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L-Cysteine hydrochloride anhydrous

L-Cysteine hydrochloride anhydrous
L-Cysteine hydrochloride anhydrous
CAS No.
52-89-1
Chemical Name:
L-Cysteine hydrochloride anhydrous
Synonyms
wr348;EK 2367;CYS, HCL;L-Cys·HCl;H-Cys-OH¤HC;L-β-mercapto;H-CYS-OH HCL;CYSTEINE HCL;L-Cystein HCL;L-CYSTEINE HCL
CBNumber:
CB6694980
Molecular Formula:
C3H8ClNO2S
Formula Weight:
157.62
MOL File:
52-89-1.mol

L-Cysteine hydrochloride anhydrous Properties

Melting point:
180°C
alpha 
5.5 º (c=8, 6 N HCL)
storage temp. 
Store at RT.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Solid
color 
White to light brown
Water Solubility 
SOLUBLE
Sensitive 
Hygroscopic
Merck 
14,2781
BRN 
3560277
Stability:
Stable, but light, moisture and air sensitive. Incompatible with strong oxidizing agents, some metals.
InChIKey
IFQSXNOEEPCSLW-DKWTVANSSA-N
CAS DataBase Reference
52-89-1(CAS DataBase Reference)
NIST Chemistry Reference
L-cysteine hydrochloride(52-89-1)
EPA Substance Registry System
L-Cysteine, hydrochloride(52-89-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  2
RTECS  HA2275000
3-10-23
TSCA  Yes
HS Code  29309013
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

L-Cysteine hydrochloride anhydrous price More Price(15)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 30120 L-Cysteine hydrochloride anhydrous, ≥99.0% (RT) 52-89-1 10g $33 2018-11-13 Buy
Sigma-Aldrich 30120 L-Cysteine hydrochloride anhydrous, ≥99.0% (RT) 52-89-1 50g $108 2018-11-13 Buy
Alfa Aesar L06328 L-Cysteine hydrochloride, anhydrous, 98% 52-89-1 25g $43.2 2018-11-13 Buy
Alfa Aesar L06328 L-Cysteine hydrochloride, anhydrous, 98% 52-89-1 100g $138 2018-11-13 Buy
Sigma-Aldrich C1276 L-Cysteine hydrochloride anhydrous, ≥98% (TLC) 52-89-1 100g $166 2018-11-20 Buy

L-Cysteine hydrochloride anhydrous Chemical Properties,Uses,Production

Chemical Properties

solid

Definition

ChEBI: A hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride.

Uses

As dough conditioner.

Purification Methods

Likely impurities are cystine and tyrosine. Crystallise the salt from MeOH by adding diethyl ether, or from hot 20% HCl. Dry it under vacuum over P2O5. Hygroscopic. [Beilstein 4 III 1580, 1600.]

L-Cysteine hydrochloride anhydrous Preparation Products And Raw materials

Raw materials

Preparation Products


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L-Cysteine hydrochloride anhydrous Spectrum


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