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Physical & Chemical properties

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Administrative data

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Additional information

Data on physical properties were obtained from a number of secondary sources. The data in these secondary sources are based on a critical evaluation of peer-reviewed data and the selected values are considered to be reliable and representative of the property under investigation. Information on the review process was documented in the introduction of the source. The use of Klimisch codes (Klimisch et al. 1997) was extended to these secondary sources and a reliability code of (2) valid with restrictions was assigned when using the authoritative secondary source.

Acetylene is a flammable colourless gas, soluble in water. The substance is classified as a Category 1 flammable gas with the hazard statement "extremely flammable gas" under the CLP Regulations.