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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
flammability
Remarks:
Pyrophoric liquids/solids (migrated from section 'Flammability')
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Modern study conducted under GLP to the appropriate guidelines.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: UN N.1
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Potassium dichromate
EC Number:
231-906-6
EC Name:
Potassium dichromate
Cas Number:
7778-50-9
Molecular formula:
K2Cr2O7
IUPAC Name:
sodium dichromate
Details on test material:
The test sample of potassium (VI) dichromate was 99.7% in purity.

Results and discussion

Pyrophoric solids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.
Pyrophoric liquids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.

Any other information on results incl. tables

The sample showed an exothermal reaction that started at about 380 ⁰C. The reaction temperatures did not reach the limit temperature of 400 ⁰C. The wire mesh basket was empty after the measurement. Potassium (VI) dichromate is classified as not undergoing spontaneous combustion.

Applicant's summary and conclusion

Interpretation of results:
non flammable
Remarks:
Migrated information
Conclusions:
Potassium (VI) dichromate is classified as not undergoing spontaneous combustion.
Executive summary:

Potassium (VI) dichromate was tested according to EC Test Procedure A 16. The sample showed an exothermal reaction that started at about 380 ⁰C. The reaction temperatures did not reach the limit temperature of 400 ⁰C. The wire mesh basket was empty after the measurement. Potassium (VI) dichromate is classified as not undergoing spontaneous combustion.