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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Administrative data

Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2020-05-05 til 2020-05-21
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2020
Report date:
2020

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
Manganese-(II)-hexacyanomanganate (II) sodium salts
EC Number:
847-971-4
Cas Number:
2363126-59-2
Molecular formula:
NaxMny[Mn(CN)6]z X = 1.2-1.4; Y = 1.0; Z = 0.8-0.85
IUPAC Name:
Manganese-(II)-hexacyanomanganate (II) sodium salts
impurity 1
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
Oxidane
Test material form:
solid: particulate/powder

Results and discussion

Flammable solids
Key result
Test procedure:
burning rate test: preliminary screening test
Burning time:
ca. 3 s
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

Applicant's summary and conclusion

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item has been determined to be not highly flammable as it did not propagate combustion over the 200 mm of the preliminary screening test in under 4 minutes.
Executive summary:

The determination was carried out by measuring the burning rate of test item prepared as a pile of set dimensions, using a procedure designed to be compatible with Method A.10 Flammability (Solids) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

A mould (250 mm long x 20 mm wide x 10 mm high) was loosely filled with test item (tested as received). A non-combustible, non-porous board was placed onto the mould which was then inverted. The mould was removed and an air-rich Bunsen burner flame applied to one end of the pile until ignition occurred; the time taken to propagate 200 mm was recorded.

The pile ignited with a small orange flame which self-extinguished after 3 seconds. A red glowing reaction then propagated over 200mm in 30 minutes 9 seconds. The result of the preliminary screening test obviated the need to perform the main test.