Registration Dossier
Registration Dossier
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EC number: 203-004-2 | CAS number: 102-08-9
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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Visual method
- GLP compliance:
- no
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material: MLPC sample
- Purity test date: according to the standard description - Physical state at 20°C and 1013 hPa:
- solid
- Form:
- powder
- Colour:
- white - slightly staining, slightly clouring
- Substance type:
- organic
- Conclusions:
- Solid at 20°C - white powder slightly staining, slightly clouring
- Executive summary:
DPTU (1,3 -diphenyl-2 -thiourea) is at 25°C a white powder, slightly staining, slightly clouring
Reference
Description of key information
solid powder white to grey.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- solid: particulate/powder
- Colour:
- white
Additional information
- According to the Merck index, DPTU is a white cristalline solid with adistinct bitter taste.
- According to The Condensed Chemical Dictionary (1977), DPTU is a grey powder.
- According to Sax (1975), a white to faint gray powder.
- DPTU is at 25°C a white powder, slightly staining, slightly coloured (technical data sheet).
Four references are found, with the following conclusion:
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