Agent Name

Ergosterol

CAS Number

57-87-4

Formula

C28-H44-O

Major Category

Biological Agents

Synonyms

24-Methylcholesta-5,7,22-trien-3beta-ol; 24R-Methylcholesta-5,7,2E-trien-3beta-ol; 24alpha-Methyl-22E-dehydrocholesterol; Ergosta-5,7,22-trien-3beta-ol; Ergosterin; Provitamin D2; Ergosta-5,7,22-trien-3-ol, (3beta,22E)-; [ChemIDplus]

Category

Vitamins and Derivatives

Description

Solid; Turns yellow on exposure to light and air; [Merck Index] Hygroscopic solid; [Sigma-Aldrich MSDS]

Sources/Uses

Most important provitamin D, usually obtained from yeast; Used as a vitamin; [Merck Index] Used as a vitamin and to make vitamin D2 and cortisone; [HSDB]

Comments

May cause irritation; [Sigma-Aldrich MSDS] See "Vitamin D."

Exposure Assessment
Vapor Pressure

1.04E-9 mm Hg

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