Product Data

Quality, metal content, physical appearance, color, flavor, bulk density, solubility and pH-value are important parameters of our products. If you need more information, please feel free to contact us.

General Characteristics

Synonyms: Iron(II) Sulfate

Formula FeSO4 * 7H2O
Molecular weight 278.02 g/mol
CAS No.: 7782-63-0
EINECS No.: 231-753-5
HS No.: 28332980

Product number Product parameter Storage conditions | Retest period Additional information
522004000 crystals
approx. 20 % Fe | pale green | bitter astringent, metallic | Solubility 20 °C: ++ | pH 1 %: approx. 3.5 |
Keep well closed, dry and at temperatures below 25 °C; 12 months
522004002 crystals
API quality | Ph.Eur.11.Ed. | USP 43 | FCC 12 | food supplement | DPL-BioPharm | Lohtragon® | chem. pure | BP 2023
approx. 20 % Fe | bluish-green | bitter astringent, metallic | Solubility 20 °C: ++ | pH 1 %: approx. 3.5 |
Keep well closed, dry and at temperatures below 25 °C; 12 months CEP available
522004004 crystals
Ph.Eur.11.Ed. | USP 43 | FCC 11 | JP XVII, JP XVI | JSFA 9.Ed.
approx. 20 % Fe | bluish-green | bitter astringent, metallic | Solubility 20 °C: ++ | pH 1 %: approx. 3.5 |
Keep well closed, dry and at temperatures below 25 °C; 12 months
522004008 crystals
Ph.Eur.11.Ed. | USP 43 | FCC 12
approx. 20 % Fe |
Keep well closed, dry and at temperatures below 25 °C; 12 months

++ > 100 g/l | + 10 - 100 g/l | − 1 - 10 g/l | −− < 1 g/l
The solubility specified here was measured in water. The solubility is influenced by many factors in the application.

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