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Date of peer-review: March 2001
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| TYPES OF HAZARD / EXPOSURE | ACUTE HAZARDS / SYMPTOMS | PREVENTION | FIRST AID / FIRE FIGHTING |
| FIRE |
Not combustible but enhances combustion of other substances. Gives off irritating or toxic fumes (or gases) in a fire.
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NO contact with reducing agents.
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In case of fire in the surroundings: all extinguishing agents allowed.
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| EXPLOSION |
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| EXPOSURE |
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PREVENT DISPERSION OF DUST! AVOID ALL CONTACT!
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IN ALL CASES CONSULT A DOCTOR!
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| Inhalation |
Cough.
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Avoid inhalation of fine dust and mist. Local exhaust or breathing protection.
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Fresh air, rest. Refer for medical attention.
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| Skin |
MAY BE ABSORBED! Redness.
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Protective gloves. Protective clothing.
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Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
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| Eyes |
Redness.
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Safety goggles, or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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| Ingestion |
Abdominal pain. Diarrhoea. Nausea. Vomiting.
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Do not eat, drink, or smoke during work. Wash hands before eating.
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Rinse mouth. Give plenty of water to drink. Rest. Refer for medical attention.
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| SPILLAGE DISPOSAL | PACKAGING & LABELLING | |||||||
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place. Do NOT let this chemical enter the environment. (Extra personal protection: P3 filter respirator for toxic particles.)
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Unbreakable packaging; put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs. Severe marine pollutant. EU Classification Symbol: T+, N R: 26/27/28-33-50/53 S: (1/2-)13-28-45-60-61 Note: A UN Classification UN Hazard Class: 6.1 UN Pack Group: II | |||||||
| EMERGENCY RESPONSE | STORAGE | |||||||
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Transport Emergency Card: TEC (R)-61G64b
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Separated from food and feedstuffs, reducing agents, chlorine and other reactive substances. See Chemical Dangers. Keep in the dark.
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| IMPORTANT DATA | |||
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PHYSICAL STATE; APPEARANCE: YELLOW OR, ORANGE-YELLOW OR, RED, HEAVY CRYSTALLINE POWDER. CHEMICAL DANGERS: The substance decomposes on exposure to light, on heating above 500°C producing highly toxic fumes including mercury and oxygen, which increases fire hazard. Reacts violently with reducing agents, chlorine, hydrogen peroxide, magnesium (when heated), disulfur dichloride and hydrogen trisulfide. Shock-sensitive compounds are formed with metals and elements such as sulfur and phosphorus. OCCUPATIONAL EXPOSURE LIMITS: TLV (as Hg): 0.025 mg/m^3 A4 (skin) (ACGIH 2000). |
ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion. INHALATION RISK: Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed. EFFECTS OF SHORT-TERM EXPOSURE: The substance is irritating to the eyes, the skin and the respiratory tract. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: The substance may have effects on the kidneys, resulting in kidney impairment. | ||
| PHYSICAL PROPERTIES | |||
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Melting point (decomposes): 500°C Density: 11.1 g/cm^3 Solubility in water: none |
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| ENVIRONMENTAL DATA | |||
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In the food chain important to humans, bioaccumulation takes place, specifically in aquatic organisms. It is strongly advised not to let the chemical enter into the environment.
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| NOTES | |||
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Depending on the degree of exposure, periodic medical examination is indicated. Do NOT take working clothes home. Red and Yellow mercuric oxide are common names.
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| ADDITIONAL INFORMATION | |||
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| © IPCS, CEC 2001 | |||
See Also:
Toxicological Abbreviations