3,4-dichlorobut-1-ene

Hydrolysis

Administrative data

Endpoint:

hydrolysis

Type of information:

experimental study

Adequacy of study:

other information

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Adopted according to OECD SIDS. The original source is not available and has not been reviewed.

Data source

Reference

Reference 1

Reference Type:

secondary source

Title:

3,4-Dichlorobut-1-ene - CAS No: 760-23-6

Author:

OECD SIDS

Year:

2003

Bibliographic source:

SIDS Initial Assessment Report for SIAM 11, UNEP Publications

Reference 2

Reference Type:

other: unpublished data

Title:

Unnamed

Year:

1992

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 111 (Hydrolysis as a Function of pH)

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

3,4-dichlorobut-1-ene

EC Number:

212-079-0

EC Name:

3,4-dichlorobut-1-ene

Cas Number:

760-23-6

Molecular formula:

C4H6Cl2

IUPAC Name:

3,4-dichlorobut-1-ene

Details on test material:

Source: Tokyo Kasei Kogyo
purity: 99.6%

Radiolabelling:

not specified

Results and discussion

Identity of transformation products

No.:

#1

Reference

Reference substance name:

Unnamed

IUPAC name:

1,4-dihydroxybut-2-ene

Identifier:

common name

Identity:

1,4-dihydroxybut-2-ene

Dissipation DT50 of parent compound

Dissipation DT50 of parent compound 1

pH:

4

Temp.:

25 °C

DT50:

20.9 d

Type:

not specified

Dissipation DT50 of parent compound 2

pH:

7

Temp.:

25 °C

DT50:

33.3 d

Type:

not specified

Dissipation DT50 of parent compound 3

pH:

9

Temp.:

25 °C

DT50:

35 d

Type:

not specified

Applicant's summary and conclusion

Conclusions:

This chemical is hydrolized at pH 4, 7 and 9 at 25 °C with half-life of 20-35 days.