Agent Name

Selenic acid

CAS Number

7783-08-6

Formula

H2-O4-Se

Major Category

Toxic Gases & Vapors

Synonyms

UN1905

Category

Acids, Inorganic

Description

Highly deliquescent solid; [Merck Index] White solid; [HSDB] Slightly yellow-green liquid; [MSDSonline] mp = 59.9 deg C; [Ullmann]

Sources/Uses

Used to make selenates by reaction with metal oxides or hydroxides; [Ullmann]

Comments

A strong skin and mucous membrane irritant; [Hawley] A stronger oxidizing agent than sulfuric acid; [Ullmann] A strong skin and mucous membrane irritant; May cause burns to eyes; [HSDB] Highly corrosive to skin, eyes, and mucous membranes; [CAMEO] Corrosive to skin and eyes; [eChemPortal: ERMA] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline] See "Selenium."

Exposure Assessment
TLV (ACGIH)

0.2 mg/m3, as Se

PEL (OSHA)

0.2 mg/m3, as Se

MAK

0.02 mg/m3, as Se, inhalable fraction

IDLH (NIOSH)

1 mg/m3, as Se

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Other Information

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