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LC3426 Magnesium sulfate heptahydrate

extra pure, for tablewater FCC

 

Order number Packaging Quantity Price €
AC30426 Fibre carton 25 kg Inquire
AC30426 Fibre carton 25 kg Inquire

 

Product information
Grade FCC
Synonyms bitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate
Hill Formula MgO4S * 7 H2O
Chemical formula MgSO4 * 7 H2O
HS Code 2833 21 00
EC number 231-298-2
Molar mass 246.48 g/mol
CAS number 10034-99-8

 

Chemical and physical data
Solubility 710 g/l (20 °C)
Molar mass 246.48 g/mol
Density 1.68 g/cm3 (20 °C)
Bulk density 900 kg/m3
pH value 5.0 – 8.0 (50 g/l, H2O, 25 °C)

 

Safety information
RTECS OM4508000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

 

Specifications
Appearance of the substance colorless to white crystals
Assay (complexometric; calculated on dried substance) 99.5 – 100.5 %
Identity passes test
Appearance of solution (10 % in water) clear and colorless
Water-insoluble matter ≤ 50 mg/kg
Acidity or alkalinity conforms
Alkalinity (0.01 M HCl/1g) conforms
Acidity (0.01 M NaOH/1g) conforms
pH-value (5 %; water) 5.0 – 8.2
Bromide (Br) ≤ 5 mg/kg
Chloride (Cl) ≤ 140 mg/kg
Fluoride (F) ≤ 10 mg/kg
Nitrate (NO3) ≤ 40 mg/kg
Phosphate (PO4) ≤ 10 mg/kg
Heavy metals (as Pb) ≤ 10 mg/kg
Al (Aluminium) ≤ 1 mg/kg
As (Arsenic) ≤ 2 mg/kg
Ca (Calcium) ≤ 100 mg/kg
Cu (Copper) ≤ 10 mg/kg
Fe (Iron) ≤ 20 mg/kg
Hg (Mercury) ≤ 1 mg/kg
K (Potassium) ≤ 500 mg/kg
Na (Sodium) ≤ 0.3 %
Pb (Lead) ≤ 4 mg/kg
Se (Selenium) ≤ 30 mg/kg
Zn (Zinc) conforms
Loss on drying (450 °C) 48.0 – 52.0 %
Organic volatile impurities (according to USP) conforms
Odour not tested / typical substance properties
Taste not tested / typical substance properties