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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 test guidelines
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Appearance of test chemical was determined.
GLP compliance:
no
Specific details on test material used for the study:
Name of the test chemical: 4-[[5-(anilino)carbonyl-2-methoxyphenyl]azo]-3-hydroxy-N-(3-nitrophenyl)naphthalene-2-carboxamide
IUPAC name: 3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(3-nitrophenyl)-2-naphthamide
Common Name: C. I Pigment Red 31
Molecular formula: C31 H23 N5 O6
Molecular weight: 561.56 g/mol
SMILES notation: C(=O)(c1c(O)c(N=Nc2c(OC)ccc(C(=O)Nc3ccccc3)c2)c2c(cccc2)c1)Nc1cc(N(=O)=O)ccc1
InChI: 1S/C31H23N5O6/c1-42-27-15-14-20(30(38)32-21-9-3-2-4-10-21)17-26(27)34-35-28-24-13-6-5-8-19(24)16-25(29(28)37)31(39) 33-22-11-7-12-23(18-22)36(40)41/h2-18,37H,1H3,(H,32,38)(H,33,39)/b35-34+
Substance type: Organic
Physical state: Solid Powder
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: particulate/powder
Colour:
Bright red
Odour:
other: no data
Substance type:
organic
Conclusions:
Based on available data from obtained report, the appearance of test chemical is observed to be an organic compound with bright red colored solid powder nature.
Executive summary:

Based on available data from obtained report, the appearance of test chemical is observed to be an organic compound with bright red colored solid powder nature.

Description of key information

Based on available data from obtained report, the appearance of test chemical is observed to be an organic compound with bright red colored solid powder nature.

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 test chemical is observed to be an organic compound with bright red colored solid powder nature.