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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
appearance / physical state / colour
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable, well documented publication which meets basic scientific principles

Data source

Reference
Reference Type:
other: EU Risk Assessment
Title:
European Union Risk Assessment Report 1,3-BUTADIENE, CAS No: 106-99-0, EINECS No:203-450-8
Author:
[ECB] European Chemicals Bureau
Year:
2002
Bibliographic source:
published; It can be accessed through the Europa Server (http://europa.eu.int).

Materials and methods

Principles of method if other than guideline:
EU Risk Assessment on the major component of C4 Hydrocarbons: 1,3-Butadiene
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Buta-1,3-diene
EC Number:
203-450-8
EC Name:
Buta-1,3-diene
Cas Number:
106-99-0
Molecular formula:
C4H6
IUPAC Name:
buta-1,3-diene
Details on test material:
- Name of test material (as cited in study report): 1,3-butadiene
- CAS number: 106-99-0
- EINECS number: 203-450-8

Results and discussion

Physical state at 20°C and 1013 hPa:
gaseous
Form / colour / odour
Colour:
colourless
Odour:
other: mild aromatic odour. The odour threshold is between 1.0 and 4.0 mg/m3.

Applicant's summary and conclusion

Executive summary:

The major component of C4 Hydrocarbons: 1,3 -butadiene is a colourless gas with a mild aromatic odour. The odour treshold limit is between 1.0 and 4.0 mg/m3 ( EU Risk Assessment Report 1,3 -BUTADIENE)