Registration Dossier
Registration Dossier
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EC number: 231-043-5 | CAS number: 7420-89-5
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: visual evaluation
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: visual evaluation is deemed acceptable to fullfil the information requirements
Data source
Materials and methods
Test material
- Reference substance name:
- Disodium 1,5-dihydroxypentane-1,5-disulphonate
- Cas Number:
- 7420-89-5
- Molecular formula:
- C5H10Na2O8S2
- IUPAC Name:
- Disodium 1,5-dihydroxypentane-1,5-disulphonate
- Reference substance name:
- Sodium sulfate
- Cas Number:
- 7757-82-6
- IUPAC Name:
- Sodium sulfate
- Reference substance name:
- Sodium hydrogen sulfite
- Cas Number:
- 7631-90-5
- IUPAC Name:
- Sodium hydrogen sulfite
Constituent 1
impurity 1
impurity 2
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Key result
- Form:
- solid: particulate/powder
- Colour:
- white
- Odour:
- odourless
Applicant's summary and conclusion
- Conclusions:
- At 20 °C and 1013 hPa the substance is a white powdery solid.
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