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Ferrous sulfate heptahydrate Structure

Ferrous sulfate heptahydrate

Chemical Properties

Melting point 64 °C
Density  1.898 g/mL at 25 °C (lit.)
vapor pressure  14.6 mm Hg ( 25 °C)
storage temp.  Store at +15°C to +25°C.
solubility  25.6 g/100 mL (20°C)
form  Solution
color  Slightly greenish to blue
Specific Gravity 1.898
PH 3.0-4.0 (25℃, 50mg/mL in H2O)
Odor pale bluish-grn. cryst. or gran., odorless
Water Solubility  25.6 g/100 mL (20 ºC)
Sensitive  Air Sensitive & Hygroscopic
Merck  14,4057
Exposure limits ACGIH: TWA 1 mg/m3
NIOSH: TWA 1 mg/m3
Stability Stable. Substances to be avoided include strong oxidizing agents. Air and moisture sensitive.
InChIKey SURQXAFEQWPFPV-UHFFFAOYSA-L
LogP -1.031 (est)
CAS DataBase Reference 7782-63-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) FERROUS SULFATE
FDA UNII 39R4TAN1VT
EPA Substance Registry System Ferrous sulfate heptahydrate (7782-63-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302-H315-H319
Precautionary statements P264-P270-P280-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn
Risk Statements  22-36/38
Safety Statements  36/37/39-46
WGK Germany  1
RTECS  NO8510000
10-23
TSCA  Yes
HS Code  28332950
Toxicity LD50 in mice: 65 mg/kg i.v.; 1.52 g/kg orally (Hoppe)
NFPA 704:
1
2 1

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