Registration Dossier
Registration Dossier
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EC number: 231-135-5 | CAS number: 7440-25-7
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26 September 2000 to 12 October 2000
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- The study was performed to a good standard and in line with GLP, with a good level of reporting sufficient to assess the reliability of the results. As the study was not specific to determine the appearance/physical state/colour for the substance, the study has been allocated a reliability score of 2 as the observations performed are considered to be an accurate reflection of the physical state and colour of the test material.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Visual evaluations were made on the physical state and colour as the description of materials in a good quality acute oral toxicity study in rats. The toxicity study was performed in line with GLP and to a standardised guideline.
- GLP compliance:
- yes
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- powder
- Colour:
- grey
- Substance type:
- element
- Conclusions:
- The test material was described in an acute oral toxicity study as a grey powder.
- Executive summary:
Visual evaluations were made on the physical state and colour as the description of materials in a good quality acute oral toxicity study in rats. The toxicity study was performed in line with GLP and to a standardised guideline. The test material was described as a grey powder.
Reference
Description of key information
Visual evaluations were made on the physical state and colour as the description of materials in a good quality acute oral toxicity study in rats. The toxicity study was performed in line with GLP and to a standardised guideline.
The test material was described as a grey
powder.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
Additional information
The reference Blanchard (2000) included the description of the test material identity as part of a GLP compliant toxicological study performed in accordance with standardised guidelines. It is considered to be good descriptions of tantalum.
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