Agent Name

Palmitic acid

CAS Number

57-10-3

Formula

C16-H32-O2

Major Category

Other Classes

Synonyms

1-Pentadecanecarboxylic acid; C16 fatty acid; Cetylic acid; Emersol 140; Emersol 143; Hexadecanoic acid; Hexadecylic acid; Hydrofol; Hystrene 8016; Hystrene 9016; Industrene 4516; Palmitate; Palmitic acid (natural); Palmitic acid 95%; Pentadecanecarboxylic acid; n-Hexadecanoic acid; n-Hexadecoic acid; [ChemIDplus]

Category

Organic Acids

Description

Colorless or white solid; [ICSC] Off-white solid; [MSDSonline]

Sources/Uses

Found as glycerol ester in oils and fats; Produced from palm oil, Japan wax, or Chinese vegetable tallow; [Merck Index] Very common naturally occurring fatty acid; Used to make metallic palmitates and esters; in soaps and cosmetics; in lube oils; for waterproofing; in food-grade additives; as a non-drying oil (surface coating); [HSDB]

Comments

No listed effects of short-term or long-term exposure; "Health effects of exposure to the substance have not been investigated." [ICSC] Safe when used as a flavoring agent in food; [JECFA] When given intravenously at lethal doses, causes convulsions; Causes mild irritation when administered to human skin; [RTECS] May cause irritation; [MSDSonline]

Exposure Assessment
Vapor Pressure

3.8E-7 mm Hg

Odor Threshold Low

10 ppm

Explanatory Notes

Odor threshold (detection) = 10 ppm; [HSDB]

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: