Ferrous chloride anhydrous

CAS number: 7758-94-3
Molecular weight: 126.75
Molecular formula / chemical symbol: FeCl2

Description

White or gray-green crystals. Easy to moisture. Susceptible to oxidation in air fade into yellow.

Keywords：Chloride

USES

Used in metallurgy, pharmaceutical manufacturing. As a mordant and a reducing agent. Used as analytical reagents, mordant, also used in the metallurgical industry, and used as a water purification agent, reducing agent, unleaded gasoline additives

Report

Molecular formula	FeCl₂
Molar mass	126.751 g/mol (anhydrous) 198.8102 g/mol (tetrahydrate)
Appearance	tan solid (anhydrous) pale green solid (di-tetrahydrate)
Density	3.16 g/cm³ (anhydrous) 2.30 g/cm³ (dihydrate) 1.39 g/cm³ (tetrahydrate)
Melting point	677 °C (anhydrous) 120 °C (dihydrate) 105 °C (tetrahydrate) ^[1]
Boiling point	1023 °C (anhydrous)
Solubility inwater	64.4 g/100 mL (10 °C), 68.5 g/100mL (20 °C), 105.7 g/100 mL (100 °C)
Solubility inTHF	soluble