Calcium stearate, EssentQ®

- Synonyms: Stearic acid calcium salt
- C36H70CaO4
- M = 607,04 g/mol
- CAS [1592-23-0]
- EINECS-No.: 216-472-8
- Solub. in water: (20 ºC): 2,2 mg/l
- Melting point: 147 - 149 ºC
- Ignition temp.: 460 ºC
- LD 50 (oral, rat): > 10000 mg/kg
- Tariff number: 2915 70 30 00
- Applications: in building materials, in explosive compositions, plasticizer, in lubricant compositions, in food industry, for pharmaceutical use.

SPECIFICATIONS
assay (complexometric, as Ca): 6,4 - 7,4 %
assay (complexometric, as CaO): 9,0 - 10,5 %
identification: passes test
stearic acid in the fatty acid fraction: min. 40 %
sum of stearic acid and palmitic acid in the fatty acid fraction: min. 90 %
acidity or alkalinity: passes test
chlorides (Cl): max. 0,1 %
sulfates (SO4): max. 0,3 %
arsenic (As): max. 3 ppm
cadmium (Cd): max. 3 ppm
heavy metals (as Pb): max. 0,001 %
lead (Pb): max. 0,001 %
mercury (Hg): max. 1 ppm
nickel (Ni): max. 5 ppm
zinc (Zn): max. 0,002 %
loss on drying (105 ºC): max. 4 %