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L-Cysteine Hydrochloride (Hcl) Monohydrate 99.6%

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CAS No.:

7048-04-6

Grade:

Food Grade

Content:

99.6%

Port:

Shanghai

Brand:

Weihe

Packaging:

25kg/Drum

Price valid (until):

2025-04-23

Contact Supplier

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Henan Weihe Biological Engineering Co.,Ltd.

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

N-Acetyl-L-Cysteine,L-Cysteine,L-Cysteine HCL Monohydrate,L-Cysteine HCL Anhydrous

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Product Description
Seller Information
Inquiry History

Description

Shop High Qulity L-Cysteine Hydrochloride Monohydrate CAS 7048-04-6-Detailed Image 1

L-Cysteine HCL monohydrate Detail

L-Cysteine hydrochloride monohydrate is mainly used in the field of food additives. As a fermentation promoter for noodle products, it accelerates the formation of gluten and prevents aging. Bread improver, nutritional supplement, antioxidant, color protectant. It has detoxification effect on aromatic poisoning, preventing radiation damage, treating bronchitis and resolving phlegm,. L-cysteine hydrochloride monohydrate can be used as additive for medicine, food and cosmetics.

Following is our specifications for your reference.

Items	Specifications
Appearance	White crystalline powder
Identification	Infrared absorption
State of solution（Transmittance）	≥98.0%
Specific rotation [α]D20	+5.5 ~ +7.0°
Other Amino acids	≤0.5%
Assay	98.5~101.0%
Loss on Drying	8.0~12.0%
Chloride	19.8-20.8%
Sulfate	≤0.03%
Ammonium	≤0.02%
Iron	≤10ppm
Heavy metals	≤10ppm
Arsenic	≤1ppm
PH	1.5-2.0
Residue on ignition	≤0.1%
Agree with AJI92, USP

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Who we are?

Weihe Biotech has Anhui Weihe production base, and Henan Weihe Biological Engineering Co.,Ltd. It is a national high-tech enterprise and a national technological innovation demonstration enterprise specializing in the research and development, production, and sale of fermented Amino acids and Vitamin nutritional fortifiers.
Company has strong technical force, has a reputation in the amino acid industry of technical experts and capable and efficient management team, the use of plant raw material fermentation method to produce a series of small varieties of amino acids. Its production process through green transformation and physical purification, without harmful chemical residues, the waste liquid wastewater produced through comprehensive utilization into waste into treasure, the formation of a circular industrial chain.

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What could we do?

1. Support sample orders for your trial production. And after the sample approved, we can negotiate for commercial order.

2. Provide customized materials according to your specification demands.

3. Various payment methods are available.

4. Our products are sold worldwide, like Europe, North&South America, Asia and pacific area as well as Africa, we are aiming to establish long term cooperation with our clients.

5. 7 DAYS 24 HOURS service. In time and clear response to customers questions. 100% guaranteed aftersales service, we are happy to provide guidance or solutions during your consumption.

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Certificates

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:
N-Acetyl-L-Cysteine,L-Cysteine,L-Cysteine HCL Monohydrate,L-Cysteine HCL Anhydrous

Location:
Building 1, Greenland Binhu International city, South Unive

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

Average lead Time:
7

Total Annual Revenue:
$25 million-$50 million

Total Employees:
51-100

Year of Establishment:
2020

Henan Weihe Biological Engineering Co., Ltd. is a modern enterprise focusing on Research&Development and manufacture of Amino Acids and derivatives. Professional production of L-Cysteine, L-Cysteine Hydrochloride, N-Acetyl-L-Cysteine and other products. Henan Weihe, with a strict quality assurance system and has passed ISO 9001, as well as KOSHER and HALAL certification. Products confirm with the international and domestic quality standards, such as USP, BP, EP, AJI, FCC, etc.

Henan Weihe Biological Engineering Co., Ltd. relies on superb technical team, advanced production equipment, strict management system, fine manufacturing process, stable product quality, and has won the trust and praise of customers with its multi-variety management characteristics, more professional and modern praise.

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 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
Vietnam	L-Cysteine Hcl Monohydrate AJI USP with GMP Kosher halal	100 KG	Jul 28, 2023

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