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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
pH
Type of information:
other: handbook value
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
The Merck Index, an encyclopedia of chemicals, drugs, and biologicals
Author:
O'Neil M.J. (ed)
Year:
2013
Bibliographic source:
The Merck Index, 15th edition, Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Whitehouse Station, N.J., U.S.A., licensed to The Royal Society of Chemistry for use in the U.S.A. and Canada.

Materials and methods

Principles of method if other than guideline:
Data taken from handbook. Guideline unknown.

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
Test material form:
liquid
Specific details on test material used for the study:
- Name of test material (as cited in study report): Formaldehyde solution
- Composition of test material, percentage of components: ca. 37% (wt) of formaldehyde gas in water. Usually with 10 -15% methanol.

Results and discussion

pH value
Key result
pH value:
2.8 - 4

Applicant's summary and conclusion