Chemical Product Library / Reference

Calcium stearate

Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.

Molecular structure for Calcium stearate

Chemical identity

English nameCalcium stearate
English synonymsCalcium distearate;Octadecanoic acid calcium salt
Chinese name硬脂酸钙
Chinese synonyms十八酸钙;硬脂酸钙盐
Chemical categoryInorganic Salts
CAS No.1592-23-0
EINECS No.216-472-8
Molecular formulaC36H70CaO4
Molecular weight607.02
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.

Technical indicators

Ca content 6.5–7.5%; free acid (as stearic acid) ≤0.5%; moisture ≤2.0%; melting point 140–160°C; residue on 200 mesh ≤0.1%

Performance characteristics

White powder, insoluble in water, good lubricity and heat stability

Application scenarios

PVC heat stabilizer/lubricant, plastics processing aid, cosmetic powder, pharmaceutical tablet lubricant