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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
mode of degradation in actual use
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
Non guideline study investigating the mechanism of degradation

Data source

Reference
Reference Type:
publication
Title:
Mechanism of formaldehyde biodegradation by Pseudomonas putida.
Author:
Adroer N, Casas C, de Mas C, Sola C
Year:
1990
Bibliographic source:
Appl. Microbiol. Biotechnol. 33, 217-220

Materials and methods

Test guideline
Qualifier:
no guideline followed

Test material

Constituent 1
Chemical structure
Reference substance name:
Formaldehyde
EC Number:
200-001-8
EC Name:
Formaldehyde
Cas Number:
50-00-0
Molecular formula:
CH2O
IUPAC Name:
formaldehyde
Details on test material:
- Name of test material (as cited in study report): formaldehyde

Results and discussion

Any other information on results incl. tables

The mechanism of formaldehyde degradation by Pseudomonas putida is initiated by a dismutation reaction, yielding formic acid and methanol as products. Degradation of the products began after exhaustion of formaldehyde in the medium.

Applicant's summary and conclusion

Conclusions:
The mechanism of formaldehyde degradation by Pseudomonas putida is initiated by a dismutation reaction, yielding formic acid and methanol as products
Executive summary:

The biodegradation of the test item was tested by a strain of  Pseudomonas putida without following a guideline. The results indicate that this biodegradation is initiated by a dismutation reaction, yielding as products formic acid and methanol. The degradation of methanol and formic acid
begins after exhaustion of formaldehyde in the medium, and presents a diauxic pattern: first formic acid
is consumed followed by methanol. Moreover, cell viability, which is affected by the amount of added formaldehyde, has been determined.