Agent Name

1,8-Naphthalic anhydride

CAS Number

81-84-5

Formula

C12-H6-O3

Major Category

Plastics & Rubber

Synonyms

1,8-Naphthalenedicarboxylic acid anhydride; 1,8-Naphthalic acid anhydride; 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione (9CI); Naphthalene-1,8-dicarboxylic anhydride; Naphthalic acid anhydride; Naphthalic anhydride; Pakarli; Protect; Protect (agrochemical); [ChemIDplus]

Category

Acid Anhydrides, Cyclic

Description

Light tan solid; [HSDB] Tan powder; Decomposed by water; [MSDSonline]

Sources/Uses

Used as a seed protectant and to make dyestuffs and optical brighteners; [HSDB]

Comments

Danger of skin sensitization; [MAK] An irritant; [MSDSonline] See "ACID ANHYDRIDES."

Exposure Assessment
Vapor Pressure

4.12E-7 mm Hg

Explanatory Notes

Flash point = 272 deg C; [HSDB]

Adverse Effects
Skin Sensitizer

Yes

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Health Studies

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Toxicity Information

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Chemical Information

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Diseases

Occupational diseases associated with exposure to this agent: