solvent yellow 18
3H-pyrazol-3-one, 4-((2,4-dimethylphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-
Identification
| Name | solvent yellow 18 |
| CAS Number | 6407-78-9 |
| EINECS | 229-043-5 |
| FDA UNII | Search |
| Molecular Formula | C18 H18 N4 O |
| Molecular Weight | 306.36866000 |
| Nikkaji Number | J34.032D |
Regulatory
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Boiling Point | 497.77 °C. @ 760.00 mm Hg (est) |
| Flash Point | 491.00 °F. TCC ( 254.80 °C. ) (est) |
| logP (o/w) | 3.546 (est) |
| Soluble in | water, 0.06294 mg/L @ 25 °C (est) |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | hair dyeing agents |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | hair dyeing agents |
| Recommendation for solvent yellow 18 usage levels up to | not for fragrance use. |
| Recommendation for solvent yellow 18 flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
c.i. 12740
4-((2,4-
dimethylphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
4-[(2,4-
dimethylphenyl)diazenyl]-5-methyl-2-phenyl-4H-pyrazol-3-one
3H-
pyrazol-3-one, 4-((2,4-dimethylphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl-
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