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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
stability: thermal, sunlight, metals, other
Remarks:
Migrated from section 'Stability: thermal, sunlight, metals'
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2000
Report date:
2000

Materials and methods

Principles of method if other than guideline:
other method : DIN 51007
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
But-2-yne-1,4-diol
EC Number:
203-788-6
EC Name:
But-2-yne-1,4-diol
Cas Number:
110-65-6
Molecular formula:
C4H6O2
IUPAC Name:
but-2-yne-1,4-diol

Results and discussion

For thermal stability study

Test substance thermally stable:
ambiguous

Any other information on results incl. tables

First reaction: exothermic

Onset-Temperature: ca. 70 °C

Peak-Temperature: 192 °C

Set free amount of heat: 140 J/g

Second Reaction:

Onset-Temperature: 210 °C

Peak-Temperature: 296 °C

Set free amount of heat: 1960 J/g

Applicant's summary and conclusion