Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate

Appearance / physical state / colour

Link to relevant study record(s)

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

Guideline:

other: as mentioned below

Principles of method if other than guideline:

The appearance of Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was observed.

GLP compliance:

not specified

Specific details on test material used for the study:

- Name of test material: Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
- IUPAC name: Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate
- Molecular formula: C22H15N4O4S.Na
- Molecular weight: 455.448 g/mole
- Smiles : c12c(\N=N\c3ccc(\N=N\c4ccc(S(O)(=O)=O)cc4)cc3)c(ccc1cccc2)O.[Na+]
- Inchl: 1S/C22H16N4O4S.Na/c27-21-14-5-15-3-1-2-4-20(15)22(21)26-25-17-8-6-16(7-9-17)23-24-18-10-12-19(13-11-18)31(28,29)30;/h1-14,27H, (H,28,29,30);/q;+1/b24-23+,26-25+;
- Substance type: Organic
- Physical state: Solid powder (red to brown)

Physical state at 20°C and 1013 hPa:

solid

Key result

Form:

solid: particulate/powder

Colour:

red to brown

Odour:

other: no data

Substance type:

organic

Conclusions:

The appearance of Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was observed to be solid red to brown powder organic compound.

Executive summary:

Based on available data from obtained report, the appearance of Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was observed to be solid red to brown powder organic compound.

Description of key information

The appearance of Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was observed to be solid red to brown powder 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 report, the appearance of Sodium 4-(4-(2-hydroxynaphthalenylazo)phenylazo)benzenesulphonate was observed to be solid red to brown powder organic compound.