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Mercaptoacetic acid sodium salt(367-51-1)

Mercaptoacetic acid sodium salt(367-51-1)
Product IdentificationBack to Contents
【Product Name】

Mercaptoacetic acid sodium salt
【Synonyms】

Acetic acid, mercapto, monosodium salt
Erhavit D
Mercaptoacetic acid sodium salt
Sodium mercaptoacetate
Thioglycolate sodium
Thioglycollic acid, sodium salt
【CAS】

367-51-1
【Formula】

C2H3NaO2S
【Molecular Weight】

114.1
【EINECS】

206-696-4
【RTECS】

AI7700000
【RTECS Class】

Tumorigen; Drug; Primary Irritant
【Merck】

12,4480
【Beilstein/Gmelin】

4569109
【EC Class】

toxic, irritant, sensitizing
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless crystals or white powder, slight characteristic odor, hygroscopic.
【Solubility in water】

1000 g/L (20 C)
【Melting Point】

220
【Usage】

Used in cold-waving of hair and as a dipilatory (merck).
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Material darkens on exposure to air. Store in a cool, dry area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.
Hazards IdentificationBack to Contents
【Inhalation】

Causes irritation of the mucous membrane and upper respiratory tract. May cause nausea, headache, and vomiting.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause headache.
【EC Risk Phrase】

R 22 36/37/38
【EC Safety Phrase】

S 22 26 36/37/39
【UN (DOT)】

3335
Exposure Controls/Personal ProtectionBack to Contents
【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 and clothing to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed.
【Poison Class】

3
Fire Fighting MeasuresBack to Contents
【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 spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

This material is probably combustible.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Wash area with soap and water. Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal temperatures and pressures. Substance undergoes color change upon exposure to air. Moisture sensitive.
【Incompatibilities】

Strong oxidizing agents, strong acids, iron, moisture, air.
【Decomposition】

Carbon monoxide, oxides of sulfur, carbon dioxide.
Transport InformationBack to Contents
【UN Number】

3335
【HS Code】

2930 90 70
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