|ACUTE HAZARDS / SYMPTOMS||PREVENTION||FIRST AID / FIRE FIGHTING|
|FIRE||Not combustible. Many reactions may cause fire or explosion. Gives off irritating or toxic fumes (or gases) in a fire.||NO contact with flammables. NO contact with bases, combustible substances, reducing agents or water.||NO hydrous agents. NO water. In case of fire in the surroundings, use appropriate extinguishing media.|
|EXPLOSION||Risk of fire and explosion on contact with bases, combustible substances, reducing agents or water.||In case of fire: keep drums, etc., cool by spraying with water. NO direct contact of the substance with water.|
|EXPOSURE||PREVENT GENERATION OF MISTS! AVOID ALL CONTACT!||IN ALL CASES CONSULT A DOCTOR!|
|Inhalation||Burning sensation. Cough. Laboured breathing. Shortness of breath. Sore throat. Symptoms may be delayed. See Notes.||Use ventilation, local exhaust or breathing protection.||Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.|
|Skin||Redness. Serious skin burns. Pain. Blisters.||Protective gloves. Protective clothing.||Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .|
|Eyes||Redness. Pain. Blurred vision. Severe deep burns.||Wear face shield or eye protection in combination with breathing protection.||First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.|
|Ingestion||Abdominal pain. Burning sensation. Nausea. Vomiting. Shock or collapse.||Do not eat, drink, or smoke during work.||Rinse mouth. Do NOT induce vomiting. Give one or two glasses of water to drink. Refer for medical attention .|
|PACKAGING & LABELLING|
|Evacuate danger area! Consult an expert! Ventilation. Personal protection: chemical protection suit including self-contained breathing apparatus. NEVER direct water jet on liquid. Do NOT absorb in saw-dust or other combustible absorbents. Collect leaking and spilled liquid in covered plastic containers as far as possible. Absorb remaining liquid in dry sand or inert absorbent. Then store and dispose of according to local regulations. Do NOT let this chemical enter the environment.||
Put breakable packaging into closed unbreakable container.
Do not transport with food and feedstuffs.
Symbol: C; R: 14-35-37; S: (1/2)-26-30-45; Note: B
UN Hazard Class: 8; UN Subsidiary Risks: 6.1; UN Pack Group: I
|EMERGENCY RESPONSE||SAFE STORAGE|
Transport Emergency Card: TEC (R)-80S1831.
NFPA Code: H3; F0; R2; W.
|Separated from food and feedstuffs and incompatible materials. See Chemical Dangers. Dry. Cool. Ventilation along the floor.|
Physical State; Appearance
COLOURLESS-TO-BROWN FUMING VISCOUS OILY HYGROSCOPIC LIQUID WITH CHARACTERISTIC ODOUR.
Occupational exposure limits
Routes of exposure
The substance can be absorbed into the body by inhalation.
Effects of short-term exposure
Effects of long-term or repeated exposure
|PHYSICAL PROPERTIES||ENVIRONMENTAL DATA|
Boiling point: see Notes
Melting point: see Notes
Relative density (water = 1): 1.9
Solubility in water: miscible, reaction
Vapour pressure: see Notes
Relative vapour density (air = 1): 3-3.3
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01-1.3
|The substance is harmful to aquatic organisms.|
The amount of free sulfur trioxide may vary, which can change the physical properties, and therefore no figure for the molecular weight is given.
Boiling points of solutions (% SO_3): 138°C (20% ), 116°C (30%), 60°C (65%).
Melting points (% SO_3): 2°C (20%), 21°C (30%), 5°C (65%).
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort.
Rest and medical observation is therefore essential.
Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered.
NEVER pour water into this substance; when dissolving or diluting always add it slowly to the water.
See ICSC 0362 Sulfuric acid and ICSC 1202 Sulfur trioxide.
See Also: Toxicological Abbreviations