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Date of Issue : Dec 1997 1. IDENTIFICATION
General Product Name : ANTIMONY TRIOXIDE Other Names : ANTIMONY WHITE ; ANTIMONY (III) OXIDE ANTIMONY OXIDE; ANTIMONIOUS OXIDE; DIANTIMONY TRIOXIDE UN No. : N/A Dangerous Goods Class : None Allocated Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : 6 Uses : Flameproofing of textiles, paper and plastics (chiefly polyvinyl chloride); paint pigments; ceramic opacifier; catalyst; intermediate; staining iron and copper; phosphors; mordant; glass decolouriser.
1.1 Physical Description / Properties
Appearance : White odourless, crystalline powder. Formula : Sb2O3 Boiling Point : 1425 deg C Melting Point : 655 deg C Vapour Pressure : N/A Specific Gravity : 5.67 (water = 1) Flash Point : N/A pH : N/A () Solubility in water : Insol g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : N/A Upper Explosion Limit : N/A 1.2 Other Properties
Insoluble in water, soluble in concentrated hydrochloric and sulphuric acids, strong alkalies. Amphoteric. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause slow pulse, low blood pressure, bloody stool, shallow breathing, coma, convulsion and possible death. Eye
Contact produces irritation, tearing, and burning pain. May cause conjunctivitis. Skin
Causes skin irritation. Repeated or prolonged skin contact may cause antimony measles characterised by itchy papules and pustules around the sweat and fat glands. Inhaled
Causes respiratory tract irritation. Inhalation of fumes may cause metal fume fever which is characterised by flu-like symptoms with metallic taste, fever, chills, cough, weakness, chest pain, muscle pain and increased white blood cell count. 2.2 Health Effects - Chronic
Prolonged inhalation may cause respiratory tract inflammation and lung damage. Prolonged or repeated skin contact may cause dermatitis. May cause cancer in humans.
2.3 First Aid
Swallowed
Induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Seek medical attention immediately.
Eye
Immediately flush eyes with plenty of water for at least 15 minutes occasionally lifting the uppe and lower lids. Seek medical attention.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Inhaled
Remove from exposure to fresh air immediately. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
The use of Dimercaprol or BAL (British Anti-Lewisite) as a chelating agent should be determined by qualified medical personnel. Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
Oral LD50 = >20,000 mg/kg (Rat) Dermal LD50 = not available Inhalation LC50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
Worksafe recommends the following exposure standard : Antimony trioxide, handling and use (as Sb) TWA : 0.5 mg/m3.
3.2 Engineering Controls
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissable exposure limits.
3.3 Personal Protection
Wear appropriate protective eyeglasses or chemcial safety goggles, butyl rubber gloves and boots, cotton overalls and all-purpose canister respirator. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking and using toilet facilities.
3.4 Flammability
Material is non-flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Transport or store in a cool, dry place away from incompatible substances. Minimise dust generation and accumulation. Avoid contact with heat, sparks and flame. No special transport or storage requirements.
4.2 Packaging / Labelling UN No. N/A Class None Allocated Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name ANTIMONY TRIOXIDE Hazard HARMFUL
Risk Phrases R22 Harmful if swallowed. R36/37/38 Irritating to eyes, respiratory system and skin.
Safety Phrases S22 Do not breathe dust. S36/37 Wear suitable protective clothing and gloves.
4.3 Spills and Disposal
Spills
Clean-up personnel should wear full protective clothing including self-contained breathing apparatus. Avoid raising dust. Remove all sources of ignition.
Vacuum or sweep up material and place into a suitable disposal container. DO NOT wash untreated material down the drain or sewer. If material is not contaminated, reuse the material.
Disposal
Purify and reuse, or dispose of in accordance with all Local, State and Federal regulations at an approved waste disposal facility.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Will not burn or explode. Material is stable. Incompatible with bromine trifluoride, acid, oxidisers, halogenated agents, and chlorinated rubber at high temperatures. Conditions to avoid include incompatible materials, ignition sources and excess heat. Hazardous decomposition products include antimony and antimony oxides. Hazardous polymerisation has not been reported.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. For small fires use dry chemical, carbon dioxide, water spray or alcohol-resistant foam type extinguishers. Use equipment/media appropriate to surrounding fire conditions. 5 OTHER INFORMATION
Other Information
96hr LD50 bluegill sunfish : >530 mg/L 96hr LD50 fathead minnow : >833 mg/L
5.1 Contact Points
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The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
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