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L-Cysteine hydrochloride monohydrate Dideu

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CAS No.:

7048-04-6

Port:

shanghai

Packaging:

25KG/BAG

Price valid (until):

2026-01-02

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Shaanxi Dideu Medichem Co. Ltd

Company Type:

Manufactory

Location:

China

Payment Terms:

TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average Lead Time:

7 days

Qualification:

Main Products:

Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Product Overview

L-Cysteine Hydrochloride Monohydrate is a naturally occurring amino acid derivative widely used in the pharmaceutical, food, and cosmetic industries. It is the hydrochloride salt of L-cysteine and is commonly used as a source of cysteine in both organic synthesis and nutrition. Due to its thiol group, L-Cysteine is known for its antioxidant properties and is essential for the synthesis of glutathione, an important cellular antioxidant.

Main Applications

Pharmaceutical and Nutraceutical Industry
Used as a precursor for the synthesis of acetylcysteine, a well-known mucolytic agent used to treat respiratory diseases such as chronic obstructive pulmonary disease (COPD) and bronchitis.
Cosmetics and Personal Care
L-Cysteine is a key ingredient in hair care products, contributing to hair keratin production and promoting hair growth. It is also used for its skin rejuvenating and antioxidant properties.
Food and Beverage Industry
Used as a food additive and flavoring agent, contributing to the formation of savory flavors in processed foods.
Antioxidant & Detoxification
As a precursor to glutathione, L-Cysteine is widely used for its detoxification properties and its ability to support liver health.
Research and Synthesis
Utilized in peptide synthesis, biochemistry research, and as a building block in pharmaceutical formulations.

Product Features

High Purity Available: ≥98%
Solubility: Easily soluble in water, highly stable in aqueous solutions
Antioxidant Properties: Supports detoxification and immune system function
Broad Compatibility: Suitable for use in pharmaceutical, nutraceutical, cosmetic, and food-grade applications
Reliable Source: Produced under controlled conditions to meet strict quality standards

Packaging & Storage

Packaging: 1 kg, 5 kg, 25 kg, or customized
Storage: Store in a cool, dry place, away from light and moisture
Shelf Life: 24 months under proper storage conditions
Transport: Standard chemical transport methods

Why Choose Us

Reliable Supplier: We offer factory-direct, stable supply with competitive pricing
Custom Orders: We support bulk orders, custom packaging, and private label services
Technical Support: Full documentation including COA, MSDS, and TDS available
Quality Assurance: Strict quality control and rigorous testing for purity and consistency

ECHEMI Editorial Reference

white crystalline powder
L-cysteine hydrochloride hydrate is a hydrate that is the monohydrate form of L-cysteine hydrochloride. 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-cysteine hydrochloride.

Basic Info

Product Name:

L-Cysteine, hydrochloride, monohydrate

Other Name:

L-Cysteine,hydrochloride,hydrate (1:1:1);Cysteine,hydrochloride,monohydrate,L-;L-Cysteine,hydrochloride,monohydrate;Cysteine hydrochloride monohydrate;Cysteine monohydrate hydrochloride;Cysteine hydrochloride

CAS No.:

7048-04-6

Molecular Formula:

C3H7NO2S.ClH.H2O

InChIKeys:

InChIKey=QIJRTFXNRTXDIP-JIZZDEOASA-N

Molecular Weight:

175.63

Exact Mass:

175.007

BRN:

5158059

EC Number:

200-157-7

UNII:

ZT934N0X4W

HScode:

29309013

Categories:

Nutrition Supplements

Characteristics

PSA:

65.3

XLogP3:

0.76610

Appearance:

White Solid

Density:

1.51 g/cm³

Melting Point:

175°C

Boiling Point:

293.9ºC at 760 mmHg

Flash Point:

131.5ºC

Refractive Index:

6 ° (C=8, 1mol/L HCl)

Water Solubility:

H2O: 1 M at 20 °C, clear, colorless

Storage Conditions:

Store at RT.

Vapor Pressure:

<0.1 hPa (20 °C)

See More L-Cysteine, hydrochloride, monohydrate Properties 

Hazard Identification

Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions 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.

See More L-Cysteine, hydrochloride, monohydrate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

Location:
https://www.dideu.com/en/

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7 days

Total Annual Revenue:
Above $100 million

Total Employees:
Above 1000

Year of Establishment:
2016

Company Certificates
- ISO Certificate
- REACH
Company Profile
">Company Profile

Inquiry History

9 Inquiries

Country	Product	Purchase Quantity	Date Posted
Brazil	Vegetarian L-Cysteine monohydrate CAS 7048-04-6	25 KG	Mar 31, 2026
Brazil	L-Cysteine HCl Monohydrate	1 MT	Mar 29, 2026
Bangladesh	L-Cysteine HCl Monohydrate	185 KG	Oct 30, 2023
Egypt	L-Cysteine hydrochloride monohydrate	1000 KG	Dec 1, 2025
Switzerland	L-Cysteine HCl Monohydrate	1 KG	Aug 29, 2025
India	L-cysteine hydrochloride	1 KG	Sep 8, 2026
India	L- Cysteine HCl Monohydrate	25.00 KG	Oct 13, 2025
India	L-Cysteine hydrochloride monohydrate	200 KG	Aug 31, 2025
Azerbaijan	L Cysteine Hydrochloride Monohydrate	3 KG	May 24, 2024

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