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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
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: As mention below
Principles of method if other than guideline:
On basis of visual perceptual/Olfactory property
GLP compliance:
not specified
Test material information:
Composition 1
Specific details on test material used for the study:
- Name of test material : 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] / C.I. Solvent Yellow 107
- IUPAC name : 2-[(E)-2-(4-{4-[(E)-2-(2-hydroxy-5-nonylphenyl)diazen-1-yl]-3-methylphenyl}-2-methylphenyl)diazen-1-yl]-4-nonylphenol
- Molecular formula : C44H58N4O2
- Molecular weight : 674.9682 g/mol
- Smiles notation : CCCCCCCCCC1=CC(=NNC2=C(C=C(C=C2)C3=CC(=C(C=C3)NN=C4C=C(C=CC4=O)CCCCCCCCC)C)C)C(=O)C=C1
- InChl : 1S/C44H58N4O2/c1-5-7-9-11-13-15-17-19-35-21-27-43(49)41(31-35)47-45-39-25-23-37(29-33(39)3)38-24-26-40(34(4)30-38)46-48-42-32-36 (22-28-44(42)50)20-18-16-14-12-10-8-6-2/h21-32,49-50H,5-20H2,1-4H3/b47-45+,48-46+
- Substance type: Organic
- Physical state: Solid (Off white to slight yellow)
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid
Colour:
Off white to light yellow
Odour:
other: no data
Substance type:
organic
Conclusions:
On the basis of physical observation and using the sense of smell, the 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] (CAS no. 67990-27-6) was observed to be off white to light yellow solid organic compound.
Executive summary:

On the basis of physical observation and using the sense of smell, the 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] (CAS no. 67990-27-6) was observed to be off white to light yellow solid organic compound.

Description of key information

On the basis of physical observation and using the sense of smell, the 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] (CAS no. 67990-27-6) was observed to be off white to light yellow solid organic compound.

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, the 2,2'-[(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-nonylphenol] (CAS no. 67990-27-6) was observed to be off white to light yellow solid organic compound.