Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

1,4 -Butynediol is a stable, non-reactive and non-oxidizing, slightly volatile organic solid with a melting point of 56°C, a measured Flash Point of 136°C, and a vapor pressure of 0.00015 hPa at 20 °C. It is not classified as dangerous / hazardous with regards to flammability, explosiveness, reactivity, or as an oxidizer according to Regulation (EC) 1272/2008 or Directive 67/548/EEC.