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Safety Data Sheet EN

ACETYLENE

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
ACETYLENE
Chemical Name
acetylene
Synonyms
905026,905067,A-40,A-5

Regulatory Identifiers

CAS Number
N/A
UFI Code
2HFU-TK6K-M20P-W37T

Identified Uses

Use according to manufacturer's directions.

Uses advised against

No specific uses advised against are identified.

Manufacturers & Suppliers

Wilhelmsen Ships Service AS logo

Wilhelmsen Ships Service AS

manufacturer

Willem Barentszstraat 50 Rotterdam 3165AB Netherlands

+31 10 4877 777

https://www.wilhelmsen.com/services/maritime/compan

Emergency Contacts

National Poisons Information Center / University Medical Center Utrecht

31 88 75 58000

The Netherlands: National Poisons Information Cent

+ 31 30 274 88 88

Dutch nat. poison centre

+ 31 88 7558561

24hrs - Chemwatch

+31-10-4877700

CHEMWATCH EMERGENCY RESPONSE (24/7)

+31 70 262 0282

CHEMWATCH EMERGENCY RESPONSE (24/7)

+61 3 9573 3188

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Flam. Gas Cat. 1A H220
Press. Gas (Dis.) H280

GHS Pictograms

GHS02 - Flammable

GHS02

GHS04 - Compressed gas

GHS04

Hazard Statements

H220 Extremely flammable gas.
H280 Contains gas under pressure; may explode if heated.

Precautionary Statements

P101 If medical advice is needed, have product container or label at hand.
P102 Keep out of reach of children.
P103 Read carefully and follow all instructions.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P381 In case of leakage, eliminate all ignition sources.
P410 + P403 Protect from sunlight. Store in a well-ventilated place.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type mixture
Chemical Name CAS Number Concentration Hazardous
acetylene EC: 200-816-9 74-86-2 98% Yes

Notes

Legend: 1. Classified by Chemwatch; 2. Classification drawn from Regulation (EU) No 1272/2008 - Annex VI; 3. Classification drawn from C&L " EU IOELVs available; [e] Substance identified as having endocrine disrupting properties

04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Remove the patient from the gas source or contaminated area. Remove prostheses such as false teeth. If the patient is not breathing spontaneously, administer rescue breathing. If the patient does not have a pulse, administer CPR. If medical oxygen and appropriately trained personnel are available, administer 100% oxygen. Summon an emergency ambulance. Keep the patient warm, comfortable and at rest. Monitor the breathing and pulse, continuously.

Skin contact

Flush skin and hair with running water (and soap if available). Seek medical attention in event of irritation.

Eye contact

Remove the patient from gas source or contaminated area. Take the patient to the nearest eye wash, shower or other source of clean water. Open the eyelid(s) wide. Gently rinse the affected eye(s) with clean, cool water for at least 15 minutes. Tilt the head back. Pour water slowly over the eyeball(s) at the inner corners, letting the water run out of the outer corners. Ensure that the patient looks up, and side to side. Transport to hospital or doctor. If the patient cannot tolerate light, protect the eyes with a clean, loosely tied bandage.

Ingestion

Avoid giving milk or oils. Avoid giving alcohol. If spontaneous vomiting appears imminent or occurs, hold patient's head down, lower than their hips to help avoid possible aspiration of vomitus.

Immediate Medical Attention

Transport to hospital or doctor for eye contact. Summon an emergency ambulance for inhalation.

Medical Treatment

Administer oxygen. Intubation for patients with inadequate tidal volumes or poor arterial blood gases. Establish intravenous lines and cardiac monitors. Chest x-ray. Inhaled cardioselective bronchodilators (e.g. Alupent, Salbutamol) are the preferred agents, with aminophylline a second choice. Lavage is indicated in patients who require decontamination; ensure use of cuffed endotracheal tube. Establish a patent airway with suction. Monitor and treat for pulmonary oedema, shock, and seizures. Start an IV D5W TKO or lactated Ringers solution. Treat seizures with diazepam. Proparacaine hydrochloride should be used to assist eye irrigation.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Dry chemical, CO2 or water spray to extinguish gas (only if absolutely necessary and safe to do so). Cool cylinder by direct flooding quantities of water onto upper surface until well after fire is out.

