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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)
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: As mention below
Principles of method if other than guideline:
On basis of visual perceptual/Olfactory property
GLP compliance:
no
Specific details on test material used for the study:
- Name of test material (IUPAC name): 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide
- Molecular formula: C18H17ClN4O5
- Molecular weight: 404.808 g/mol
- Smiles notation: O=C(Nc1ccc(OCC)cc1)[C@@H](\N=N\c1c([N+](=O)[O-])cc(cc1)Cl)C(=O)C
- InChl: 1S/C18H17ClN4O5/c1-3-28-14-7-5-13(6-8-14)20-18(25)17(11(2)24)22-21-15-9-4-12(19)10-16(15)23(26)27/h4-10,17H,3H2,1-2H3,(H,20,25)/b22-21+
- Substance type: Organic
- Physical state: Solid
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: particulate/powder
Colour:
Reddish yellow
Odour:
other: No detail available
Substance type:
organic
Conclusions:
On the basis of physical observation and using the sense of smell, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.
Executive summary:

On the basis of physical observation and using the sense of smell, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.

Description of key information

On the basis of physical observation and using the sense of smell, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

On the basis of physical observation and using the sense of smell, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.