Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- L-Cysteine hydrochloride hydrate
- Product Code
- AC111780000, AC111780050, AC111781000, AC111785000
Regulatory Identifiers
- CAS Number
- 345909-32-2 Check regulations →
Identified Uses
Laboratory chemicals.
Uses advised against
Food, drug, pesticide or biocidal product use.
Manufacturers & Suppliers
Fisher Scientific Company
manufacturer
One Reagent Lane, Fair Lawn, NJ 07410
(201) 796-7100
Acros Organics
manufacturer
One Reagent Lane, Fair Lawn, NJ 07410
Emergency Contacts
Emergency Contact
001-800-227-6701
Emergency Contact
+32 14 57 52 11
Emergency Contact
001-201-796-7100
Emergency Contact
+32 14 57 52 99
CHEMTREC
001-800-424-9300
CHEMTREC
001-703-527-3887
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS07
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| L-Cysteine hydrochloride hydrate | 345909-32-2 | 100% | No |
First Aid Measures
Emergency procedures for chemical exposure incidents
Remove to fresh air. If not breathing, give artificial respiration.
Wash off immediately with plenty of water for at least 15 minutes.
Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.
Do NOT induce vomiting.
Immediate Medical Attention
Get medical attention.
Medical Treatment
Treat symptomatically
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
Water spray. Carbon dioxide (CO₂). Dry chemical. Chemical foam.
No information available
Keep product and empty container away from heat and sources of ignition.
Firefighter Protection
As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Do not let this chemical enter the environment.
Sweep up and shovel into suitable containers for disposal.
Materials: suitable containers
Related Products
Similar products with comparable safety profiles
L-(+)-Cysteine Hydrochloride Monohydrate (Reagent)
CAS: 7048-04-6
Cysteamine hydrochloride
CAS: 156-57-0
L-Lysine hydrochloride
CAS: 657-27-2
L-Histidine monohydrochloride monohydrate
CAS: 5934-29-2
L-Lysine monohydrochloride
CAS: 657-27-2
N-Acetyl-L-cysteine
CAS: 616-91-1
N-Acetyl-L-cysteine
---
Calcium L-lactate hydrate
CAS: 41372-22-9
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Avoid contact with skin and eyes. Do not breathe dust. Ensure adequate ventilation. Wear personal protective equipment/face protection.
Keep in a dry, cool and well-ventilated place. Keep container tightly closed. Keep under nitrogen.
Avoid contact with skin and eyes.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Ensure adequate ventilation, especially in confined areas. Ensure that eyewash stations and safety showers are close to the workstation location.
Wear appropriate protective gloves
Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
No protective equipment is needed under normal use conditions.
Wear appropriate protective gloves and clothing to prevent skin exposure.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable under normal conditions. Hygroscopic. Air sensitive.
None known, based on information available
None under normal processing. Hazardous polymerization does not occur.
Exposure to air. Incompatible products. Exposure to moist air or water.
Strong oxidizing agents, Metals
Nitrogen oxides (NOx), Carbon monoxide (CO), Carbon dioxide (CO2), Hydrogen chloride gas
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
Ecotoxicity
Do not empty into drains.
Persistence and Degradability
Soluble in water; persistence is unlikely based on information available.
Bioaccumulation/ Accumulation
No information available.
Mobility
The substance is likely to be mobile in the environment due to its water solubility.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
Regulatory Information
Chemical regulations, safety assessments, and compliance status
Frequently Asked Questions
Common questions about safety, handling, and properties
What is the hazard signal word for L-Cysteine hydrochloride hydrate?
The signal word is warning.
What is the physical form of L-Cysteine hydrochloride hydrate?
L-Cysteine hydrochloride hydrate is a solid with white color. It has odorless odor.
What is L-Cysteine hydrochloride hydrate used for?
Laboratory chemicals.
What are the hazard statements for L-Cysteine hydrochloride hydrate?
This substance has 3 hazard statements:
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
What is the melting point of L-Cysteine hydrochloride hydrate?
The melting point is 175 °C / 347 °F and the boiling point is No information available.