Unsuitable media

DO NOT use water jets. DO NOT direct water at source of leak or venting safety devices as icing may occur.

Specific hazards

May EXPLODE on heating!!! HIGHLY FLAMMABLE: will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Fire exposed containers may vent contents through pressure relief valves thereby increasing fire intensity and/ or vapour concentration. Vapours may travel to source of ignition and flash back. Containers may explode when heated - Ruptured cylinders may rocket. Fire may produce irritating, poisonous or corrosive gases. Runoff may create fire or explosion hazard. May decompose explosively when heated or involved in fire. High concentration of gas may cause asphyxiation without warning. Closed containers may rupture due to pressure buildup under fire conditions.

Instructions

DO NOT EXTINGUISH BURNING GAS UNLESS LEAK CAN BE STOPPED SAFELY: OTHERWISE: LEAVE GAS TO BURN. To stop the flow of gas, specifically trained personnel may inert the atmosphere to reduce oxygen levels thus allowing the capping of leaking container(s). Reduce the rate of flow and inject an inert gas, if possible, before completely stopping the flow to prevent flashback. DO NOT extinguish the fire until the supply is shut off otherwise an explosive re-ignition may occur. If the fire is extinguished and the flow of gas continues, used increased ventilation to prevent build-up, of explosive atmosphere. Use non-sparking tools to close container valves. Be CAUTIOUS of a Boiling Liquid Evaporating Vapour Explosion, BLEVE, if fire is impinging on surrounding containers. Direct 2500 litre/min (500 gpm) water stream onto containers above liquid level with the assistance remote monitors. Alert Fire Brigade and tell them location and nature of hazard. May be violently or explosively reactive. Consider evacuation. Fight fire from a safe distance, with adequate cover. If safe, switch off electrical equipment until vapour fire hazard removed. Use water delivered as a fine spray to control fire and cool adjacent area. DO NOT approach cylinders suspected to be hot.

Firefighter Protection

Wear breathing apparatus plus protective gloves.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Minor Spills: Avoid breathing vapour and any contact with liquid or gas. Protective equipment including respirator should be used. DO NOT enter confined spaces where gas may have accumulated. Shut off all sources of possible ignition and increase ventilation. Clear area of personnel. Stop leak only if safe to so do. Remove leaking cylinders to safe place. Major Spills: Clear area of all unprotected personnel and move upwind. Alert Emergency Authority and advise them of the location and nature of hazard. May be violently or explosively reactive. Wear full body clothing with breathing apparatus. Prevent by any means available, spillage from entering drains and water-courses. Consider evacuation. Shut off all possible sources of ignition and increase ventilation. Remove leaking cylinders to a safe place. Fit vent pipes. Release pressure under safe, controlled conditions. Burn issuing gas at vent pipes. DO NOT exert excessive pressure on valve; DO NOT attempt to operate damaged valve.

Small spill

Avoid breathing vapour and any contact with liquid or gas. Protective equipment including respirator should be used. DO NOT enter confined spaces where gas may have accumulated. Shut off all sources of possible ignition and increase ventilation. Clear area of personnel. Stop leak only if safe to so do. Remove leaking cylinders to safe place.

Large spill

Clear area of all unprotected personnel and move upwind. Alert Emergency Authority and advise them of the location and nature of hazard. May be violently or explosively reactive. Wear full body clothing with breathing apparatus. Prevent by any means available, spillage from entering drains and water-courses. Consider evacuation. Shut off all possible sources of ignition and increase ventilation. Remove leaking cylinders to a safe place. Fit vent pipes. Release pressure under safe, controlled conditions. Burn issuing gas at vent pipes. DO NOT exert excessive pressure on valve; DO NOT attempt to operate damaged valve.

