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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
2010-02-01 to 2010-02-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
no guideline required
Principles of method if other than guideline:
Expert judgement of the appearance of the test substance.
GLP compliance:
yes (incl. QA statement)
Remarks:
signed 2009-10-29
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
white
Odour:
odourless
Substance type:
inorganic
Conclusions:
The test substance Zinc selenite appears as a white odourless inorganic powder.
Endpoint:
appearance / physical state / colour
Type of information:
other: Handbook data
Adequacy of study:
weight of evidence
Study period:
no data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Handbook data considered to be from a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance".
Qualifier:
no guideline required
Principles of method if other than guideline:
Not applicable - Handbook data
GLP compliance:
not specified
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
white
Odour:
odourless
Substance type:
inorganic
Conclusions:
According to the reference, zinc selenite appears as a white odourless inorganic powder.
Endpoint:
appearance / physical state / colour
Type of information:
other: secondary data
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Information received directly from the manufacturer.
GLP compliance:
not specified
Physical state at 20°C and 1013 hPa:
solid
Form:
powder
Colour:
white
Odour:
odourless
Substance type:
inorganic
Conclusions:
According to the reference, the substance appears as a white odourless powder.

Description of key information

According to all thee references (CRC, 2008; Krack, 2010; EC safety data sheet, 2009), zinc selenite appears as a white odourless inorganic powder under atmospheric pressure and room temperature.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Handbook data considered to be from a trusted source acc. to "ECHA, Guidance on information requirements and chemical safety assessment – Chapter R.7a: Endpoint specific guidance" and therefore, the description of zinc selenite could be regarded as valid. Furthermore, the expert judgement from Krack (2010) is considered reliable without restrictions.