Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Documentation status
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
Identity
CAS Number
10318-18-0
Chemical name
DL-Cysteine, hydrochloride
Molecular formula
C3H8ClNO2S
Molecular weight
157.62 g/mol
Synonyms
DL-Cysteine hydrochloride; 2-amino-3-mercaptopropanoic acid hydrochloride; 2-amino-3-sulfanylpropanoic acid hydrochloride; DL-Cysteine hydrochloride anhydrous; H-D-Cys-OH HCl HO; (R)-2-Amino-3-mercaptopropanoic acid hydrochloride; (+-)-Cysteine hydrochloride; H-DL-Cys-OH.HCl; CYSTEINE, HYDROCHLORIDE, DL-; Cysteine chlorohydrate; L-Cystein-hydrochloride; (2S)-2-amino-3-sulfanyl-propanoic acid hydrochloride
InChIKey
IFQSXNOEEPCSLW-UHFFFAOYSA-N
PubChem CID
25150
Hazard / GHS Reference
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
Handling & PPE
- Closed. Dry. Store in a well-ventilated area. Recommended storage conditions: Lightproof, sealed, dry, room temperature
- Use a P95 (US) or P1 (EU UK 143) particulate respirator if exposed to hazardous environments. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU UK 143) gas filter. Respirators and parts must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
- Dispose of the remaining and non-recyclable solution to a licensed company. Contact a professional institution with a waste disposal license to handle this substance. Mix with flammable solvents or combine, and burn the contaminated packaging in a chemical incinerator with post-combustion and washing functions. Contaminated packaging is disposed of as unused product.
First Aid / Accidental Release
- Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
- If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
- Rinse with plenty of water for at least 15 minutes and consult a physician.
- Wash with soap and plenty of water. Consult a physician.
- Do not generate dust when collecting and disposing. Sweep up and shovel. Place in a suitable closed container for disposal.
- Use personal protective equipment. Avoid dust generation. Avoid inhalation of vapors, mists or gases. Ensure adequate ventilation. Evacuate personnel to a safe area. Avoid inhalation of dust. See
- Do not allow the product to enter drains.
- Dispose of the remaining and non-recyclable solution to a licensed company. Contact a professional institution with a waste disposal license to handle this substance. Mix with flammable solvents or combine, and burn the contaminated packaging in a chemical incinerator with post-combustion and washing functions. Contaminated packaging is disposed of as unused product.
Firefighting / Stability
- Wear a self-contained breathing apparatus in firefighting situations.
- and reaction activity
- carbon monoxide, carbon dioxide, hydrogen chloride, nitrogen oxides, sulfur oxides
Physical and Chemical Reference
Physical property reference values are not available in the current MolGraph catalog record.
Transport / Shipment Review
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.
- Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.