Item | Standard of JP16 | Standard of USP38 |
Characteristics | A white crystalline powder, odorless | |
Identification | Positive | Positive |
Clarity and color of solution | Clear and colorless | ———- |
Chloride | 0.011% max | 0.05% max |
Sulfate | 0.010% max | 0.03%max |
Ammonium | 0.02% max | ———– |
Heavy metals | 10 ppm max | 15ppm max |
Iron | 10ppm max | 30ppm max |
PH | 4.1~5.6 | ———- |
Related substances | Meet to requirement | ———- |
Loss on drying | 0.20%(105℃, 2 hours) max | 0.3%(105℃, 3 hours) max |
Residue on ignition | 0.1% max | 0.3%max |
Assay (dried) | 99.0%~101.0% | 98.5%~101.5% |
Total plate count | NMT 100/g | NMT 1000/g |
Mold | NMT 50/g | NMT 50/g |
Yeast | NMT 50/g | NMT 50/g |
Salmonella | Negative/385g | Negative/385g |
Staphylococcus aureus | Negative/25g | Netative/25g |
Related compounds | Meet to requirement | 0.5% max |
Residual solvents | ———– | Meer to requirement |
Taurine
HANGZHOU CHUANGGAO YE CO.,LTD
Taurine
Tongxiang Hengda Chemical Co., Ltd
Taurine
wuhan yuanqi pharnchem.,ltd
Taurine
Jiangyin South Pole Star Biological Products Co., Ltd
Taurine
Hebei xiecheng bio—technology co.,ltd
Taurine
Shanghai Entropy Chemical Co., Ltd
Taurine
Sunji & Co., Ltd.
Taurine
Tianjin Tiancheng Pharmaceutical Co., Ltd
Taurine
HUBEI Nanxing PHARMACEUTICAL CO.,LTD
Taurine
Shandong Fangming Pharmaceutical Group Co.,Ltd