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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
oxidising solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17.01.2018 - 06.02.2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.17 (Oxidising Properties (Solids))
Deviations:
no
GLP compliance:
not specified
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Test material

Constituent 1
Chemical structure
Reference substance name:
Pyrogallol
EC Number:
201-762-9
EC Name:
Pyrogallol
Cas Number:
87-66-1
Molecular formula:
C6H6O3
IUPAC Name:
benzene-1,2,3-triol
impurity 1
Reference substance name:
unknown impurities
IUPAC Name:
unknown impurities
Test material form:
not specified
Details on test material:
not specified
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material:
20170710
- Expiration date of the lot/batch:
not specified
- Purity test date:
not specified

RADIOLABELLING INFORMATION (if applicable)
not applicable
- Radiochemical purity:
- Specific activity:
- Locations of the label:
- Expiration date of radiochemical substance:

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:
4°C
- Stability under test conditions:
not specified
- Solubility and stability of the test substance in the solvent/vehicle:
not specified
- Reactivity of the test substance with the solvent/vehicle of the cell culture medium:
not relevant

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
not specified
- Preliminary purification step (if any):
not relevant
- Final dilution of a dissolved solid, stock liquid or gel:
not relevant
- Final preparation of a solid:
not relevant

FORM AS APPLIED IN THE TEST (if different from that of starting material): not relevant

TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)
not applicable

OTHER SPECIFICS: not specified

Study design

Contact with:
powdered cellulose

Results and discussion

Test results (Oxidising solids)open allclose all
Key result
Sample tested:
1:1 sample-to-cellulose ratio
Parameter:
burning rate
Result:
3 s
Key result
Sample tested:
1:1 sample-to-cellulose ratio
Parameter:
burning time of reaction over a distance of 200 mm
Result:
> 50 s

Any other information on results incl. tables

the 1:1 sample-to-cellulose ratio mixture was rapported to the following mixture:

(i) 2:3 mixture potassium bromate + cellulose (ratio 25:75)

(ii) 10:90 mixture potassium bromate + cellulose ratio

(iii) 50:50 mixture potassium bromate + cellulose ratio

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The sample burns in 3 sec with a speed <1 second/cm of the surface.
The combustion reaction time is 2 seconds.
The reaction speed (at distance > 200 mm) is > 50 seconds.
Executive summary:

No classification for oxidising properties required.