Magnesium sulphate heptahydrate 99.5-100.5% (dried basis), meets analytical specification of BP, Ph. Eur., USP, FCC, Fluka™
Supplier: Honeywell Chemicals
Certificates
About this item
Synonyms: sulphuric acid magnesium salt heptahydrate, Epsom salt, Bitter salt
CAS Number:10034-99-8
:
Formula:MgSO₄·7H₂O
MDL Number:MFCD00149785
:246.48 g/mol
Merck Index:13,05715
Melting Pt:1.124 °C (dec.)
Density:1.68 g/cm³ at 20 °C
Storage Temperature:Room Temperature
EINECS:231-298-2
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Assay (calculated to the dried substance):99.5 - 100.5 %
- Loss on drying (450°C):48.0 - 52.0 %
- pH (5 %, 25 °C):5.0 - 9.2
- Free acid (as H₂SO₄):Max. 0.01 %
- Free alkali (as MgO):Max. 0.004 %
- Acidity or alkalinity:complying
- Arsenic (As):Max. 2 ppm
- Iron (Fe):Max. 20 ppm
- Lead (Pb):Max. 4 ppm
- Selenium (Se):Max. 30 ppm
- Heavy metals (as Pb):Max. 10 ppm
- Chloride (Cl):Max. 100 ppm
- Residual solvents:complying
- Appearance of the solution:complying
Specification Test Results
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