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Daily chemical cosmetic raw material crystalline magnesium sulfate MgSO4 7H2O for bath salt
MgSO4·7H2O Magnesium sulfate, heptahydrate
Aliases: bitter salt, magnesium sulfate crystallization
Relative molecular Weight:246.47
Properties:colorless columnar or granular crystal. With bitter salty.The relative density of 1.67. Weathering in dry air.At room temperature the loss of a molecular crystal water, 70 ~ 80 ° C loss of four molecules of crystal water, 100 ° C lost 5 molecules of crystal water, 120 ° C into anhydrous.The temperature of 1124 ° C (anhydrous). Soluble in water, slightly soluble in ethanol, glycerol, insoluble in acetone.
Product standard number: GB/T 671-77
Specifications: Content and the highest content of impurities in %
Test Items | AR | CP |
Content | 99.0 | 99.0 |
Clarity test | Qualified | Qualified |
Water insoluble matter | 0.005 | 0.01 |
Chloride (Cl) | 0.0005 | 0.001 |
Sodium (Na) | 0.005 | 0.05 |
Calcium (Ca) | 0.02 | 0.05 |
Manganese (Mn) | 0.001 | 0.005 |
Iron (Fe) | 0.0005 | 0.001 |
Zinc(Zn) | 0.001 | 0.002 |
Arsenic (As) | 0.0001 | 0.0002 |
Heavy metal(Pb) | 0.0005 | 0.001 |
Usage:Used as cosmetic bath salts, scrubs or analytical reagents, such as sulfate precipitants, etc. Also used in medicine, printing and dyeing, papermaking, ceramics, leather and other industries..



Packaging:25kg in woven bag with plastic inner







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