Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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DL-Cysteine hydrochloride(10318-18-0)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
DL-Cysteine hydrochloride
Synonyms
(+/-)-Cysteine hydrochloride
2-Amino-3-sulfanylpropanoic acid hydrochloride
CAS
10318-18-0
Formula
C3H7NO2S.ClH
Molecular Weight
157.62
EINECS
233-698-2
RTECS
HA2200000
RTECS Class
Reproductive Effector
Beilstein/Gmelin
4150473
Beilstein Reference
4-04-00-03145

Physical and Chemical Properties

Appearance
White solid.
Melting Point
>180
Density
>1.0 g/cm3 (20 C)
Usage
L form is a nonessential amino acid in humans. Important in protein crosslinking.

First Aid Measures

Ingestion
Wash mouth out with water. Get medical aid if irritation or symptoms occur.
Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.

Handling and Storage

Storage
Store in a cool, dry place. Keep container closed when not in use. No special precautions indicated.
Handling
Wash hands before eating. Minimize dust generation and accumulation. Use with adequate ventilation.

Hazards Identification

Ingestion
Expected to be a low ingestion hazard.
Inhalation
Low hazard for usual industrial handling.
Skin
Non-irritating to the skin.
Eyes
May cause mild eye irritation.

Exposure Controls/Personal Protection

Personal Protection
Eyes: 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. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.

Accidental Release Measures

Small spills/leaks
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
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