl octadecanoate
Hydroxypropyl Stearate
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