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Safety Data Sheet EN

Oxygen, compressed

CAS 7782-44-7
EC 231-956-9

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Oxygen, compressed
Product Form
Substance
Product Code
000010021701
Chemical Name
Oxygen
Synonyms
Oxygen (Special Gases), Oxygen (and High Purity Oxygen)

Regulatory Identifiers

CAS Number
7782-44-7 Check regulations →
EC Number
231-956-9 Check regulations →
REACH No.
Listed in Annex IV / V REACH, exempted from registration.

Identified Uses

Industrial and professional uses. Perform risk assessment prior to use. Consumer use. Test gas/Calibration gas. Chemical reaction / Synthesis. Laboratory use. Shield gas for welding processes. Laser gas. Balance gas for mixtures. Carrier gas. Combustion, melting and cutting processes. Process gas. Oxidizing agent Raw material for pharmaceutical products Food packaging gas. It is the responsibility of the end user to ensure that the product as supplied is suitable for its intended use.

Uses advised against

Industrial or technical grade is unsuitable for medical and/or food applications or inhalation.

Manufacturers & Suppliers

B

BOC Ltd. (UK)

national supplier

Priestley Road, Worsley, M28 2UT Manchester, Great Britain

0800 111 333

Emergency Contacts

Emergency Contact

0800 111 333

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Ox. Gas Cat. 1 H270
Press. Gas (Comp.) H280

GHS Pictograms

GHS03 - Oxidizing

GHS03

GHS04 - Compressed gas

GHS04

Hazard Statements

H270 May cause or intensify fire; oxidiser.
H280 Contains gas under pressure; may explode if heated.

Precautionary Statements

P220 Keep away from clothing and other combustible materials.
P244 Keep valves and fittings free from oil and grease.
P370 + P376 In case of fire: Stop leak if safe to do so.
P403 Store in a well-ventilated place.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance
Chemical Name CAS Number Concentration Hazardous
Oxygen, compressed EC: 231-956-9 7782-44-7 100% Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Remove victim to uncontaminated area.

Symptoms: Continuous inhalation of concentrations higher than 75% may cause nausea, dizziness, respiratory difficulty and convulsion.

Skin contact

Adverse effects not expected from this product.

Eye contact

Adverse effects not expected from this product.

Ingestion

Ingestion is not considered a potential route of exposure.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Water spray or fog. Product does not burn, use fire control measures appropriate for the surrounding fire.

Unsuitable media

Do not use water jet to extinguish.

Specific hazards

Supports combustion. Exposure to fire may cause containers to rupture/explode.

Instructions

Use fire control measures appropriate for the surrounding fire. Cool endangered receptacles with water spray jet from a protected position. If possible, stop flow of product. Use water spray or fog to knock down fire fumes if possible. Move containers away from the fire area if this can be done without risk.

Firefighter Protection

Standard protective clothing and equipment (Self Contained Breathing Apparatus) for fire fighters. Standard EN 469 - Protective clothing for firefighters. Standard - EN 659: Protective gloves for firefighters. EN 15090 Footwear for firefighters. EN 443 Helmets for fire fighting in buildings and other structures. Standard EN 137 - Self-contained open-circuit compressed air breathing apparatus with full face mask.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Act in accordance with local emergency plan. Try to stop release. Evacuate area. Eliminate ignition sources. Ensure adequate air ventilation. See section 8 of the SDS for more information on personal protective equipment. Monitor concentration of released product. Wear self-contained breathing apparatus when entering area unless atmosphere is proved to be safe. See section 5.3 of the SDS for more information.

Environmental

Try to stop release.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Use no oil or grease. Use only properly specified equipment which is suitable for this product, its supply pressure and temperature. Do not smoke while handling product. Keep equipment free from oil and grease. Use only oxygen approved lubricants and oxygen approved sealings. Avoid suck back of water, acid and alkalis. Only experienced and properly instructed persons should handle gases under pressure. Ensure the complete gas system was (or is regularly) checked for leaks before use. Do not breathe gas. Do not allow backfeed into the container. Protect containers from physical damage; do not drag, roll, slide or drop. When moving cylinders, even for short distances, use a cart (trolley, hand truck, etc.) designed to transport cylinders. Leave valve protection caps, when provided, in place until the container has been secured against either a wall or bench or placed in a container stand and is ready for use. Close container valve after each use and when empty, even if still connected to equipment. Never attempt to transfer gases from one cylinder/container to another. Never use direct flame or electrical heating devices to raise the pressure of a container. Open valve slowly to avoid pressure shock.

Storage

Keep container below 50°C in a well ventilated place. Store containers in location free from fire risk and away from sources of heat and ignition. Containers should be stored in the vertical position and properly secured to prevent them from falling over.

Hygiene

The product must be handled in accordance with good industrial hygiene and safety procedures.