Environmental

Prevent by any means available, spillage from entering drains and water-courses.

Cleanup methods

Burn issuing gas at vent pipes.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

The conductivity of this material may make it a static accumulator. Ensure that any lines, piping are engineered to prevent backflow of oxygen gas to acetylene cylinders. Do not store undissolved acetylene gas or reticulate gas at pressures above 100 kPa as fire / explosion may result. Ensure hoses are not attacked by acetone. Open cylinder valve the minimum amount required - no more than 1 -1.5 turns - to deliver acceptable flow. IT IS CRUCIAL THAT FUSE PLUGS IN THE TOPS AND BOTTOMS OF ALL ACETYLENE CYLINDERS BE THOROUGHLY INSPECTED WHENEVER HANDLED. REMOVE AND QUARANTINE IN A SAFE LOCATION ANY DEFECTIVE CYLINDER. Never attempt to repair or alter cylinders. Containers, even those that have been emptied, may contain explosive vapours. Do NOT cut, drill, grind, weld or perform similar operations on or near containers. Ensure electrical continuity by bonding and grounding (earthing) all equipment. Restrict line velocity during pumping in order to avoid generation of electrostatic discharge. Avoid splash filling. Do NOT use compressed air for filling discharging or handling operations. Wait 2 minutes after tank filling (for tanks such as those on road tanker vehicles) before opening hatches or manholes. Wait 30 minutes after tank filling (for large storage tanks) before opening hatches or manholes. Consider use in closed pressurised systems, fitted with temperature, pressure and safety relief valves which are vented for safe dispersal. Use only properly specified equipment which is suitable for this product, its supply pressure and temperature. The tubing network design connecting gas cylinders to the delivery system should include appropriate pressure indicators and vacuum or suction lines. Fully-welded types of pressure gauges are recommended. Before connecting gas cylinders, ensure manifold is mechanically secure and does not containing another gas. Before disconnecting gas cylinder, isolate supply line segment proximal to cylinder, remove trapped gas in supply line with aid of vacuum pump. When connecting or replacing cylinders take care to avoid airborne particulates violently ejected when system pressurises. Consider the use of doubly-contained piping; diaphragm or bellows sealed, soft seat valves; backflow prevention devices; flash arrestors; and flow monitoring or limiting devices. Gas cabinets, with appropriate exhaust treatment, are recommended, as is automatic monitoring of the secondary enclosures and work areas for release. Avoid generation of static electricity. Earth all lines and equipment. DO NOT transfer gas from one cylinder to another.

Storage

Cylinders should be stored in a purpose-built compound with good ventilation, preferably in the open. Such compounds should be sited and built in accordance with statutory requirements. The storage compound should be kept clear and access restricted to authorised personnel only. Cylinders stored in the open should be protected against rust and extremes of weather. Cylinders in storage should be properly secured to prevent toppling or rolling. Cylinder valves should be closed when not in use. Where cylinders are fitted with valve protection this should be in place and properly secured.

Fire prevention

Ensure electrical continuity by bonding and grounding (earthing) all equipment. Restrict line velocity during pumping. Avoid splash filling. Do NOT use compressed air. Wait 2 minutes after tank filling (for tanks such as those on road tanker vehicles) before opening hatches or manholes. Wait 30 minutes after tank filling (for large storage tanks) before opening hatches or manholes. Consider the use of flash arrestors. Avoid generation of static electricity. Earth all lines and equipment.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Process controls which involve changing the way a job activity or process is done to reduce the risk. Enclosure and/or isolation of emission source which keeps a selected hazard "physically" away from the worker and ventilation that strategically "adds" and "removes" air in the work environment.

