Salts & Minerals
REACH
Ferrous sulfate monohydrate
CAS Number
13463-43-9
EC Number
603-840-1
What is Ferrous sulfate monohydrate?
Ferrous sulfate monohydrate (CAS 13463-43-9) is an iron salt used as a coagulant, pH modifier, and iron source. Also marketed as Feromax and Fespan.
Where is Ferrous sulfate monohydrate used?
- Water treatment: coagulant and flocculant
- Water treatment: removes phosphates and suspended solids; reduces chromate in effluent streams
- Agriculture: soil amendment correcting iron deficiency in crops
- Agriculture: pH correction in alkaline soils, incorporated into fertilizer blends or applied directly
- Animal feed: bioavailable iron to prevent anemia
- Mining: precipitation of metals from process liquors
- In acid mine drainage treatment it provides pH control.
Good to know: Feed and nutritional applications typically require compliance with USP or BP specifications for safety.
Commercial specifications
- 25 kg bags or bulk tote quantities
Other Names (Synonyms)
Iron(2+) sulfate monohydrate|Feromax|Fespan|dried ferrous sulfate|Tetucur|iron(II) sulfate monohydrate|RIB00980VW|Sulfuric acid, iron(2+) salt (1:1), hydrate
What are the physical properties of Ferrous sulfate monohydrate?
Melting Point 64 °C
Density 1.9 g/mL at 25 °C(lit.)
Appearance Greyish-white powder.
Form solid
Vapor Pressure 14.6 mm Hg ( 25 °C)
pH 3.0-4.0 (20℃, 5%)
How is Ferrous sulfate monohydrate classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary Statements
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P321 Specific treatment (see … on this label).
Which trade and regulatory codes apply to Ferrous sulfate monohydrate?
UN Number 3077
Storage Class 11 - Combustible Solids
WGK (Germany) 1