Agent Name

Ferrous chloride tetrahydrate

CAS Number

13478-10-9

Formula

Cl2-Fe.4H2-O

Major Category

Metals

Synonyms

Ferrous chloride, tetrahydrate; Iron (II) chloride, tetrahydrate; Iron chloride tetrahydrate; Iron dichloride tetrahydrate; Iron(2+) chloride, tetrahydrate; [ChemIDplus] UN3260

Category

Metals, Inorganic Compounds

Description

Pale green to blue-green solid; Soluble in water; [Merck Index] Light green fine crystals and fragments; Hygroscopic; [Sigma-Aldrich MSDS]

Sources/Uses

Used in metallurgy, as a reducing agent, in pharmaceutical preparations, and as a mordant in dyeing; [Merck Index]

Comments

May cause irritation and liver injury; [Merck Index] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Sigma-Aldrich MSDS] See "Ferrous chloride." See "Iron salts, soluble."

Exposure Assessment
TLV (ACGIH)

1 mg/m3, as Fe (soluble iron salts)

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Corrosive solid, acidic, inorganic, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Hepatotoxin

Hepatotoxin, Secondary

Dermatotoxin

Skin Burns

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: