China National Chemical Construction Jiangsu Company
Contact: Tao Zhendong
E-mail: tzhendong#cncccjs.com
Hydroxyzine HCl
Standard: USP29
Appearance: White or almost white crystalline powder
Identification: A), B), C): Positive
Loss on drying: 5.0% Max
Residue on ignition: 0.5% Max
Heavy metals: 20ppm Max
Organic volatile impurities: Meets the requirements
Individual impurity: 0.3% Max
Total impurities: 1.5% Max
Solubility: Very easily soluble in water, soluble in chloroform
Assay: 98.0 ~ 100.5%