SODIUM HYDROGENSULFIDE | ICSC: 1710 (April 2008) |
Sodium bisulfide Sodium mercaptan Sodium mercaptide Sodium hydrosulfide Sodium sulfhydrate |
CAS #: 16721-80-5 |
UN #: see Notes |
EC Number: 240-778-0 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Combustible. Gives off irritating or toxic fumes (or gases) in a fire. | NO open flames. | Use water spray, foam, powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water. NO direct contact with water. |
AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Sore throat. Burning sensation. Shortness of breath. Laboured breathing. Unconsciousness. | Use local exhaust or breathing protection. | Half-upright position. Artificial respiration may be needed. Refer immediately for medical attention. |
Skin | Redness. Pain. Skin burns. | Protective gloves. Protective clothing. | Rinse skin with plenty of water or shower. Refer immediately for medical attention. |
Eyes | Redness. Pain. Burns. | Wear safety goggles or eye protection in combination with breathing protection. | Rinse with plenty of water (remove contact lenses if easily possible). Refer immediately for medical attention. |
Ingestion | Sore throat. Burns in mouth and throat. Abdominal pain. Vomiting. Shock or collapse. | Do not eat, drink, or smoke during work. | Rinse mouth. Give one or two glasses of water to drink. Do NOT induce vomiting. Refer immediately for medical attention. |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Personal protection: particulate filter respirator adapted to the airborne concentration of the substance and filter respirator for inorganic gases and vapours adapted to the airborne concentration of the substance. Sweep spilled substance into covered plastic containers. Then store and dispose of according to local regulations. |
According to UN GHS Criteria DANGER
Fatal if swallowedToxic in contact with skin Causes severe skin burns and eye damage May cause respiratory irritation Transportation |
STORAGE | |
Fireproof. Dry. Keep in a well-ventilated room. Separated from acids and strong oxidants. | |
PACKAGING | |
Do not transport with food and feedstuffs. |
SODIUM HYDROGENSULFIDE | ICSC: 1710 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: NaHS |
EXPOSURE & HEALTH EFFECTS | |
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Routes of exposure
Effects of short-term exposure
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Inhalation risk
Effects of long-term or repeated exposure
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OCCUPATIONAL EXPOSURE LIMITS |
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ENVIRONMENT |
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NOTES |
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CAS No for sodium hydrogensulfide hydrate is 207683-19-0. UN 2318 refers to SODIUM HYDROSULFIDE with less than 25% water of crystallization; Hazard Class 4.2, Packing Group II. UN 2949 refers to SODIUM HYDROSULFIDE, hydrated with not less than 25% water of crystallization; Hazard Class 8 (corrosive), Packing Group II Immediate administration of an appropriate inhalation therapy by a doctor, or by an authorized person, should be considered. |
ADDITIONAL INFORMATION | ||
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EC Classification |
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See Also: Toxicological Abbreviations