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CasNo： 7048-04-6
MF： C3H8ClNO2S.H2O
Appearance： White crystals or crystalline powder; strongly acid taste.
Delivery Time： one week
Throughput： 1 million|Metric Ton|Year
Purity： 99%
L-Cysteine Hydrochloride Monohydrate is widely used in fields of medicine, food processing, biological study, materials of chemical industry and so on.It’s used as raw materials for manufacturing N-Acetyl-L-Cysteine , S-Carboxymethyl-L-Cysteine and L-Cysteine base etc.Used in the cure of liver disease, antioxidant and antidoteIt is a promotor for bread fermentation. It promotes the form of glutelin and prevents from getting ageing.Also used in cosmetic.
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Item |
Specifications |
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USP |
AJI |
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Appearance |
White crystals or crystalline powder; strongly acid taste. |
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Identification |
Infrared Absorption |
— |
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Specific optical rotation |
+5.6 °- +8.9 ° |
+5.5 °- +7.0 ° |
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State of solution (Transmittance) |
— |
>= 98.0% clear and colorless |
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Chloride (Cl) |
— |
19.89-20.29% |
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Ammonium(NH4) |
— |
=< 0. 002% |
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Sulfate |
=< 0. 03 % |
=< 0. 020% |
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Iron |
=< 0. 003 % |
10ppm |
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Heavy Metals (as Pb), |
=< 0.00 15% |
=< 10ppm |
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Arsenic (as As), |
— |
=< 1ppm |
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Other amino acids |
— |
Not detected |
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Organic volatile impurities |
Meets the requirement |
— |
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Loss on drying, |
8-12 % |
8.5-12 % |
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Residue on ignition, |
c |
=< 0.1 0 % |
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Assay |
98.5-101.5 % |
9 9.0-10 0.5 % |
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pH value |
— |
1.5-2.0 |
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Organic volatile impurities |
Meets the requirement |
— |
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Chromatographic purity |
0.5% max Individual impurity, 2% max total |
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