Agent Name

Orcinol

CAS Number

504-15-4

Formula

C7-H8-O2

Major Category

Other Classes

Synonyms

1,3-Dihydroxy-5-methylbenzene; 3,5-Dihydroxytoluene; 3-Hydroxy-5-methylphenol; 5-Methyl-1,3-benzenediol; 5-Methylresorcin; 5-Methylresorcinol; Orcin; Orcinol, 5-methylresorcinol; 1,3-Benzenediol, 5-methyl-; Resorcinol, 5-methyl-; [ChemIDplus]

Category

Phenols

Description

Solid; [Sigma-Aldrich MSDS]

Sources/Uses

Found in many lichen species; Used as a reagent for pentoses, lignin, beet sugar, saccharoses, arabinose, and diastase; [Merck Index]

Comments

Causes convulsions and coma in subcutaneous lethal-dose studies of guinea pigs and rats; [RTECS] A skin and strong eye irritant; Harmful by ingestion; Prolonged or repeated exposure may cause eye injury; [Sigma-Aldrich MSDS] See "2-Methyl-1,4-hydroquinone," "1,3-Benzenediol, 2-methyl-," "Resorcinol," and "Cresol, all isomers."

Exposure Assessment
Vapor Pressure

0.0028 mm Hg

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Other Information

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