Cysteine Hydrochloride

HCID 60960CAS 52-89-1

基本情報

標準SMILES: Cl.N[C@@H](CS)C(=O)O
InChIKey: IFQSXNOEEPCSLW-DKWTVANSSA-N
分子式: C3H7NO2S.ClH
平均分子量: 157.62 g/mol
単同位体質量: 156.99642718

概要

L-cysteine hydrochloride is a hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride. It has a role as a flour treatment agent, an EC 4.3.1.3 (histidine ammonia-lyase) inhibitor and a human metabolite. It contains a L-cysteinium.

名称と識別子

優先名称: Cysteine Hydrochloride
IUPAC: (2R)-2-amino-3-sulfanylpropanoic acid;hydrochloride

名称と別名

Cystein chlorideCYSTEINE HYDROCHLORIDECysteine chlorhydratecysteine-hcl3-Mercaptoalanine hydrochlorideCysteine hydrochloride (anhydrous)CCRIS 3613Cysteine hydrochloride anhydrousNSC 8746EINECS 200-157-7WR 348UNII-A9U1687S1S

名称をさらに表示

EK 2367AI3-18781A9U1687S1SCysteine (as hydrochloride)CYSTEINE HYDROCHLORIDE, ANHYDROUSEC 200-157-7ELCYSNOURESS

データベース識別子

CAS: 52-89-1
PubChem CID: 60960
DTXSID: DTXSID0020367
ChEMBL: CHEMBL1200630
ChEBI: CHEBI:91247
UNII: A9U1687S1S
EC Number: 200-157-7

物性

構造計算による物性

極性表面積: 64.3 Å²
水素結合供与体数: 4
水素結合受容体数: 4
回転可能結合数: 2
重原子数: 8
形式電荷: 0
複雑度: 75.3

実験および物理化学的性質

Chemical Classes · 2 件

Biological Agents -> Amino Acids and Derivatives

Cosmetics · 2 件

Cosmetic ingredients (Cysteine HCl) -> CIR (Cosmetic Ingredient Review)

Antioxidant; Reducing

Food AdditivesDOUGH STRENGTHENER, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FLOUR TREATING AGENT, LEAVENING AGENT, NUTRIENT SUPPLEMENT -> FDA Substance added to food

Flavoring AgentsEU Flavoring substances

Human Drugs · 2 件

FDA approved drugs -> Active ingredient

Physical Description · 3 件

Dry Powder

Solid; [Sigma-Aldrich MSDS]

Hygroscopic solid; [Merck Index] White powder with an irritating odor; Hygroscopic; [Alfa Aesar MSDS]

安全と法規制

GHS分類

GHS Classification · 6 件

This chemical does not meet GHS hazard criteria for 8.7% (146 of 1677) of reports.

Warning

H319 (89.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)

Aggregated GHS information provided per 1677 reports by companies from 23 notifications to the ECHA C&L Inventory.

Warning

危険有害性情報

Regulatory Information · 5 件

Chemical: L-Cysteine, hydrochloride

Commission Regulation (EC) No 1565/2000 (Repealed by Com. Implementing Reg. (EU) No 872/2012)

L-Cysteine, hydrochloride (1:1) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of L-Cysteine, hydrochloride (1:1) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 07-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/5517

L-Cysteine, hydrochloride: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - L-Cysteine, hydrochloride: Environment tier I assessment

Hazards Summary · 2 件

A skin and strong eye irritant; [Sigma-Aldrich MSDS]

Causes other changes of the liver, kidney, and bladder and effects on lipids in 12-week oral studies of rats; [RTECS] A skin and strong eye irritant; [Alfa Aesar MSDS] See Cysteine.

Hazard Classes and Categories · 2 件

Eye Irrit. 2 (89.8%)

Acute toxicity (ingestion) - category 4

毒性情報

Toxicity SummarySafe in the present practices of use and concentration. Ingredient, concentration, and use information are available in documents discoverable at https://cir-reports.cir-safety.org

化学と産業

用途と製造

Uses · 3 件

CIR ingredient: Cysteine HCl

Cysteine is a non-essential amino acid that has been used as a dough conditioner and veterinary detoxicant; [Merck Index]

Cysteine is a non-essential amino acid that has been used as a dough conditioner and veterinary detoxicant; [Merck Index] Used as a flavoring agent, dough strengthener, nutritional supplement, flour treating agent, and leavening agent for foods; [FDA]

U.S. Production2023: 100,000 - <250,000 lb

Consumer UsesFragrance

Industry UsesNot Known or Reasonably Ascertainable

Household ProductsInformation on 1 consumer products that contain Cysteine Hcl in the following categories is provided:

Use ClassificationCosmetics -> Antioxidant; Reducing