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Physical & Chemical properties

Flammability

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Link to relevant study record(s)

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Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water
Justification for type of information:
//It is scientifically not necessary to conduct the study because none of the constituens in the substance has molecules containing metals or metalloids. Experience in handling shows that the product does not react with water. The substance is not flammable in contact with water.
In accordance with UN Manual of Tests and Criteria* Appendix 6-Screening procedures-Section 5.3 Substances which in contact with water may react to emit flammable gases (Division 4.3), the classification procedure for substances which in contact with water may react to emit flammable gases does not need to be applied.

*ST/SG/AC.10/11/Rev.6 (Recommendations on the Transport of Dangerous Goods- Manual of Tests and Criteria)
Endpoint:
pyrophoric solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
Endpoint:
flammable solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:
Endpoint:
self-heating substances / mixtures
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:

Description of key information

Based on molecular structure and/or experience in handling, it was concluded that ammonium dihydrogenorthophosphate is not flammable when coming into contact with an ignition source, water or air. 

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification

Based on the available data, no classification according to CLP Regulation (EC) No 1272/2008 for the following hazards:

- Flammable solids

- Pyrophoric solids

- Self-heating substances

- Substances which in contact with water emits flammable gases