Registration Dossier
Registration Dossier
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EC number: 201-975-7 | CAS number: 90-20-0
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- State of the substance at 20°C and 101,3 kPa
- Year:
- 2 012
- Bibliographic source:
- McGraw-Hill Science & Technology Dictionary: H acid
- Report date:
- 2012
Materials and methods
- Principles of method if other than guideline:
- Database antry
Test material
- Reference substance name:
- 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid
- EC Number:
- 201-975-7
- EC Name:
- 4-amino-5-hydroxynaphthalene-2,7-disulphonic acid
- Cas Number:
- 90-20-0
- Molecular formula:
- C10H9NO7S2
- IUPAC Name:
- 4-amino-5-hydroxynaphthalene-2,7-disulfonic acid
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odouropen allclose all
- Form:
- powder
- Form:
- crystalline
- Colour:
- gray
- Odour:
- odourless
- Substance type:
- organic
Applicant's summary and conclusion
- Conclusions:
- gray powder or crystalline substance
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