Magnesium stearate
Agent Name
Magnesium stearate
CAS Number
557-04-0
Formula
C18-H36-O2.1/2Mg
Major Category
Other Classes
Synonyms
Dibasic magnesium stearate; Magnesium distearate; Magnesium octadecanoate; NP 1500; NS-M (salt); Octadecanoic acid, magnesium salt; Petrac MG 20NF; SM 1000; SM-P; Stearic acid, magnesium salt; Synpro 90; Synpro Magnesium Stearate 90; [ChemIDplus]
Category
Stearates
Description
White solid; [Merck Index] White odorless powder; [MSDSonline]
Sources/Uses
Used in baby dusting powders; as lubricant for plastics; as emulsifying agent in cosmetics; as drier in paints and varnishes; as flatting agent; as anticaking agent in foods and fire extinguishers; and as lubricant in making pharmaceutical tablets; [HSDB]
Comments
No listed effects of short-term or long-term exposure; [ICSC] Mildly toxic by ingestion; [HSDB] May cause irritation; [MSDSonline] See "STEARATES."
Biomedical References
Exposure Assessment
Skin Designation (ACGIH)
Insufficient data
TLV (ACGIH)
10 mg/m3, inhalable particulate matter (3 mg/m3 for respirable particulate matter)
Adverse Effects
ACGIH Carcinogen
Not Classifiable
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: