Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
phototransformation in air
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: QSAR
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6
Cross-reference
Reason / purpose for cross-reference:
reference to other study

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2010

Materials and methods

Principles of method if other than guideline:
Atkinson calculation
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
L-(+)-lactic acid
EC Number:
201-196-2
EC Name:
L-(+)-lactic acid
Cas Number:
79-33-4
IUPAC Name:
2-hydroxypropanoic acid
Constituent 2
Reference substance name:
Lactic acid
EC Number:
200-018-0
EC Name:
Lactic acid
Cas Number:
50-21-5
IUPAC Name:
2-hydroxypropanoic acid

Results and discussion

Dissipation half-life of parent compound
DT50:
1.8 d
Test condition:
OH radical degradation half life under a 12/12 light/dark cycle.

Applicant's summary and conclusion

Conclusions:
According to Atkinson's model, lactic acid has an atmospheric half life of 1.8 days due to OH radical reactions.
Executive summary:

According to Atkinson's model, lactic acid has an atmospheric half life of 1.8 days due to OH radical reactions.