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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data is from GESTIS - Substance Database

Data source

Reference
Reference Type:
other: Authoritative data base
Title:
pH
Author:
IFA (GESTIS)
Year:
2015
Bibliographic source:
GESTIS - Substance Database (Information system on hazardous substances of the Berufsgenossenschaften)

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as below
Principles of method if other than guideline:
Data is from GESTIS - Substance Database
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Thiosemicarbazide
EC Number:
201-184-7
EC Name:
Thiosemicarbazide
Cas Number:
79-19-6
Molecular formula:
CH5N3S
IUPAC Name:
hydrazinecarbothioamide
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): Thiosemicarbazide
- Molecular formula (if other than submission substance): CH5N3S
- Molecular weight (if other than submission substance): 91.14
- Substance type: Organic
- Physical state: Solid

Results and discussion

pH value
pH value:
5 - 7
Temp.:
20 °C
Concentration:
13 000 mg/L

Applicant's summary and conclusion

Conclusions:
The pH of 13000 mg/L solution of thiosemicarbazide is found to be 5-7 at 20°C
Executive summary:

The pH of 13000 mg/L solution of thiosemicarbazide is found to be 5-7 at 20°C.