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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Density

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Description of key information

Density (DTPMP-xK): The weight of evidence from company data is for specific gravity values in the range ca. 1.3 - 1.4 g/cm³ at ambient conditions for various commercial solutions.

Key value for chemical safety assessment

Additional information

The specific gravity of DTPMP-xK was read across from DTPMP acid. No relative density of solid values are available, but this does not constitute a data gap since no solid DTPMP acid products are known. A number of specific gravity values of individual commercial products are known. While the individual sources are secondary literature, meaning that in most cases the reliabilities are not assignable, overall the weight of evidence is taken to be adequately reliable for the purpose of registration, particularly in view of the acceptance of the data in the HPV program.

The following company data of non-assignable reliability are available:

1) A relative density of 1.3 - 1.4at 20 °C is reported for five separate commercialforms of this substance are listed in the online product specification data for a major European producer.

2)A specific gravity of 1.42 g/cm³ is reported in online product literature for a major European producer. The original reference was not available for review and no further information is available.

3)A typical specific gravity of 1.40 ± 0.02 at 25 °C

is reported in a company MSDS for a major European producer. The original reference was not available for review and no further information is available.

4)A typical specific gravity of 1390 – 1450 at 20°C was reported for the sodium salt in a company product data sheet for a major European importer. The original reference was not available for review and no further information is available.

5)Also, A typical specific gravity of 1370 – 1410 at 20°C was reported for the sodium salt is reported in a company MSDS for a major European producer. The original reference was not available for review and no further information is available.