FERROUS SULPHATE HEPTAHYDRATE AR (IRON (II) SULPHATE)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
F0099400500	AR	99%	7782-63-0	FeSO_4.7H₂O	278.01	2833.2910	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Green powder

Odour

Odorless

pH value

3 - 4 at 50 g/l at 25 °C

Melting Point/ Freezing point [°C]

64 °C

Boiling point [°C]

> 300°C

Density [g/cm3]

1.898 g/cm3 at 25 °C

Vapour pressure mm/Hg

14.6 mm Hg at 25 °C

Solubility in water [% weight]

48.6 g/100 g water @ 500C

Appearance:	Light blue or blue-green or green powder or crystals
Insoluble matter:	Max 0.01%
Chloride (Cl):	Max 0.001%
Sodium (Na):	Max 0.02%
Copper (Cu):	Max 0.005%
Assay:	99.0%
Calcium (Ca):	Max 0.005%
Magnesium (Mg):	Max 0.002%
Manganese (Mn):	Max 0.05%
Phosphate (PO4):	Max 0.001%
Potassium (K):	Max 0.002%
pH (5% solution in water):	3.0 - 4.0
Zinc (Zn):	Max 0.005%
Ferric ion (Fe):	Max 0.1%

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302-H315-H319
Precaution Statement: P305 + P351 + P338