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25 Kilogram |
FOB Price: USD 1.0000 |
VITAMIN B1 MONO 59-43-8 THIAMINE MONONITRATE
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Test Item |
Specification |
Product name |
high purity bulk vitamin b1 powder thiamine hydrochloride cas no 67-03-8 |
CAS No. |
67-03-8 |
Appearance |
White powder |
Molecular |
N/A |
Assay |
99% |
Odor |
Odorless |
chromato graphic purity |
Complies |
identification |
complies |
Packing |
25 kg/barrels, 1 kg/aluminum foil |
Storage |
sealed save, cool ventilated dry place, prevent sun, rain. |
Test Item
|
Specification
|
Result
|
|
BP2017 |
appearance
|
white or almost white,
crystalline powder or colourless crystals |
white crystalline powder
|
PH
|
2.7~3.3
|
3.0
|
|
Water
|
≤5.0%
|
3.38%
|
|
sulphated ash
|
≤0.1%
|
0.02%
|
|
sulphates
|
≤300ppm
|
<300ppm
|
|
heavy metals
|
≤20ppm
|
<20ppm
|
|
Assay(on anhydrous basis)
|
98.5%~101.0%
|
99.5%
|
|
USP39 |
identification
|
A:IR absorption;B:test of chloride.
|
comply
|
absorbance of solution
|
≤0.025
|
0.016
|
|
limit of nitrate
|
no brown ring produced at the
junction of the two layers |
comply
|
|
ph
|
2.7~3.4
|
3.2
|
|
water
|
≤5.0%
|
3.38%
|
|
≤0.2%
|
0.02%
|
||
≤1.0%
|
0.06%
|
||
Assay(on anhydrous basis)
|
98.0%~102.0%
|
99.7%
|
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