L-Cysteine hydrochloride anhydrous
9 Inquiries
52-89-1
Industrial Grade
99%
CUIKANG
G/bottle; Kg/bag; 25kg/barrel
2025-01-30
Cosmetics raw materials,Pesticide intermediate,Photoelectric material,pharmaceutical intermediates,Raw materials for food and health products,Polymer materials
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
L-(+)-Cysteine hydrochloride
Other Name:L-Cysteine,hydrochloride (1:1);Cysteine,hydrochloride,L-;L-Cysteine,hydrochloride;Cysteine chlorohydrate;Cysteine hydrochloride;Cystein chloride;L-(+)-Cysteine hydrochloride;(R)-Cysteine hydrochloride;WR 348;(R)-1-Carboxy-2-mercaptoethanaminium chloride;CSKE 200;(2R)-2-Amino-3-sulfanylpropanoic acid hydrochloride;122641-75-2;122882-13-7;124558-06-1;29844-56-2
CAS No.:52-89-1
Molecular Formula:C3H7NO2S.ClH
InChIKeys:InChIKey=IFQSXNOEEPCSLW-DKWTVANSSA-N
Molecular Weight:157.61900
Exact Mass:156.99600
EC Number:200-157-7
UNII:A9U1687S1S
DSSTox ID:DTXSID0020367
Color/Form:Colorless crystals|White crystals
HScode:2930909090
Categories:
Characteristics-
PSA:
102.12000
XLogP3:0.83040
Appearance:DryPowder
Melting Point:170-178 °C (decomp)
Boiling Point:293.9ºC at 760 mmHg
Flash Point:131.5ºC
Water Solubility:SOLUBLE
Storage Conditions:Store at RT.
Vapor Pressure:6.73X10-7 mm Hg at 25 °C (est)
Toxicity:LD50 intraperitoneal in mouse: 1250mg/kg
Henrys Law Constant:Henry's Law constant = 5.30X10-11 atm-cu m/mol at 25 °C (est)
Dissociation Constants:pK1 1.71 /carboxylic/; pK2 8.33 /amine/; pK3 10.78 /sulfide/
Experimental Properties:Readily oxidizes to form a dimeric amino acid, cystine, in which the two cysteines are linked via a disulfide bridge, a common structural feature in proteins. Amino Acids and Proteins, D.M. Greenberg, Ed. (Charles C. Thomas, Springfield, IL, 1951) 950 pp.|In neutral or slightly alkaline aqueous solution it is oxidized to cystine by air. More stable in acidic solutions.|MP (anhydrous): 178 °C (decomposes). Specific optical rotation: +6.53 deg at 25 °C/D (calculated as cysteine) (c = 2 in 5M HCl); solubility >100 (20 °C) g/100 g H2O /L-Cysteine hydrochloride monohydrate/|Hydroxyl radical reaction rate constant = 7.96X10-11cu cm/molecule-sec at 25 °C (est)
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Cosmetics raw materials,Pesticide intermediate,Photoelectric material,pharmaceutical intermediates,Raw materials for food and health products,Polymer materials
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Location:
D307, Zhuque Square Office Building, No. 14, Chang'an North Road, Beilin District, Xi'an City, Shaanxi Province
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Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
45
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Total Annual Revenue:
Less than $1 million
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Total Employees:
11-50
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Year of Establishment:
2023
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Certifications:
ISO,ISO,ISO
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Inquiry History9 Inquiries
Country Product Purchase Quantity Date Posted 
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Jan 17, 2024
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Dec 18, 2023
India
L-Cysteine hydrochloride
1000 KG Jan 14, 2026 
Bangladesh
L-Cysteine HCl
185 KG Oct 30, 2023
India
Zinc Oxide
15.00 MT Jan 17, 2024
India
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20.00 MT Jan 17, 2024
India
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100.00 KG Dec 18, 2023
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1.00 MT Jan 19, 2024
India
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