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| Quantity: | |
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52-89-1
Futurechemical
52-89-1
| L-Cysteine monohydrochloride Basic information | |
| Product Name: | L-Cysteine monohydrochloride |
| CAS: | 52-89-1 |
| MF: | C3H8ClNO2S |
| MW: | 157.62 |
| EINECS: | 200-157-7 |
| Mol File: | 52-89-1.mol |
| L-Cysteine monohydrochloride Chemical Properties | |
| Melting point | 180°C |
| alpha | 5.5 º (c=8, 6 N HCL) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| color | White to light brown |
| Odor | odorless |
| optical activity | [α]20/D +6.4±0.3°, c = 5% in 5 M HCl |
| biological source | synthetic |
| Water Solubility | SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 142,781 |
| BRN | 3560277 |
| Stability: | Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals. |
| InChIKey | IFQSXNOEEPCSLW-DKWTVANSSA-N |
| LogP | 0.235 (est) |
| CAS DataBase Reference | 52-89-1(CAS DataBase Reference) |
| NIST Chemistry Reference | L-cysteine hydrochloride(52-89-1) |
| EPA Substance Registry System | L-Cysteine hydrochloride (52-89-1) |
项 目 Item | 标 准 Specifications | 分 | 析 Test | 结 Results | 果 | ||
含量 (干基),% Assay ,% |
min | ≥ | 98.0～102.0 | 99.5 | |||
pH 值 pH value | 1.5 ～ 2.0 | 1.7 | |||||
比旋光度 Specific optical rotation[a] 20° D | + 5.6o ~ +8.9o | + 6.5o | |||||
透 过 率 %, (Transmittance)%, | ≥ |
max | 98.0 | 98.0 | |||
加热减量,% Loss on drying,% | ≤ max | 5.0 | 4.7 | ||||
炽灼残渣,% ≤ Residue on ignition,% max | 0.1 | 0.08 | |||||
重金属 (以Pb 计),% ≤ Heavy metals (as Pb),% max | 0.001 | ＜0.001 | |||||
砷盐（以As 计）,% ≤ Arsenic (as As),% max | 0.0001 | ＜0.0001 | |||||
其它氨基酸 Other amino acids | 色谱未检出 | 未检出 | |||||
结论：本产品符合AJI92 版标准。 Conclusion: This product complies with AJI92standard. | |||||||
| L-Cysteine monohydrochloride Basic information | |
| Product Name: | L-Cysteine monohydrochloride |
| CAS: | 52-89-1 |
| MF: | C3H8ClNO2S |
| MW: | 157.62 |
| EINECS: | 200-157-7 |
| Mol File: | 52-89-1.mol |
| L-Cysteine monohydrochloride Chemical Properties | |
| Melting point | 180°C |
| alpha | 5.5 º (c=8, 6 N HCL) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| color | White to light brown |
| Odor | odorless |
| optical activity | [α]20/D +6.4±0.3°, c = 5% in 5 M HCl |
| biological source | synthetic |
| Water Solubility | SOLUBLE |
| Sensitive | Hygroscopic |
| Merck | 142,781 |
| BRN | 3560277 |
| Stability: | Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals. |
| InChIKey | IFQSXNOEEPCSLW-DKWTVANSSA-N |
| LogP | 0.235 (est) |
| CAS DataBase Reference | 52-89-1(CAS DataBase Reference) |
| NIST Chemistry Reference | L-cysteine hydrochloride(52-89-1) |
| EPA Substance Registry System | L-Cysteine hydrochloride (52-89-1) |
项 目 Item | 标 准 Specifications | 分 | 析 Test | 结 Results | 果 | ||
含量 (干基),% Assay ,% |
min | ≥ | 98.0～102.0 | 99.5 | |||
pH 值 pH value | 1.5 ～ 2.0 | 1.7 | |||||
比旋光度 Specific optical rotation[a] 20° D | + 5.6o ~ +8.9o | + 6.5o | |||||
透 过 率 %, (Transmittance)%, | ≥ |
max | 98.0 | 98.0 | |||
加热减量,% Loss on drying,% | ≤ max | 5.0 | 4.7 | ||||
炽灼残渣,% ≤ Residue on ignition,% max | 0.1 | 0.08 | |||||
重金属 (以Pb 计),% ≤ Heavy metals (as Pb),% max | 0.001 | ＜0.001 | |||||
砷盐（以As 计）,% ≤ Arsenic (as As),% max | 0.0001 | ＜0.0001 | |||||
其它氨基酸 Other amino acids | 色谱未检出 | 未检出 | |||||
结论：本产品符合AJI92 版标准。 Conclusion: This product complies with AJI92standard. | |||||||
