SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 09/AUG/2005
Date Updated: 13/MAR/2004
Version 1.1
According to 91/155/EEC
1 - Product and Company Information
Product Name HELIUM, 99.995+%
Product Number 295345
Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
HELIUM 7440-59-7 231-168-5 None
Formula He
Molecular Weight 4 AMU
Synonyms Helium (ACGIH:OSHA)
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Not hazardous according to Directive 67/548/EEC.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.
AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Use water spray or fog nozzle to keep cylinder cool.
Move cylinder away from fire if there is no risk.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
Explosion Hazards: Container explosion may occur under fire
conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area and keep personnel upwind. Shut off leak if there
is no risk.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.
METHODS FOR CLEANING UP
Ventilate area and wash spill site after material pickup is
complete.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe gas. Do not get in
eyes, on skin, on clothing. Avoid prolonged or repeated exposure.
STORAGE
Conditions of Storage: Keep tightly closed. Cylinder temperature
should not exceed 125藲F (52藲C).
SPECIAL REQUIREMENTS: Contents under pressure.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Mechanical exhaust required. Safety shower and eye bath.
WORK PRACTICES
Store and use with adequate ventilation.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling.
EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL TWA 237 mg/m3
50 ppm
OEL STEL 100 ppm
Remarks: Skin
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator in
nonventilated areas and/or for exposure above the TLV or PEL.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
ALDRICH - 295345 www.sigma-aldrich.com Page 2
Appearance Physical State: Compressed gas
Property Value At Temperature or Pressure
pH N/A
BP/BP Range -268.9 藲C 760 mmHg
MP/MP Range N/A
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density N/A
Partition Coefficient N/A
Viscosity N/A
Vapor Density 0.14 g/l
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A
10 - Stability and Reactivity
STABILITY
Stable: Stable.
Materials to Avoid: Strong oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Nature of decomposition products
not known.
11 - Toxicological Information
RTECS NUMBER: MH6520000
ROUTE OF EXPOSURE
Skin Contact: May cause skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: May cause eye irritation.
Inhalation: May be harmful if inhaled. Material may be
irritating to mucous membranes and upper respiratory tract. Can
cause rapid suffocation.
Ingestion: May be harmful if swallowed.
CONDITIONS AGGRAVATED BY EXPOSURE
At high concentrations helium functions as a simple asphyxiant
by displacing air.
12 - Ecological Information
No data available.
13 - Disposal Considerations
ALDRICH - 295345 www.sigma-aldrich.com Page 3
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Observe all federal, state, and local
environmental regulations.
CONTAMINATED CONTAINER DISPOSAL
Caution: no-return cylinder. Do not reuse. Empty cylinder will
contain hazardous residue. Follow proper disposal techniques.
14 - Transport Information
RID/ADR
UN#: 1046
Class: 2
Proper Shipping Name: Helium, compressed
IMDG
UN#: 1046
Class: 2.2
Proper Shipping Name: Helium, compressed
Marine Pollutant: No
Severe Marine Pollutant: No
IATA
UN#: 1046
Class: 2.2
Proper Shipping Name: Helium, compressed
Inhalation Packing Group I: No
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
S-PHRASES: 9
Keep container in a well-ventilated place.
Not hazardous according to Directive 67/548/EEC.
SWITZERLAND
SWISS POISON CLASS: FREI
16 - Other Information
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
ALDRICH - 295345 www.sigma-aldrich.com Page 4
|