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Product: L-Cysteine hydrochloride monohydrate |
Quantity:2500kg |
Batch No:230520035 |
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Producing date: 2023.05.20 |
Sampling date:2023.05.20 |
Send out date: 2023.05.21 |
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Reference standard: USP39 |
Package: 25kg/Drum |
Expiry date: 2025.05.19 |
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Item |
Specifications |
Test Results |
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Description |
White crystals or crystallie powder |
White crystalline powder |
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Assay,% |
98.5~ 101.5 |
99.3 |
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Identification |
Infrared absorption uniformity |
Conforms |
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° Specific optical rotation[a]D20 |
+5.7o~ +6.8o |
+6. 1o |
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Loss on drying,% |
8.0-12.0 |
11.5 |
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Residue on ignition，% max |
0.4 |
0.06 |
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Sulfate (SO4),% max |
0.03 |
<0.03 |
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Heavy metals（Pb）,% max |
0.0015 |
<0.0015 |
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Iron (Fe) , % max |
0.003 |
<0.003 |
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Related compounds |
Individual impurities max |
0.5 |
Conforms |
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Total impurities max |
2.0 |
Conforms |
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Conclusion: Agree with the specification of USP39 |
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CERTIFICATE OF ANALYSIS
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Product: L-Cysteine Hcl Monohydrate |
Quantity:1000kg |
Batch No: |
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Producing date：Oct.20,2022 |
Date of Analysis:Oct.20,2022 |
Expiry date:Oct.19,2024 |
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Reference standard: AJI92 |
Package: 25kg Paper Drum |
CAS No.: 7048-04-6 |
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Item |
Specifications |
Results |
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Description |
White crystals or crystalline powder |
Conforms |
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Specific rotation[a]D20 ° |
+5.5 °~ +7.0 ° |
+6.0 ° |
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State of solution (Transmittance) |
Clear and colorless ≥98.0% |
99.2% |
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Loss on drying |
8.5%-12.0% |
11.49% |
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Residue on ignition |
≤0. 10% |
0.05% |
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Chloride (Cl） |
19.89% ~ 20.29% |
20.04% |
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Sulfate (SO4) |
≤0.02% |
<0.02% |
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Heavy metals（Pb） |
≤0.001% |
<0.001% |
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Iron (Fe) |
≤0.001% |
<0.001% |
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Ammonium ( NH4) |
≤0.02% |
<0.02% |
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PH value |
1.5～2.0 |
1.7 |
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Assay |
99.0% ~ 100.5% |
99.7% |
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Conclusion: This product complies withAJI92 standard. |
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| Product Name: | L-Cysteine, hydrochloride, monohydrate | Other Name: | L-Cysteine,hydrochloride,hydrate (1:1:1);Cysteine,hydrochloride,monohydrate,L-;L-Cysteine,hydrochloride,monohydrate;Cysteine hydrochloride monohydrate;Cysteine monohydrate hydrochloride;Cysteine hydrochloride |
| CAS No.: | 7048-04-6 | Molecular Formula: | C3H7NO2S.ClH.H2O |
| InChIKeys: | InChIKey=QIJRTFXNRTXDIP-JIZZDEOASA-N | Molecular Weight: | 175.63 |
| Exact Mass: | 175.007 | BRN: | 5158059 |
| EC Number: | 200-157-7 | UNII: | ZT934N0X4W |
| HScode: | 29309013 | Categories: | Amino Acids and Derivatives |
| PSA: | 65.3 | XLogP3: | 0.76610 |
| Appearance: | White Solid | Density: | 3″>1.51 g/cm3 |
| Melting Point: | 175°C | Boiling Point: | 293.9ºC at 760 mmHg |
| Flash Point: | 131.5ºC | Refractive Index: | 6 ° (C=8, 1mol/L HCl) |
| Water Solubility: | H2O: 1 M at 20 °C, clear, colorless | Storage Conditions: | Store at RT. |
| Vapor Pressure: | <0.1 hPa (20 °C) |
Classification of the substance or mixture
Skin irritation, Category 2
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
| Pictogram(s) |  |
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| Signal word |
Warning |
| Hazard statement(s) |
H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation |
| Precautionary statement(s) | |
| Prevention |
P264 Wash … thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/… P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. |
| Response |
P302+P352 IF ON SKIN: Wash with plenty of water/… P321 Specific treatment (see … on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell. |
| Storage |
P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. |
| Disposal |
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.