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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.
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The appearance of Acid Yellow 49 (CAS no. 12239-15-5) was observed.
GLP compliance:
not specified
Test material information:
Composition 1
Specific details on test material used for the study:
- Name of test material: 4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichlorobenzenesulphonic acid / Acid Yellow 49
- IUPAC name: 4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichlorobenzenesulphonic acid
- Molecular formula: C16H13Cl2N5O3S
- Molecular weight: 426.283 g/mole
- Smiles :n1(c2ccccc2)c(c(\N=N\c2c(cc(S(O)(=O)=O)c(c2)Cl)Cl)c(n1)C)N
- Inchl: 1S/C16H13Cl2N5O3S/c1-9-15(16(19)23(22-9)10-5-3-2-4-6-10)21-20-13-7-12(18)14(8-11(13)17)27(24,25)26/h2-8H,19H2,1H3,(H,24,25,26)/b21-20+
- Substance type: Organic
- Physical state: Solid powder (yellow)
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
solid: particulate/powder
Colour:
Yellow
Odour:
other: no data
Substance type:
organic
Conclusions:
The appearance of Acid Yellow 49 (CAS no. 12239-15-5) was observed to be yellow powder organic compound.
Executive summary:

Based on available data from obtained report, the appearance of Acid Yellow 49 (CAS no. 12239-15-5) was observed to be yellow powder organic compound.

Description of key information

The appearance of Acid Yellow 49 (CAS no. 12239-15-5) was observed to be yellow 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 Acid Yellow 49 (CAS no. 12239-15-5) was observed to be yellow powder organic compound.