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Date of Issue : NOV 1996 1. IDENTIFICATION
General Product Name : ARSENIC TRIOXIDE Other Names : ARSENIC TRIOXIDE ; CRUDE ARSENIC ; WHITE ARSENIC ARSENIOUS ACID ; ARSENIOUS OXIDE ; ARSENOUS ANHYDRIDE UN No. : 1561 Dangerous Goods Class : 61a Subsidiary Risk : None Allocated Hazchem Code : 2Z Pack Group : II EPG : 6A5 Poisons Schedule : 7 Uses : Pigments, ceramic enamels, aniline colours, decolourising agent in glass, insecticide, rodenticide, herbicide, sheep and cattle dip, hide preservative, wood preservative, preparation of other arsenic compounds.
1.1 Physical Description / Properties
Appearance : White odourless, tasteless powder. Formula : As2O3 Boiling Point : 457 deg C Melting Point : 315 deg C Vapour Pressure : N/A Specific Gravity : 3.87 (water = 1) Flash Point : N/A pH : () Solubility in water : < 10 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
Slightly soluble in water, soluble in acids and alkalies, soluble in glycerol. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Ingestion is harmful and may be fatal. Ingestion may cause nausea, vomiting, paralysis. May also cause gastrointestinal irritation. Eye
Contact with eyes may cause irritation. Skin
Contact with skin may cause irritation. Inhaled
Inhalation of vapours may cause headache, nausea, vomiting, dizziness, drowsiness, irritation of respiratory tract, and loss of consciousness. 2.2 Health Effects - Chronic
Target organs are liver, kidneys, skin, lungs, lymphatic system. Routes of entry are inhalation, absorption, eye contact, skin contact, or ingestion.
2.3 First Aid
Swallowed
If swallowed and only if patient is conscious - induce vomiting. Seek immediate medical attention.
Eye
Wash eyes thoroughly with plenty of running water for at least 15 minutes, holding eyelids open. Seek medical attention.
Skin
Wash affected areas thoroughly with copious amounts of soap and water for at least 15 minutes. Seek medical attention.
Inhaled
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult give oxygen. Seek immediate medical attention.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
Oral LD50 = 15.1 mg/kg (Rat) ; 1.43 mg/kg (Man) ; 4 mg/kg (Rabbit) 10 mg/kg (Dog) ; 45 mg/kg (Mouse) Dermal LD50 = not available
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
Arsenic trioxide production, as As (*) = no limit established by Worksafe . Carcinogen Category 1 - established human carcinogen. (*) For a few substances, usually the more potent probable and established human carcinogens, it is not currently possible to assign an appropriate exposure standard. For these substances, exposure should be controlled to the lowest practicable level.
3.2 Engineering Controls
Use general or local exhaust ventilation to control exposure to a minimum.
3.3 Personal Protection
Respiratory - none required where adequate ventilation conditions exist, however it is recommended. If airborne concentration exceeds acceptable levels a dust/mist respirator is recommended. If concentration exceeds capacity of respirator, a self-contained breathing apparatus is advised. Eye/Skin - safety goggles, uniform/overalls, apron, proper gloves are recommended. Other - wear adequate protective clothing to minimise exposure to product at all times. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking or using toilet facilities. Avoid raising dust.
3.4 Flammability
Material is not flammable. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Keep containers tightly closed. Store in a secure poison area. Store or transport in accordance with all applicable regulations regarding Class 6.1 Dangerous Goods.
4.2 Packaging / Labelling UN No. 1561 Class 61a Sun Risk None Allocated Hazchem Code 2Z Pack Group II EPG No. 6A5 Shipping Name ARSENIC TRIOXIDE Hazard TOXIC
Risk Phrases R28 Very toxic if swallowed. R34 Causes burns. R45 May cause cancer.
Safety Phrases S45 In case of accident or if you feel unwell, contact a doctor or immediately (show the label where possible). S53 Avoid exposure - obtain special instructions before use.
4.3 Spills and Disposal
Spills
Avoid raising dust. Clean up personnel should wear full protective clothing including self-contained breathing apparatus. DO NOT allow product to enter drains or waterways without pretreatment.
Disposal
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
Material sublimes on heating. Material is stable under normal conditions of use and temperatures. Hazardous polymerisation will not occur. Incompatible with strong oxidising agents, chemically active metals and aluminium.
Extinguishing Media
Use media/equipment appropriate to surrounding fire conditions. Fire-fighters should wear full protective clothing including self-contained breathing apparatus. 5 OTHER INFORMATION
Other Information
DO NOT allow product to enter drains, sewers or water courses.
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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