Gas and Engineering
Linde Gas Division
SAFETY DATA SHEET
Nitrous oxide
Date: 05.05.2002 MSDS-Nr.: 8330/5-Eng
replaces version dated: 05.10.2000 Page 1 of 2
_________________________________________________________________________________________
1 IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND Evacuate area. Wear self-contained breathing apparatus when
NAME OF THE COMPANY entering area unless atmosphere is proved to be safe. Ensure
adequate air ventilation. Eliminate ignition sources.
Product name Environmental precautions
Nitrous oxide Try to stop release. Prevent from entering sewers, basements and
Chemical formula: N2O workpits, or any place where its accumulation can be dangerous.
Company identification Clean up methods
Linde AG, Gas and Engineering, Linde Gas Division Ventilate area.
Seitnerstra遝 70, D-82049 H鰈lriegelskreuth
Emergency phone number: 089-7446-0 7 HANDLING AND STORAGE
2 COMPOSITION/INFORMATION ON INGREDIENTS Handling and storage
Use no oil or grease. Segregate from flammable gases and other
Substance/Preparation: Substance. flammable materials in store. Suck back of water into the container
Components/Impurities must be prevented. Do not allow backfeed into the container. Use
Contains no other components or impurities which will influence the only properly specified equipment which is suitable for this product,
classification of the product. its supply pressure and temperature. Contact your gas supplier if in
CAS-No.: 10024-97-2 doubt. Keep away from ignition sources (including static
EEC No. (from EINECS): 233-032-0 discharges). Refer to supplier's container handling instructions.
Keep container below 50癈 in a well ventilated place.
3 HAZARDS IDENTIFICATION
8 EXPOSURE CONTROLS/PERSONAL PROTECTION
Hazards identification
Liquefied gas. Exposure limit value TLV(ACGIH)
Oxidant. Strongly supports combustion. 50 ppm (1996-1997 Edition)
May react violently with combustible materials. Exposure limit value for country
Contact with liquid may cause cold burns/frost bite. Germany: MAK 100 ppm (TRGS 900 10/2000)
Personal protection
4 FIRST AID MEASURES Do not smoke while handling product. Ensure adequate ventilation.
Inhalation 9 PHYSICAL AND CHEMICAL PROPERTIES
In high concentrations may cause asphyxiation. Symptoms may
include loss of mobility/consciousness. Victim may not be aware of Molecular weight: 44
asphyxiation. In low concentrations may cause narcotic effects. Melting point: -90.81 癈
Symptoms may include dizziness, headache, nausea and loss of Boiling point: -88.5 癈
coordination. Remove victim to uncontaminated area wearing self Critical temperature: 36.4 癈
contained breathing apparatus. Keep victim warm and rested. Call a Relative density, gas: 1.5 (air=1)
doctor. Apply artificial respiration if breathing stopped. Relative density, liquid: 1.2 (water=1)
Skin/eye contact Vapour pressure 20癈: 50.8 bar
Immediately flush eyes thoroughly with water for at least 15 minutes. Solubility mg/l water: 2.2 mg/l
In case of frosbite spray with water for at least 15 minutes. Apply a Appearance/Colour: Colourless gas
sterile dressing. Obtain medical assistance. Odour: Sweetish. Poor warning properties at high concentrations.
Ingestion Autoignition temperature: Not applicable
Ingestion is not considered a potential route of exposure. Flammability range: Oxidiser.
Other data
5 FIRE FIGHTING MEASURES Gas/vapour heavier than air. May accumulate in confined spaces,
particularly at or below ground level.
Specific hazards
Supports combustion. Exposure to fire may cause containers to 10 STABILITY AND REACTIVITY
rupture/explode. Non flammable.
Hazardous combustion products Stability and reactivity
If involved in a fire the following toxic and/or corrosive fumes may be At temperatures over 575癈 and at atmospheric pressure, nitrous
produced by thermal decomposition: oxide decomposes into nitrogen and oxygen. The free oxygen leads
Nitric oxide/nitrogen dioxide to an increased risk of fire. Pressurized nitrous oxide can
Suitable extinguishing media decompose into nitrogen and oxygen at temperatures above 300癱 .
All known extinguishants can be used. This decomposition can rapidly produce a very high pressure,
Specific methods possibly causing the container to burst. The decomposition is
If possible, stop flow of product. Move container away or cool with supported by catalysts such as nickel, gold or platinum. Thermal
water from a protected position. decomposition yields toxic products which can be corrosive in the
Special protective equipment for fire fighters presence of moisture.
Use self-contained breathing apparatus and chemically protective May react violently with reducing agents. May react violently with
clothing. combustible materials. Violently oxidises organic material.
6 ACCIDENTAL RELEASE MEASURES 11 TOXICOLOGICAL INFORMATION
Personal Precautions General
No known toxicological effects from this product.
Gas and Engineering
Linde Gas Division
SAFETY DATA SHEET
Nitrous oxide
Date: 05.05.2002 MSDS-Nr.: 8330/5-Eng
replaces version dated: 05.10.2000 Page 2 of 2
_________________________________________________________________________________________
12 ECOLOGICAL INFORMATION - cylinder valve is closed and not leaking
- valve outlet cap nut or plug (where provided) is correctly fitted
General - valve protection device (where provided) is correctly fitted
No known ecological damage caused by this product. - there is adequate ventilation.
- compliance with applicable regulations.
13 DISPOSAL CONSIDERATIONS
15 REGULATORY INFORMATION
General
To atmosphere in a well ventilated place. Discharge to atmosphere Number in Annex I of Dir 67/548
in large quantities should be avoided. Do not discharge into any Not included in Annex I.
place where its accumulation could be dangerous. Contact supplier EC Classification:
if guidance is required. Proposed by the industry: O; R8
Labelling of cylinders
14 TRANSPORT INFORMATION -Symbols
O: Oxidising
ADR / RID: Class 2 Code 2 O -Risk phrases
IMDG: Class 2.2 RAs Asphyxiant in high concentrations.
IATA: Class 2.2 R8 Strongly supports combustion.
UN-No., Proper shipping name: -Safety phrases
UN 1070 Distickstoffmonoxid S9 Keep container in well ventilated place.
UN 1070 Nitrous oxide S17 Keep away from combustible material, use no oil or grease.
Packing Instruction: P200
Labelling according to ADR / RID: 16 OTHER INFORMATION
Label 2.2: Non flammable, non-toxic gases Ensure all national/local regulations are observed. The hazard of
Label 5.1: Oxidizing substances asphyxiation is often overlooked and must be stressed during
ADR/RID Hazard No.: 25 operator training. Contact with liquid may cause cold burns/frost
CEFIC Tremcard No.: 233 bite. Before using this product in any new process or experiment, a
CEFIC Groupcard No.: 20g16 thorough material compatibility and safety study should be carried
Other transport information out. Details given in this document are believed to be correct at the
Avoid transport on vehicles where the load space is not separated time of going to press. Whilst proper care has been taken in the
from the driver's compartment. Ensure vehicle driver is aware of the preparation of this document, no liability for injury or damage
potential hazards of the load and knows what to do in the event of resulting from its use can be accepted.
an accident or an emergency. Before transporting product
containers ensure that they are firmly secured and: