rested. Call a doctor. Apply artificial respiration if Segregate from oxidant gases and other oxidants in store. General
Safety Data Sheet
breathing stopped. Refer to supplier's container handling instructions. No known ecological damage caused by this product.
Hydrogen Ingestion Keep container below 50°C in a well ventilated place. 13 DISPOSAL CONSIDERATIONS
067A Ingestion is not considered a potential route of exposure. 8 EXPOSURE CONTROLS/PERSONAL PROTECTION
5 FIRE FIGHTING MEASURES
Personal protection Do not discharge into areas where there is a risk of
Version : 1.17 Specific hazards Ensure adequate ventilation. forming an explosive mixture with air. Waste gas should
Date : 29/06/1999 Exposure to fire may cause containers to Do not smoke while handling product. be flared through a suitable burner with flash back
1 IDENTIFICATION OF THE rupture/explode. 9 PHYSICAL AND CHEMICAL PROPERTIES arrestor.
SUBSTANCE/PREPARATION AND OF THE Hazardous combustion products Do not discharge into any place where its accumulation
COMPANY None could be dangerous.
Suitable extinguishing media Contact supplier if guidance is required.
MSDS Nr Melting point
All known extinguishants can be used. 14 TRANSPORT INFORMATION
067A -259 °C
Product name Boiling point Proper shipping name
If possible, stop flow of product.
Hydrogen -253 °C Hydrogen, compressed
Move container away or cool with water from a
Chemical formula Critical temperature UN Nr
H2 -240 °C 1049
Do not extinguish a leaking gas flame unless absolutely
Company identification Relative density, gas Class/Div
necessary. Spontaneous/explosive re-ignition may occur.
see heading and/or footer 0.07 (air=1) 2.1
Extinguish any other fire.
Emergency phone numbers Relative density, liquid ADR/RID Item Nr
Special protective equipment for fire fighters
see heading and/or footer 0.07 (water=1) 2, 1°F
In confined space use self-contained breathing apparatus.
2 COMPOSITION/INFORMATION ON INGREDIENTS Vapour Pressure 20°C ADR/RID Hazard Nr
6 ACCIDENTAL RELEASE MEASURES
Not applicable. 23
Personal precautions Solubility mg/l water Labelling ADR
Wear self-contained breathing apparatus when entering 1.6 mg/l Label 3: flammable gas
area unless atmosphere is proved to be safe. Appearance/Colour Other transport information
Contains no other components or impurities which will
Evacuate area. Colourless gas Avoid transport on vehicles where the load space is not
influence the classification of the product.
Ensure adequate air ventilation. Odour separated from the driver's compartment.
Eliminate ignition sources. None Ensure vehicle driver is aware of the potential hazards of
Environmental precautions Autoignition temperature the load and knows what to do in the event of an accident
EEC Nr (from EINECS)
Try to stop release. 560 °C or an emergency.
Clean up methods Flammability range Before transporting product containers ensure that they
3 HAZARDS IDENTIFICATION
Ventilate area. 4-75 vol% in air. are firmly secured and:
Hazards identification 7 HANDLING AND STORAGE Other data - cylinder valve is closed and not leaking
Compressed gas Burns with a colourless invisible flame. - valve outlet cap nut or plug (where provided) is
Handling and storage
Extremely flammable 10 STABILITY AND REACTIVITY correctly fitted
Ensure equipment is adequately earthed.
4 FIRST AID MEASURES - valve protection device (where provided) is correctly
Suck back of water into the container must be prevented. Stability and reactivity
Inhalation Purge air from system before introducing gas. Can form explosive mixture with air.
- there is adequate ventilation.
In high concentrations may cause asphyxiation. Do not allow backfeed into the container. May react violently with oxidants.
- compliance with applicable regulations.
Symptoms may include loss of mobility/consciousness. Use only properly specified equipment which is suitable 11 TOXICOLOGICAL INFORMATION
15 REGULATORY INFORMATION
Victim may not be aware of asphyxiation. for this product, its supply pressure and temperature.
Remove victim to uncontaminated area wearing self Contact your gas supplier if in doubt. Number in Annex I of Dir 67/548
No toxicological effects from this product.
contained breathing apparatus. Keep victim warm and Keep away from ignition sources (including static 001-001-00-9.
12 ECOLOGICAL INFORMATION
discharges). EC Classification
F+: Extremely flammable
R12 Extremely flammable.
S9 Keep container in well ventilated place.
S16 Keep away from ignition sources - No smoking.
S33 Take precautionary measures against static
16 OTHER INFORMATION
Ensure all national/local regulations are observed.
Ensure operators understand the flammability hazard.
The hazard of asphyxiation is often overlooked and must
be stressed during operator training. Before using this
product in any new process or experiment, a thorough
material compatibility and safety study should be carried
Details given in this document are believed to be correct
at the time of going to press. Whilst proper care has been
taken in the preparation of this document, no liability for
injury or damage resulting from its use can be accepted.