Registration Dossier

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:
2012
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

Constituent 1
Chemical structure
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

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odouropen allclose all
Form:
crystalline
Colour:
gray
Odour:
odourless
Substance type:
organic

Applicant's summary and conclusion

Conclusions:
gray powder or crystalline substance