Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

172572 Magnesium sulfate heptahydrate

extra pure, for tablewater FCC

Synonyms: bitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate

View Products on Sigmaaldrich.com
172572
Purchase on Sigma-Aldrich

Overview

Replacement Information

Products

Catalogue NumberPackaging Qty/Pack
1725729025 Fibre carton 25 kg
Description
Catalogue Number172572
Synonymsbitter salt, epsom salt, sulfuric acid magnesium salt heptahydrate
DescriptionMagnesium sulfate heptahydrate
References
Product Information
CAS number10034-99-8
EC number231-298-2
GradeFCC
Hill FormulaMgO₄S * 7 H₂O
Chemical formulaMgSO₄ * 7 H₂O
Molar Mass246.5 g/mol
HS Code2833 21 00
Quality LevelMQ300
Applications
Biological Information
Physicochemical Information
Density1.68 g/cm3 (20 °C)
Melting Point1124.0 °C
pH value5.0 - 8.0 (50 g/l, H₂O)
Vapor pressure0.133 hPa (20 °C)
Bulk density900 kg/m3
Solubility710 g/l
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
RTECSOM4508000
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal14
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).
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Appearance of the substancecolorless to white crystals
Assay / (complexometric; calculated on dried substance)99.5 - 100.5 %
Identity (wet chemistry)passes test
Appearance of solution (10 % in water)clear and colorless
Water-insoluble matter≤ 200 mg/kg
Acidity or alkalinityconforms
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)≤ 1000 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 %
Residual solvents (ICH Q3C)Excluded by production process
Odournot tested / typical substance properties
Tastenot tested / typical substance properties
Corresponds to FCC
Global Trade Item Number
Catalogue Number GTIN
1725729025 04022536919249

Related Products & Applications