Food & Feed Additives
【CAS No.】7048-04-6
【Specification】USP38,AJI92
【Molecular Formula】C3H10ClNO3S
【Formula Weight】175.63
【Apperance】white crystal or crystal powder with smelly sour
【Origin】China
【Brand】VIADD
【Supplier】Shenyang Viadd Chemical Co.,Ltd.
【Price Email】sales@viaddchem.com
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L-CYSTEINE HYDROCHLORIDE MONOHYDRATE INTRODUCTION
VIADD CHEMICAL COMPANY IS ONE PROFESSIONAL L-CYSTEINE HCL MANUFACTURER, DISTRIBUTOR AND EXPORTER FROM CHINA, INQUIRY BY EMAIL: SALES@VIADDCHEM.COM
L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly use d as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.
【Basic Information】
【CAS No.】7048-04-6
【Specification】USP38,AJI92
【Molecular Formula】C3H10ClNO3S
【Formula Weight】175.63
【Apperance】white crystal or crystal powder with smelly sour
【Synonyms】L-Cys-OH HCl;L-Cys.HCl.H2O;H-Cys-OH¤HCl¤H;H-CYS-OH HCL H2O;CYSTEINE HCL H2O;L-Cys-OH·HCl·H2O;L-CYSTEINE HCL H2O;H-L-CYS-OH HCL H2O;L-CYSTEINE-HCL-H20;L-Cysteine.HCI.H2O
【Commercial Information】
【Delivery】Within 15 days of order date
【Payment】T/T, D/P, L/C
【Origin】China
【Brand】VIADD
【Supplier】Shenyang Viadd Chemical Co.,Ltd.
【Price Email】sales@viaddchem.com
【Packing】inner double layer plastic film, outer fiber can; 25kg/drum
【Shelf Life】in seal and dry place for 1 year
【Certificate】ISO,KOSHER,HALAL,GMP, MSDS, Material Data Sheet, Non GMO,Non Allergen
【Deliver Port】Tianjin/Qingdao
【Documents】Sales Contract, Commercial Invice, Packing List, Weight List, COA, , Cetificate of Origin, Healthey Certificate, FORM A, FORM E, Policy of Indusrance, B/L, Loading container photos, packing photos, shipping advice, etc
【Specifications】USP28,AJI92
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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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【Chemical Properties】
Melting point:175°C
refractive index: 6 ° (C=8, 1mol/L HCl)
storage temp.: Store at RT.
solubility H2O: 1 M at 20 °C, clear, colorless
form Solid
color White
PH0.8-1.2 (100g/l, H2O, 20℃)
Water Solubility Soluble in cold water.
Sensitive Hygroscopic
Merck 14,2781
BRN 5158059
Stability:Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride
【L-Cysteine hydrochloride monohydrate Preparation Products And Raw materials】
1.Preparation Products: N10-(TRIFLUOROACETYL)PTEROIC ACID-->(2,4-DIAMINOPTERIDIN-6-YL)METHANOL HYDROCHLORIDE HYDRATE
2.Raw materials:HYDROGEN SULFIDE-->L-Cystine-->L-Cysteine-->Tin granular
