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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Appearance / physical state / colour

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
Not reported
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, guideline not known, information from published handbook, data compendium, review article or other reference text, acceptable with restrictions
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the CRC Handbook of Chemistry and Physics states that data for physical constants have been taken from many sources, including both compilations and the primary literature. Where conflicts were found, the value deemed most reliable was chosen. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified
Physical state at 20°C and 1013 hPa:
solid
Form:
other: hygroscopic crystals
Colour:
Yellow brown
Odour:
other: No data
Substance type:
inorganic
Conclusions:
At 20°C and 1013 hPa hexachloroplatinic acid is an inorganic solid of yellow brown hygroscopic crystals.
Executive summary:

This information is taken from a peer-reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint. At 20°C and 1013 hPa hexachloroplatinic acid is an inorganic solid of yellow brown hygroscopic crystals

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Statement on appearance taken from a Klimisch 1, GLP study on physico-chemical properties of this material
Qualifier:
no guideline followed
Principles of method if other than guideline:
No guideline - statement on appearance taken from K1 GLP study on the physico-chemical properties of this material
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
solid
Form:
solid
Colour:
Dark brownish red
Odour:
other: No data
Substance type:
inorganic
Conclusions:
Hexachloroplatinic acid is a dark brownish red solid.
Executive summary:

Information on the appearance of hexachloroplatinic acid is taken from the test material section of a GLP-compliant study on the physico-chemical properties of the material and is adequate for assessment as the key study for this endpoint. Hexachloroplatinic acid is a dark brownish red solid.

Description of key information

Hexachloroplatinic acid is described as a dark brownish red solid or an inorganic solid of yellow brown hygroscopic crystals.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Information on the appearance of hexachloroplatinic acid is taken from the CRC handbook, a reliable peer-reviewed handbook (Lide 2008) and also from the test material section of a GLP-compliant study on the physico-chemical properties of the material (Walker and White 2011). Both sources are considered to be reliable and suitable for use in a weight of evidence assessment for this endpoint.

Hexachloroplatinic acid is described as a dark brownish red solid or an inorganic solid of yellow brown hygroscopic crystals.