Hands

When handling hot materials wear heat resistant, elbow length gloves. Rubber gloves are not recommended when handling hot objects, materials. When handling sealed and suitably insulated cylinders wear cloth or leather gloves.

Eyes

Safety glasses with side shields. Chemical goggles. [AS/NZS 1337.1, EN166 or national equivalent]. Contact lenses may pose a special hazard; soft contact lenses may absorb and concentrate irritants.

Respiratory

Type AX Filter of sufficient capacity. (AS/NZS 1716 & 1715, EN 143:2000 & 149:2001, ANSI Z88 or national equivalent). Positive pressure, full face, air-supplied breathing apparatus should be used for work in enclosed spaces if a leak is suspected or the primary containment is to be opened. Air-supplied breathing apparatus is required where release of gas from primary containment is either suspected or demonstrated.

Skin/Body

Protective overalls, closely fitted at neck and wrist. In confined spaces: Non-sparking protective boots, Static-free clothing. For large scale or continuous use wear tight-weave non-static clothing (no metallic fasteners, cuffs or pockets). Non sparking safety or conductive footwear should be considered.

Environmental

See section 12

09

Physical and Chemical Properties

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

Crystallisation Point
---
Vapor Pressure
Not Available
Auto Ignition Temperature
305 °C
Solidification Point
---
Ph
Not Available
Relative Density
---
Lower Explosive Limit
2.2
Molecular Weight
Not Available
Explosive Limits
---
Appearance
Not Available
Decomposition Temperature
Not Available
Freezing Point
-81 °C
Evaporation Rate
Not Available BuAC = 1
Bulk Density
---
State Under Standard Conditions
---
Metal Corrosion
---
Colour Intensity
---
Melting Point
-81 °C
Solubility In Water
Partly miscible
Kinematic Viscosity
Not Available
Vapor Density
0.9
Relative Evaporation Rate
---
Form
---
Physical State
Dissolved Gas
Odor Threshold
Not Available
Voc Content
---
Boiling Point
-84 °C
Upper Explosive Limit
>85
Density
---
Dynamic Viscosity
---
Cloud Point
---
Solubility
---
Colour
---
Physical State Data
gas
Odor
Not Available
Softening Point
---
Flammability
HIGHLY FLAMMABLE.
Flash Point
Not Available
Partition Coefficient
Not Available
Solubility In Fat
---
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Unstable in the presence of incompatible materials. Product is considered stable. Hazardous polymerisation will not occur. Agitation or physical shock may cause violent rupture of containers

Reactivity

See section 7

Hazardous reactions

See section 7

Avoid

See section 7

Incompatible

See section 7

Decomposition

See section 5

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

Disposal

Evaporate or incinerate residue at an approved site.

14

Transport Information

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

UN Number
1001
Shipping Name
ACETYLENE, DISSOLVED
Transport Class
2.1
Packing Group
Not Applicable
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

This safety data sheet is in compliance with the following EU legislation and its adaptations - as far as applicable - : Directives 98/24/EC, - 92/85/EEC, - 94/33/EC, - 2008/98/EC, - 2010/75/EU; Commission Regulation (EU) 2020/878; Regulation (EC) No 1272/2008 as updated through ATPs.

Chemical Safety Assessment Not performed
?

Frequently Asked Questions

Common questions about safety, handling, and properties

What other names is ACETYLENE known by?

ACETYLENE is also known as: 905026,905067,A-40,A-5

What is the hazard signal word for ACETYLENE?

The signal word is danger.

What is the physical form of ACETYLENE?

ACETYLENE is a dissolved gas appearing as not available . It has not available odor.

What is ACETYLENE used for?

Use according to manufacturer's directions.

What are the hazard statements for ACETYLENE?

This substance has 2 hazard statements:

  • H220: Extremely flammable gas.
  • H280: Contains gas under pressure; may explode if heated.

What is the melting point of ACETYLENE?

The melting point is -81 °C and the boiling point is -84 °C.