L-Histidine
Standard: USP
Function and application: Biochemical reagents, agents, pharmaceutical raw materials, etc
Packaging: 25kg/bag(drum), others as required
MOQ:25kg
Shelf life: two years
Specification:
|
L-Histidine |
USP33 |
|
Description |
White crystal or crystalline powder |
|
Identification(IR) |
Conforms |
|
pH |
7.0 ~ 8.5 |
|
Assay |
98.5%~101.5% |
|
Specific rotation |
+12.6°~ +14.0° |
|
Chloride |
≤0.05% |
|
Sulfate |
≤0.03% |
|
Heavy metals |
≤15ppm |
|
Iron |
≤0.003% |
|
Residue on ignition |
≤0.40% |
|
Loss on drying |
≤0.20% |
|
Chromatography purity |
Conforms |
|
Residual solvent |
Conforms |
CONTACT US
Shijiazhuang Haitian Amino Acid Co., Ltd.
TEL:+86-311-88908111
FAX:+86-311-88901888
EMAIL:sales@aminoacidchem.com
ADD:Shijiazhuang City, Hebei,P. R. China.
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