Fire prevention

Do not smoke while handling product. Never use direct flame or electrical heating devices to raise the pressure of a container.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Avoid oxygen rich (>23,5%) atmospheres. Gas detectors should be used when oxidising gases may be released. Provide adequate general and local exhaust ventilation. Consider the use of a work permit system e.g. for maintenance activities. Systems under pressure should be regularly checked for leakages.

Hands

Wear working gloves when handling gas containers. Standard EN 388 - Protective gloves against mechanical risks, performance level 1 or higher. Recommended types include wrist gloves from leather or synthetic material with equivalent performance, fabric gloves, fabric gloves with leather palms.

Eyes

Wear safety glasses with side shields. Standard EN 166 - Personal eye-protection - specifications

Respiratory

None necessary. Self contained breathing apparatus is recommended, where unknown exposure may be expected, e.g. during maintenance activities on installation systems. Standard EN 137 - Self-contained open-circuit compressed air breathing apparatus with full face mask.

Skin/Body

Consider the use of flame resistant safety clothing. Standard EN ISO 14116 - Limited flame spread materials. Wear safety shoes while handling containers. Standard EN ISO 20345 - Personal protective equipment - Safety footwear.

Environmental

Refer to local regulations for restriction of emissions to the atmosphere. See section 13 for specific methods for waste gas treatment.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
Gas
Physical State Data
gas
State Under Standard Conditions
---
Appearance
---
Colour
Colourless.
Colour Intensity
---
Form
Compressed gas
Odor
Odourless.
Odor Threshold
Odour threshold is subjective and inadequate to warn of overexposure.
Ph
Not applicable for gases and gas mixtures.
Melting Point
-219 °C
Boiling Point
-183 °C
Flash Point
Not applicable for gases and gas mixtures.
Freezing Point
No data available
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
No data available
Evaporation Rate
---
Vapor Pressure
Not applicable.
Vapor Density
---
Relative Density
1.1 EC-TEMP: 0; EC-PRESS: 1013,25-KPA; EC-REFMAT: Water
Bulk Density
---
Density
Not applicable for gases and gas mixtures.
Flammability
Non flammable.
Upper Explosive Limit
Not applicable.
Lower Explosive Limit
Not applicable.
Explosive Limits
---
Auto Ignition Temperature
Non flammable.
Decomposition Temperature
Not applicable.
Solubility
---
Partition Coefficient
Not applicable for gas mixtures. (Log Pow); Not applicable for inorganic products. (Log Kow)
Solubility In Water
0.039 mg/l
Solubility In Fat
---
Molecular Weight
32 g/mol
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
No reliable data available.
Kinematic Viscosity
No reliable data available.
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under normal conditions.

Reactivity

No reactivity hazard other than the effects described in sub-sections below.

Hazardous reactions

Violently oxidises organic material.

Avoid

Avoid moisture in installation systems.

Incompatible

Keep equipment free from oil and grease. For more guidance, refer to the EIGA Doc. 33 - Cleaning of Equipment for Oxygen Service downloadable at http://www.eiga.eu. Consider the potential toxicity hazard due to the presence of chlorinated or fluorinated polymers in high pressure (> 30 bar) oxygen lines in case of combustion. May react violently with combustible materials. May react violently with reducing agents. For additional information on compatibility refer to ISO 11114.

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

The data for this section has not been processed yet.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
1072
Shipping Name
OXYGEN, COMPRESSED
Transport Class
2.2 (5.1)
Packing Group
Not applicable
ADR

Avoid transport on vehicles where the load space is not separated from the driver's compartment, Ensure vehicle driver is aware of the potential hazards of the load and knows what to do in the event of an accident or an emergency, Before transporting product containers: - Ensure there is adequate ventilation, - Ensure that containers are firmly secured, - Ensure valve is closed and not leaking, - Ensure valve outlet cap nut or plug (where provided) is correctly fitted, - Ensure valve protection device (where provided) is correctly fitted.

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What other names is Oxygen, compressed known by?

Oxygen, compressed is also known as: Oxygen (Special Gases), Oxygen (and High Purity Oxygen)

What is the hazard signal word for Oxygen, compressed?

The signal word is danger.

What is the physical form of Oxygen, compressed?

Oxygen, compressed is a gas with colourless. color. It has odourless. odor.

What is Oxygen, compressed used for?

Industrial and professional uses. Perform risk assessment prior to use. Consumer use. Test gas/Calibration gas. Chemical reaction / Synthesis. Laboratory use. Shield gas for welding processes. Laser gas. Balance gas for mixtures. Carrier gas. Combustion, melting and cutting processes. Process gas. Oxidizing agent Raw material for pharmaceutical products Food packaging gas. It is the responsibility of the end user to ensure that the product as supplied is suitable for its intended use.

What are the hazard statements for Oxygen, compressed?

This substance has 2 hazard statements:

  • H270: May cause or intensify fire; oxidiser.
  • H280: Contains gas under pressure; may explode if heated.

What is the melting point of Oxygen, compressed?

The melting point is -219 °C and the boiling point is -183 °C.