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L-Cysteine HCl Monohydrate

Product Description

*** CERTIFICATE OF ANALYSIS ***
 
Product Name:
L-CYSTEINE HCL MONOHYDRATE
Quantity: 200kgsBatch No: CH210328430
Product date: 2021.03.28Expiry date: 2023.03.27PAckage: 25kg/drum
 
ITEMSPECIFICATIONSTEST RESULTS
AppearanceWhite crystals or crystalline powderWhite crystalline powder
Assay, %99.0~100.599.5%
pH value1.5~2.01.69
Specific optical rotation[a]D20°+5.5°~+7.0°+6.05°
Transmittance, %98.0%99.8%
Loss on drying, % 8.0~12.0%9.9%
Residue on ignition, % ≤0.10.07
Chloride, %19.89~20.29%19.95%
Sulfate, %≤0.02<0.02
Heavy metals (as Pb), % ≤0.001<0.001
Iron (Fe), %≤0.001<0.001
Arsenic (As2O3), %≤0.0001<0.0001
Ammonium, %≤0.02<0.02
Conclusion: The test result of the above mentioned product meets standard.

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