Agent Name

Manganese sulfate monohydrate

CAS Number

10034-96-5

Formula

O4-S.Mn.H2-O

Major Category

Metals

Synonyms

Manganese sulfate; Manganese(2+) sulfate monohydrate; Manganese(II) sulfate monohydrate; Manganese sulfate hydrate; Manganese, monosulfate, monohydrate; Sulfuric acid, manganese(2+) salt (1:1) monohydrate; [ChemIDplus]

Category

Manganese Compounds, Inorganic

Description

Light red solid; Slightly efflorescent; [Merck Index] Pink hygroscopic solid; [ICSC] Light red hygroscopic powder; [Aldrich MSDS]

Sources/Uses

Used in dyes, boiling oils for varnishes, fertilizers (vines and tobacco), animal feeds (essential trace element), red glazes on porcelain, and medicines (prevention of perosis in poultry); [Merck Index] Used in paints, varnishes, textile dyes, fungicides, medications, ceramics, foods (nutrient and dietary supplement), ore flotation, and synthetic manganese dioxide; Also used as a catalyst (viscose process); [NTP]

Comments

No evidence of carcinogenicity in rats and equivocal evidence in mice in 2-year feeding studies; [NTP] Intermittent inhalation studies of rats produced changes in testicular weight (0.5 mg/m3 for 45 days) and degenerative changes to brain (0.01 mg/m3 for 13 weeks); [RTECS] May cause irritation; Targets lungs and nerves; [Aldrich MSDS] See "Manganese" and linked occupational diseases.

Exposure Assessment
TLV (ACGIH)

0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction)

PEL (OSHA)

Ceiling(OSHA) = 5 mg/m3, as Mn

MAK

0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)

Adverse Effects
Neurotoxin

Parkinson's Syndrome

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: