| detailed description: |
cas no. :822-16-2
quantity: 100metric tons
specs:industrial, food grade,usp-29
1. product introduction
name：sodium stearate
molecular formula: c18h35nao2
cas no.:822-16-2
einecs no.:212-490-5
it is white powder with fatty odor, greasy to touch, soluble in hot water and ethanol.
2.specification
（1）industrial grade
|
test items
|
specification
|
|
acid value of fatty acid
|
196~211
|
|
iodine value of fatty acid
|
≤1.0
|
|
acidity
|
0.28%~1.2%
|
|
loss on drying
|
≤5.0%
|
|
assay
|
≥99.5%
|
|
particle size
|
200≥99% (≥99% through 200mesh)
|
（2）food grade
operative norm: enterprise standard: q/hlx002-2007
|
test items
|
specification
|
|
characters
|
white powder, little odor, no impurities
|
|
acid value
|
196-211
|
|
acidity
|
0.28%-1.2%
|
|
iodine (fatty acid)
|
≤4.0%
|
|
arsenic
|
≤3mg/kg
|
|
heavy metals
|
≤0.0015%
|
|
loss on drying
|
≤4.0%
|
|
assay(dry)
|
≥98.0%
|
（3）pharmaceutical grade
operative norm: usp29-nf24
|
test items
|
specification
|
|
ph (fatty acid)
|
196~211
|
|
iodine (fatty acid)
|
≤4.0%
|
|
acidity
|
0.28%~1.2%
|
|
loss on drying
|
≤5.0%
|
|
organic volatile impurities
|
conform
|
|
heavy metals
|
≤0.0005%
|
|
stearic acid
|
≥40.0%
|
|
stearic acid and palmitic acid
|
≥90.0%
|
it is widely used in medicine, food, cosmetics and plastic etc, used as emulsifier, dispersant, bond, anti-corrode resistance.
3. package and storage:
packing: 25kgs/bag
storage: tightly sealed in a clean, cool, dry area, keep away from strong, direct light.
|
