Best price USP l cysteine hcl/ l cysteine hydrochloride monohydrate or anhydrous
- Category: Disinfectant and Preservatives >>>
- Supplier: Guangzhou ZIO Chemical Co. Ltd. [Guangdong China]Guangzhou
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Product Overview
Description
Best price USP l cysteine hcl/ l-cysteine hydrochloride monohydrate or anhydrous
Product Description
| Item | Standard |
| Appearance | white crystal or crystallline powder |
| Assay (%) | 99.0% ~ 101.0% |
| Loss on drying (%) | 8.5 ~ 12.0 |
| Residue on ignition (%) | ≤ 0.10 |
| Heavy metal (Pb) (%) | ≤ 0.001 |
| Arsenic (%) | ≤ 0.0001 |
| Specific rotation[α]D20 | +5.5 ~ +7.0° |
| Iron (Fe), % | ≤0.001 |
| Sulfate (SO4) (%) | ≤ 0.02 |
| Chloride (Cl) (%) | 19.89-20.29 |
| Melting point ( ℃) | 175 |
| PH Value | 1.5 ~ 2.0 |
| Other amino acid | Negative |
| Ammonium salt (NH4), % | ≤0.02 |
| State of solution, % | ≥98.0 |
| Storage | in dry and cool place |
| Packing | 25kg per drum |
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| Tel | +86 (20) 2905 3326 | Address | Runnong Business Center, Huangcun Road, Dongpu Town, Tianhe District, Guangzhou, China (Mainland) |
| Fax | +86 (20) 8232 5691 | ||
| tiffiney.zhou @gzzio.com | |||
| Mob: | +8613822108446 | ||
| Web | //gzzio.en.alibaba.com/ |
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