Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.112732-17-9
A(1-2)Kilogram
Check Item | Standard Regulations | Check results | |
Characteristics | Off-white to slightly yellowish crystalline powder | Conforms | |
Ultraviolet absorption | Absorptivity between 385 to 409 | 390 | |
Identification |
chemical reaction | Conforms to the requirement | Conforms |
liquid chromatography | Conforms to the requirement | Conforms | |
infrared absorption | Conforms to the requirement | Conforms | |
chloride | Conforms to the requirement | Conforms | |
Clarity and colour of solution | Conforms to the requirement | Conforms | |
Acidity | pH value,between 4.0 and 6.0 | 4.6 | |
Related substances | not more than 1.0% | 0.2% | |
Moisture | 3.0~4.0% | 3.6% | |
Residue on ignition | not more than 0.2% | 0.06% | |
Heavy metal | not more than 0.001% | Conform | |
residual solvent | Conforms to the requirement | Conform | |
Assay | 98.0%~102.0% calculated on the anhydrous substance basis | 99.5% |