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ZINC STEARATE Extra Pure

Confirms to IP
Stearic acid zinc salt

Restricted for Export (Under Scomet)  
COAs

Packings

500 g (00500)

1PW1201600
Print friendly version
Article No. 6552D Grade Extra Pure
Purity CAS No. 557-05-1
Molecular Formula [CH3(CH2)16COO]2Zn Molecular Weight 632.33
H.S. Code 2915.7090 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless Melting point/ Freezing point [°C] 118 –130 °C
Auto-ignition temperature [°C] 790 °C Flash point [°C] 277 °C
Density [g/cm3] 1.095 Solubility in water [% weight] Insoluble in water

Specifications

Appearance A fine,white,bulky,amorphous powder free from grittiness Solubility Practically insoluble in water; in ethanol (95%)and in ether
Identification 'A' & 'B' Passes IP test Appearance of solution Solution A should not more intensely coloured than reference solution YS6
Acidity or alkalinity Not more than 0.3 ml of 0.1M HCl or 0.1 ml of 0.1M NaOH should be required to change the colour of the solution Alkali & alkaline earth metals The residue weights not more than 20 mg
Arsenic (As) NMT 2 ppm Chlorides NMT 250 ppm
Sulphates NMT 0.6% Assay (as Zn; complexometric) 10.0-12.0%

Safety Information and Hazard Symbols

Risk Statement: 37
 Safety Statement: 22-26-36/37/39-38
Revision Date: 02-Sep-2026

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