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Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
data from handbook or collection of data
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The physical appearance of 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride (CAS no. 6320-14-5) is observed.
GLP compliance:
not specified
Specific details on test material used for the study:
- Name of test material: 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride / Basic Red 12 / C.I. 48070
- IUPAC name: 1,3,3-trimethyl-2-[(1E)-3-[(2E)-1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene]prop-1-en-1-yl]-3H-indol-1-ium chloride
- Molecular formula: C25H29ClN2
- Molecular weight: 392.971 g/mole
- Smiles : c12c(C(C)(C)C(\N1C)=C/C=C/C=1C(c3ccccc3[N+]1C)(C)C)cccc2.[ClH-]
- Inchl: 1S/C25H29N2.ClH/c1-24(2)18-12-7-9-14-20(18)26(5)22(24)16-11-17-23-25(3,4)19-13-8-10-15-21(19)27(23)6;/h7-17H,1-6H3;1H/q+1;/p-1
- Substance type: Organic
- Physical state: Solid crystalline powder (Violet)
Physical state at 20°C and 1013 hPa:
solid
Key result
Form:
other: Solid crystalline powder
Colour:
violet
Odour:
other: no data
Substance type:
organic
Conclusions:
The physical appearance of 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride (CAS no. 6320-14-5) is observed as a violet colored solid crystalline powder organic compound.
Executive summary:

Based on available data from handbook, the physical appearance of 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene) prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride (CAS no. 6320-14-5) is observed as a violet colored solid crystalline powder organic compound.

Description of key information

The physical appearance of 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride (CAS no. 6320-14-5) is observed as a violet colored solid crystalline 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 handbook, the physical appearance of 2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene) prop-1-enyl]-1,3,3-trimethyl-3H-indolium chloride (CAS no. 6320-14-5) is observed as a violet colored solid crystalline powder organic compound.