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L-Cysteine hydrochloride monohydrate

L-Cysteine hydrochloride monohydrate
L-Cysteine hydrochloride monohydrate
CAS No.
7048-04-6
Chemical Name:
L-Cysteine hydrochloride monohydrate
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
CBNumber:
CB9694981
Molecular Formula:
C3H10ClNO3S
Formula Weight:
175.63
MOL File:
7048-04-6.mol

L-Cysteine hydrochloride monohydrate 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
PH
0.8-1.2 (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.
CAS DataBase Reference
7048-04-6(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
RTECS  HA2285000
3-10-23
TSCA  Yes
HS Code  29309013
Symbol(GHS):
Signal word:
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 monohydrate price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 1.02839 L-Cysteine hydrochloride monohydrate for biochemistry 7048-04-6 1028390025 $41.7 2018-11-23 Buy
Sigma-Aldrich 1.02839 L-Cysteine hydrochloride monohydrate for biochemistry 7048-04-6 1028390100 $68 2018-11-23 Buy
Sigma-Aldrich C3290000 Cysteine hydrochloride monohydrate European Pharmacopoeia (EP) Reference Standard 7048-04-6 c3290000 $179 2018-11-23 Buy
Sigma-Aldrich 1161509 L-Cysteine hydrochloride United States Pharmacopeia (USP) Reference Standard 7048-04-6 600mg $345 2018-11-23 Buy
Sigma-Aldrich 1.02839 L-Cysteine hydrochloride monohydrate for biochemistry 7048-04-6 1028391000 $433 2018-11-23 Buy

L-Cysteine hydrochloride monohydrate Chemical Properties,Uses,Production

Chemical Properties

white crystalline powder

Uses

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.

Definition

ChEBI: A hydrate that is the monohydrate form of L-cysteine hydrochloride.

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 monohydrate Preparation Products And Raw materials

Raw materials

Preparation Products


L-Cysteine hydrochloride monohydrate Suppliers

Global( 328)Suppliers
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View Lastest Price from L-Cysteine hydrochloride monohydrate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-08-09 L-Cysteine hydrochloride monohydrate
7048-04-6
US $1.00 / KG 1KG 98% 1ton

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