Nitrous Oxide
PRODUCT :NITROUS OXIDE MSDS NR : HKO-008L-04/2007/1 PAGE 1/2
1 IDENTIFICATION OF THE SUBSTANCE/ 5 FIRE FIGHTING MEASURES
SAFETY PREPARATION AND OF THE COMPANY
Supports combustion
Specific hazards
DATA Nitrous Oxide
Product name Non flammable
N2O
Chemical formula Exposure to fire may cause containers
SHEET to rupture/explode.
See end of each page
Company
identification
If involved in a fire the following toxic
Hazardous
(852) 2661 0920
Emergency phone
and/or corrosive fumes may be
combustion
Nos (24 hrs.)
produced by thermal decomposition:
products
2 COMPOSITION / INFORMATION ON Nitric Oxide; Nitrogen Dioxide
All known extinguishants can be used.
Suitable
INGREDIENTS
extinguishing media
Substance
Substance/ If possible, stop flow of product.
Specific methods
Preparation
Move container away and cool with
Contains no other components or
Components/ water from a protected position.
impurities which will influence the
Impurities Inform Fire Services Department
classification of the product.
Use self-contained breathing
Special protective
10024-97-2
CAS Nr apparatus.
equipment for
N2O (medical ) 99.0% min
Specifications fire fighters
N2O (instrumental) 99.5% min
6 ACCIDENTAL RELEASE MEASURES
3 HAZARDS IDENTIFICATION
Evacuate area. Ensure adequate air
Personal
Liquefied gas
Hazards ventilation. Eliminate ignition sources.
precautions
identification Oxidant. Strongly supports Wear self contained breathing
combustion. May react violently apparatus when entering area unless
atmosphere is proved to be safe.
with combustible materials.
Try to stop release.
Environmental
Prevent from entering sewers,
precautions
4 FIRST AID MEASURES basements and workpits, or any place
where its accumulation can be
In high concentration may cause
Inhalation
dangerous.
asphyxiation. Symptoms may include
Ventilate area.
Clean up methods
loss of mobility / consciousness. Victim
may not be aware of asphyxiation.
Remove victim to uncontaminated area 7 HANDLING AND STORAGE
and inhale fresh air. Rescue
personnel should be equipped with Handling and storage
self-contained breathing apparatus. Use no oil or grease.
Keep victim warm and rested. Call a
Open valve slowly to avoid pressure shock. Segregate from
doctor.
flammable gases and other flammable materials in store. Suck
Apply artificial respiration if breathing back of water into the container must be prevented. Do not allow
stopped. backfeed into the container. Use only properly specified equipment
Immediately flush eyes thoroughly with
Skin/eye contact which is suitable for this product, its supply pressure and
water for at least 15 minutes. temperature. Contact your gas supplier if in doubt. Keep away
In case of frostbite spray with water for from ignition sources (including static discharges). Refer to
at least 15 minutes. Apply a sterile supplier's container handling instructions.
dressing. Obtain medical assistance. Keep container below 50癈 in a well ventilated place.
Ingestion is not considered a potential
Ingestion
route of exposure.
8 EXPOSURE CONTROLS/PERSONAL
PROTECTION
50 ppm (8 hour TWA)
Occupational
Exposure Limit Source: Reference Note on Occupational
Exposure Limits for Chemical Substances
(OEL)
in the Work Environment, issued by
Labour Department, Hong Kong
Do not smoke while handling product.
Personal
protection Wear suitable hand, body and head
protection.
Ensure adequate ventilation.
HONG KONG OXYGEN & ACETYLENE CO., LTD.
12 CHUN YAT STREET, TSEUNG KWAN O INDUSTRIAL ESTATE, KOWLOON, HONG KONG.
Telephone : (852) 2372 2288
Product Enquiry
Fax : (852) 2372 2508
Nitrous Oxide
PRODUCT :NITROUS OXIDE MSDS NR : HKO-008L-04/2007/1 PAGE 2/2
9 PHYSICAL AND CHEMICAL PROPERTIES 14 TRANSPORT INFORMATION
SAFETY 44 Nitrous Oxide, compressed
Molecular weight Proper Shipping
Name
DATA -90.8癈
Melting point
1070
UN Nr
-88.5癈
Boiling point
SHEET 2.2: non flammable compressed gas
Class
-36.4癈
Critical temperature
5.1: oxidizing agent
Subsidiary risk
1.5 (air=1)
Relative density, gas
2,2o O
ADR/RID Item Nr
1.2 (water=1)
Relative density,
25
liquid ADR/RID Hazard Nr
50.8 bar Label 2.2: non flammable non toxic gas
Vapour Pressure Labelling ADR
Label 5.1: fire intensifying risk
20癈
Other transport information
2.2 mg/l
Solubility mg/l water
Avoid transport on vehicles where the load space is not separated
Colourless gas
Appearance/Colour
from the driver's compartment.
Sweetish
Odour
Ensure vehicle driver is aware of the potential hazards of the load
Not applicable
Autoignition
and knows what to do in the event of an accident or an emergency.
temperature
Before transporting product containers ensure that they are firmly
Oxidizer
Flammability range secured and:
Gas/vapour heavier than air. May
Other data - cylinder valve is closed and not leaking
accumulate in confined spaces,
- valve outlet cap nut or plug (where provided) is correctly
particularly at or below ground level.
fitted
- valve protection device (where provided) is correctly fitted
10 STABILITY AND REACTIVITY - adequate ventilation.
- compliance with applicable regulations.
May react violently with combustible
Stability and
materials.
Reactivity
May react violently with reducing 15 REGULATORY INFORMATION
agents.
Nitrous Oxide, compressed
Proper shipping
Violently oxidises organic material.
name
11 TOXICOLOGICAL INFORMATION Category 2/Class 2: Compressed
Category
Gases/Liquefied Gases
In low concentrations may cause
General
R8 Contact with combustible material
Risk phrases
narcotic effects. Symptoms may
may cause fire
include dizziness, headache, nausea
and loss of co-ordination. S9 Keep container in well ventilated
Safety phrases
place
12 ECOLOGICAL INFORMATION S17 Keep away from combustible
material
When discharged in large quantities
General
Dangerous Goods Ordinance (Chapter
National legislation
may contribute to the greenhouse
295)
effect.
Global warming factor 310 (CO2=1)
16 OTHER INFORMATION
13 DISPOSAL CONSIDERATIONS
Ensure all national / local regulations are observed.
Discharge to atmosphere in large
General
quantities should be avoided. The hazard of asphyxiation is often overlooked and must be
stressed during operator training.
Do not discharge into any place where
its accumulation could be dangerous. Contact with liquid may cause cold burns / frost bite.
Contact supplier if guidance is Users of breathing apparatus must be trained.
required. Before using this product in any new process or experiment, a
thorough material compatibility and safety study should be carried
out.
Always leak check cylinders when first collected, delivered or used
using an approved leak detection fluid.
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.
HONG KONG OXYGEN & ACETYLENE CO., LTD.
12 CHUN YAT STREET, TSEUNG KWAN O INDUSTRIAL ESTATE, KOWLOON, HONG KONG.
Telephone : (852) 2372 2288
Product Enquiry
Fax : (852) 2372 2508
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