L-Cysteine hydrochloride hydrate, 98.5-101.5%

CAS NO.：345909-32-2
Empirical Formula: C3H10ClNO3S
Molecular Weight: 175.6344
MDL number: MFCD00065606
EINECS: 629-054-9
SAFETY DATA SHEET (SDS)
Update Date: 2026-09-12 18:53:35

What is L-Cysteine hydrochloride hydrate, 98.5-101.5%?

Chemical properties

White crystalline powder or colorless crystals

The Uses of L-Cysteine hydrochloride hydrate, 98.5-101.5%

is the Hydrated form of L-Cysteine(C995000). 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 used 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. Acetylcysteine EP Impurity B

Definition

ChEBI: 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.

Properties of L-Cysteine hydrochloride hydrate, 98.5-101.5%

storage temp.	2-8°C
optical activity	[α]23/D +5.2°, c = 2 in 5 M HCl

Safety information for L-Cysteine hydrochloride hydrate, 98.5-101.5%

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for L-Cysteine hydrochloride hydrate, 98.5-101.5%

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