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Physical & Chemical properties

Appearance / physical state / colour

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Reference
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 generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Experimental test result performed using standard OECD test guidelines.
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The appearance of 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid was observed.
GLP compliance:
not specified
Specific details on test material used for the study:
Name of the test chemical: 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid
Molecular formula: C16H13NO7S2
Molecular weight: 395.4107 g/mol
Smiles Notation: c1cc(cc(c1)S(=O)(=O)O)Nc2ccc3cc(cc(c3c2)O)S(=O)(=O)O
InChI: 1S/C16H13NO7S2/c18-16-9-14(26(22,23)24)6-10-4-5-12(8-15(10)16)17-11-2-1-3-13(7-11)25(19,20)21/h1-9,17-18H,(H,19,20,21)(H,22,23,24)
Substance Type: Organic
Physical State: Solid
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: crystalline
Colour:
light grey
Odour:
other: no data
Substance type:
organic
Conclusions:
The appearance of 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid was observed as light grey colored crystalline solid organic compound.
Executive summary:

Based on available data from obtained reports, the appearance of 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid was observed as light grey colored crystalline solid organic compound.

Description of key information

The appearance of 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid was observed as light grey colored crystalline solid organic compound.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

Based on available data from obtained reports, the appearance of 4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid was observed as light grey colored crystalline solid organic compound.