Product Brief Introduction
Product name: Pyridostigmine Bromide
CAS：101-26-8
MF: C9H13BrN2O2
MW: 261.116
Product Specification
|
Item |
Specification |
|
Appearance |
White or off-white crystalline powder; easily deliquescent |
|
Identification |
(1):Meets the standard. |
|
(2): IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
|
(3): The aqueous solution of the product shows the identification reaction (1) of bromide. |
|
|
Absorption Coefficient(E1%1CM) |
180.0~190.0 |
|
Solubility |
This product is very soluble in water and ethanol, freely soluble in dichloromethane, and practically insoluble in ethyl acetate. |
|
Clarity and Color of Solution |
Clear and Colorless |
|
Melting Point |
153.0℃-157.0℃ |
|
PH |
3.5~6.0 |
|
Loss on Drying |
≤ 0.5% |
|
Residue on Ignition |
≤ 0.1% |
|
Related Substances
|
Impurity A ≤ 0.06% |
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Impurity B ≤ 0.06% |
|
|
Single maximum unspecified impurity ≤ 0.06% |
|
|
Total impurities ≤ 0.5% |
|
|
Heavy Metals |
≤ 20ppm |
|
Residual Solvents |
Ethanol ≤ 5000ppm |
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Dichloromethane ≤ 600ppm |
|
|
Ethyl acetate ≤ 5000ppm |
|
|
Triethylamine≤ 5000ppm |
|
|
Total Plate Count |
≤ 1000cfu/g |
|
Yeasts&Molds |
≤ 100cfu/g |
|
E.Coli |
Negative |
|
Assay (on dried basis) |
≥ 98.5% |
