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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

not applicable

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The main constituents of the reaction mass of ammonium sulphate and potassium sulfate and sodium sulphate are all non-combustible solids and therefore, the flammability does not need to be determined.

References:

Sax, N. I. and Lewis, R. J. Sr. (eds.). Hawley's Condensed Chemical Dictionary. 11th ed.: Van Nostrand Reinhold Co., 1987, p. 71, cited in HSDB update on 14 Nov. 2007;

GESTIS Substance database of 'Berufsgenossenschaftlichen Instituts für Arbeitschutz' (BGIA), online 14 Nov. 2007;

GESTIS - database for hazardous substances.Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), online 25 Feb. 2010;

Environment, Tech Info for Problem Spills: Sodium Sulphate p. 47, 1985.

Justification for classification or non-classification

According to Regulation (EC) No 1272/2008 on classification, labelling and packaging (CLP) of substances and mixtures, the reaction mass of sulphates is considered not to be a flammable solid. The substance has no pyrophoric properties and does not liberate flammable gases on contact with water.