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36288
Aluminum potassium sulfate dodecahydrate, ACS, 98.0-102.0%

CAS: 7784-24-9 MDL: MFCD00149143  EINECS: 233-141-3
Not regulated for shipping
Alternate Name: Alum
Potassium alum

 

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Chemical Properties

Formula: KAl(SO4)2•12H2O  Melting point: 92°
Formula weight: 474.38 (258.20anhy)  Density: 1.757
Form: Granular Solubility: Soluble in water, glycerol. Insoluble in alcohol

Applications

In printing, fabrics, dyeing, manufacturing of paper, vegetable glue, baking powder, purifying water, clarifying sugar, as catalyst in ammonia synthesis, hardening agent in microscopy

Grade Specs

Maximum level of impurities: Insoluble matter 0.005%, Cl 5ppm, NH4 0.005%, Heavy Metals (as Pb) 0.001%, Fe 0.001%, Na 0.02%

Other References

Merck: 14,360
Harmonized Tariff Code:   2833.30

Risk & Safety

TSCA: Yes
RTECS: WS5690000