Pure Powder L-Cysteine HCl Hydrochloride Anhydrous
TDS 9 Inquiries
52-89-1
Cosmetics Grade
99%
QINGDAO
BM
25
Yes
2026-11-30
Propylene Glycol,Glycerol,sodium metabisulfite,Propylene carbonate,EDTA,dmdm hydantoin
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial Referencesolid
DryPowder
L-cysteine hydrochloride is a hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride. It has a role as an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor, a flour treatment agent and a human metabolite. It contains a L-cysteinium.|Acetylcysteine, also known as N-acetylcysteine (NAC), is a modified amino acid that is used as an antidote for acetaminophen overdose to prevent hepatic injury. Acetylcysteine is a hepatoprotective agent and has not been linked to significant serum enzyme elevations during therapy or to instances of clinically apparent acute liver injury.|A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.Certificates-
TDS
Basic Info-
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:
Propylene Glycol,Glycerol,sodium metabisulfite,Propylene carbonate,EDTA,dmdm hydantoin
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Location:
weifang
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Payment Terms:
TT against copy of documents
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Average lead Time:
60 days
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
101-200
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Year of Establishment:
2005
Company Certificates-
Foreign trade operation registration form
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certification
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Inquiry History9 Inquiries
Country Product Purchase Quantity Date Posted
India
L-Cysteine hydrochloride
1000 KG Jan 14, 2026
India
Dibenzoyl peroxide
1.00 MT Jan 19, 2024
India
Zinc Oxide
15.00 MT Jan 17, 2024
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Jan 17, 2024
India
Magnesium Oxide
20.00 MT Jan 17, 2024
India
L-Tyrosine
100.00 KG Dec 18, 2023
India
L-Cysteine hydrochloride Anhydrous
100.00 KG Dec 18, 2023
India
L-Lysine Monohydrochloride
100.00 KG Dec 18, 2023
Bangladesh
L-Cysteine HCl
185 KG Oct 30, 2023 Post an enquiry for this product
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