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Sodium stearate

Product Name: 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%


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