Card

Substance		CHROMIUM TRIOXIDE, ANHYDROUS
UN Number		1463
HIN (= Hazard Identification Number)		568
ADR Label		5.1+6.1+8
ADR Class		5.1
Classification Code		OTC
Packing group		II
ERIC		5-36

Emergency Response Information

OXIDISING TOXIC CORROSIVE SUBSTANCE

1. Characteristics

Toxic by ingestion, inhalation or skin absorption.

Corrosive, causing damage to skin, eyes and air passages.

Risk of violent reaction when heated or burning.

May react with water or combustible material.

Intensifies fire.

Heating or mechanical shock may cause decomposition which can lead to an explosion or violent reaction.

2. Hazards

Heating of container(s) will cause pressure rise with risk of bursting and subsequent explosion.

Gives off toxic and corrosive fumes, also when burning.

May attack metals and produce hydrogen gas which may form explosive mixture with air.

Contact with combustible substances may lead to fire or explosion.

Contaminated clothing becomes a severe fire risk especially when dry.

The vapour may be invisible and is heavier than air. It spreads along the ground and may enter sewers and basements.

3. Personal Protection

Gas tight suit.

4. Intervention Actions
4.1 General

Keep upwind. Put on protective equipment before entering danger area.

Minimise number of personnel in risk area.

Avoid contact with combustible substances (e.g. fuels).

4.2 Spillage

Stop leaks if possible.

Contain spillage by any means available.

Absorb liquid in sand or earth or any other suitable material.

Do not absorb or cover substance with sawdust or other combustible materials.

Do not use plugs made from organic material like wood, to stop leaks.

If substance has entered a water course or sewer, inform the responsible authority.

Ventilate sewers and basements where there is no risk to personnel or public.

4.3 Fire (involving the substance)

Keep container(s) cool with water.

Extinguish with water jet.

Use water spray to knock down fire fumes if possible.

Avoid unnecessary run-off of extinguishing media which may cause pollution.

5. First Aid

If substance has got into eyes, wash out with water for at least 15 minutes and seek immediate medical attention.

Remove contaminated clothing immediately and drench affected skin with plenty of water.

Persons who have been in contact with the substance or have inhaled fumes should get immediate medical attention. Pass on all available product information.

Mouth to mouth resuscitation should be avoided. Use alternative methods, preferably with oxygen or compressed air driven apparatus.

6. Essential Precautions For Product Recovery

Do not use standard recovery equipment. Seek specialist advice immediately.

7. Precautions After Intervention
7.1 Undressing

Drench contaminated suit and breathing apparatus with water before removing facemask and suit.

Use chemical protection suit and self contained breathing apparatus while undressing contaminated co-workers or handling contaminated equipment.

Contain decontamination run off.

7.2 Equipment Clean Up

Seek specialist advice before leaving incident.