Sodium stearate

Name:Sodium stearate
molecular formula: CH3(CH2)16COONa
Appearance: white powder, fatty odor, greasy to the touch, dissolve in hot water ,soluble in hot water,hot alcohol,resolve into stearate acid and sodium salt.
Main usage: Be widely used in food,medicine,cosmetic,plastic, metal processing, metal removal,etc. industry;used as densifier,emulsifier,corrosion inhibitor,adhesive and so on.

1)Industrial grade
inspection item standard requirement
acid value 196~211
iodine value ≤1.0
acidity (count as stearate acid) 0.28%~1.2%
loss on drying ≤5.0%
content ≥99.5%
particle size 99%pass when 200 mesh

2)food grade
Executive standard: Q/HLX002-2007
inspection item standard requirement
acid value 196~211
iodine value ≤4.0
acidity (count as stearate acid) 0.28%~1.2%
arsenic (As) ≤3mg/kg
heavy metal ≤0.0015%
loss on drying ≤4.0%
content ≥98.0%

3)pharmaceutical grade
Executive standard: USP29-NF24
Inspection item Standard requirement
acid value of fatty acid 196~211
iodine value of fatty acid ≤4.0%
Acidity(stearic acid) 0.28%~1.2%
loss on drying ≤5.0%
organic solvent volatilize impurity complies
heavy metal ≤0.0005%
alcohol undissolved substance complies
stearic acid ≥40.0%
stearic acid and palmitic acid content ≥90.0%