Note: Ingredients listed on restricted chemical lists
EC/CAS
200-816-9/74-86-2
Name of the chemical
acetylene
Concentration
Classification according to GB
General Information
Version
4.0
Revision date
2025-10-23
Product name
Acetylene
CAS No.
74-86-2
REACH No
01-2119457406-36,
1.2.1 Relevant identified uses
See the list of identified uses and exposure scenarios in the annex of the safety data sheet Consumer use Perform risk assessment prior to use
1.2.2. Uses advised against
Uses other than those listed above are not supported, contact your supplier for more information on other uses
Icons in SDS
Company Information
company name
BOC Ltd. (UK)
e-mail address of the competent person responsible for the Safety Data Sheet
ReachSDS@boc.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H220, H230, H280
Hazard statements
Code
Statements
H220
Extremely flammable gas
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Classification according to GB CLP (SI 2019:720 as amended)
Physical hazards
Flammable gases, Category 1A, Chemically unstable gas A H220;H230 Gases under pressure Dissolved gas H280 Full text of H- and EUH-statements: see section 16
Adverse physicochemical, human health and environmental effects
No additional information available
2.2 Label elements
Labelling according to GB CLP (SI 2019:720 as amended)
Hazard pictograms
GHS02 GHS04
Signal word
Danger
Hazard statements
H220 - Extremely flammable gas. H230 - May react explosively even in the absence of air. H280 - Contains gas under pressure; may explode if heated.
Prevention
P202 - Do not handle until all safety precautions have been read and understood. P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
Response
P377 - Leaking gas fire: Do not extinguish, unless leak can be stopped safely. P381 - In case of leakage, eliminate all ignition sources.
Storage
P403 - Store in a well-ventilated place.
Additional information
Dispose of cylinder via gas supplier only. Cylinder contains a porous material which in some cases contains asbestos fibres.
Other hazards
Asphyxiant in high concentrations. These high concentrations are within the flammability range. Not classified as PBT or vPvB. Not classified as PMT or vPvM . The substance/mixture has no endocrine disrupting properties.
Results of PBT and vPvB assessment
This substance does not meet the PBT criteria of UK REACH regulation, annex XIII This substance does not meet the vPvB criteria of UK REACH regulation, annex XIII Results of Endocrine Disruptor assessment The substance is not included in the list established in accordance with Article 59(1) of UK REACH for having endocrine disrupting properties, or is not identified as having endocrine disrupting properties in accordance with the criteria set out in GB BPR and GB PPP
2.1 Classification of the substance or mixture
Classification according to GB CLP (SI 2019:720 as amended) Physical hazards Flammable gases, Category 1A, Chemically unstable gas A H220;H230 Physical hazards Gases under pressure : Dissolved gas H280 Full text of H- and EUH-statements: see section 16 Adverse physicochemical, human health and environmental effects No additional information available
