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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Flammability

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Administrative data

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Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24/04/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
GLP compliance:
yes (incl. QA statement)
Test procedure:
burning rate test: preliminary screening test
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period

The test item did not ignite at room temperature using a flame as ignition source being applief for at least 2 minutes.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item zinc formaldehyde sulphoxylate could not be ignited applying a flame as ignition source for at least 2 minutes.
The test item doesn't have to be classified as readily combustible solid in class 4.1. according to the UN transport regulation. The test item does not have to be classified as flammable solid according to GHS / CLP regulation EC 1272/2008 Annex 1 2:7.
Executive summary:

The test item zinc formaldehyde sulphoxylate could not be ignited applying a flame as ignition source for at least 2 minutes.

The test item doesn't have to be classified as readily combustible solid in class 4.1. according to the UN transport regulation. The test item does not have to be classified as flammable solid according to GHS / CLP regulation EC 1272/2008 Annex 1 2:7.

Endpoint:
substances / mixtures which in contact with water emit flammable gases
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13/06/2017 - 14/06/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.5 (Test method for substances which in contact with water emit flammable gases)
GLP compliance:
yes (incl. QA statement)
Test procedure:
step 1
Remarks on result:
no reaction with water observed
Remarks:
No evolution of gas could be observed.
Test procedure:
step 2
Remarks on result:
no reaction with water observed
Remarks:
No evolution of gas could be observed.
Test procedure:
step 3
Remarks on result:
no reaction with water observed
Remarks:
No evolution of gas could be observed.
Test procedure:
step 4
Remarks on result:
no reaction with water observed
Remarks:
No emitted gas volume could be measured.

No evolution of gas could be observed for step 1, 2, 3 and 4.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item zinc formaldehyde sulphoxylate does not emit gasses in contact with water in any of the 4 steps of the test procedure.
The test item has not to be classified in Class Division 4.3 'Substances which in contact with water emit flammable gases' according to the UN transport Regulations.
The test item has not to be classified as 'Substance or mixture which in contact with water emit flammable gases' according to GHS and EC 1272/2008 (CLP regulation) Annex 1: 2.12.
Executive summary:

The test item zinc formaldehyde sulphoxylate does not emit gasses in contact with water in any of the 4 steps of the test procedure.

The test item has not to be classified in Class Division 4.3 'Substances which in contact with water emit flammable gases' according to the UN transport Regulations.

The test item has not to be classified as 'Substance or mixture which in contact with water emit flammable gases' according to GHS and EC 1272/2008 (CLP regulation) Annex 1: 2.12.

Description of key information

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification