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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other distribution data
Type of information:
(Q)SAR
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Estimation of volatilization from water based on a calculated HLC.
GLP compliance:
no
Type of study:
volatility
Media:
water - air

Test material

Constituent 1
Chemical structure
Reference substance name:
Butane-1,3-diol
EC Number:
203-529-7
EC Name:
Butane-1,3-diol
Cas Number:
107-88-0
Molecular formula:
C4H10O2
IUPAC Name:
butane-1,3-diol
Test material form:
liquid
Details on test material:
CAS Number: 107-88-0
SMILES : OCCC(O)C
CHEM : 1,3-Butanediol
MOL FOR: C4 H10 O2
MOL WT : 90.12

Results and discussion

Any other information on results incl. tables

Henry's Law Constant (HLC) at 25 °C: 0.0233 Pa*m³/mol

Using this HLC and the conditions indicated below the following half-lives for volatilization from rivers and lakes were calculated:

 

River 

Lake

Water depth (m)

1

1

Wind velocity (m/sec)

5

0.5

Current velocity (m/sec)

1

0.05

Half-life (hours)

2418

2.645E04

Half-life (days )

100.7

1102

Applicant's summary and conclusion

Conclusions:
Using a calculated HLC of 0.0233 Pa*m³/mol at 25 °C, volatilization half-lives of 101 and 1102 days were estimated for a model river and a model lake, respectively.