Articles:
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1-((2,5-dimethoxyphenyl)azo)-2-naphthol
Notes:
Colourant for orange skins. Allowed on fruit which is not to be processed. Use prohibited in orange peel for human consumption
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| CAS Number: | 6358-53-8 |  3D/inchi
|
| ECHA EINECS - REACH Pre-Reg: | 228-778-9 | |
| FDA UNII: | 2QE5Y68984 | |
| Beilstein Number: | 4510811 | |
| MDL: | MFCD01712266 | |
| XlogP3-AA: | 3.60 (est) | |
| Molecular Weight: | 308.33712000 | |
| Formula: | C18 H16 N2 O3 | |
| NMR Predictor: | Predict (works with chrome or firefox) | |
Category: coloring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
| Google Scholar: | Search |
| Google Books: | Search |
| Google Scholar: with word "volatile" | Search |
| Google Scholar: with word "flavor" | Search |
| Google Scholar: with word "odor" | Search |
| Perfumer and Flavorist: | Search |
| Google Patents: | Search |
| US Patents: | Search |
| EU Patents: | Search |
| Pubchem Patents: | Search |
| PubMed: | Search |
| NCBI: | Search |
| FDA Mainterm (SATF): | 6358-53-8 ; CITRUS RED NO. 2 |
| FDA Regulation: | |
| FDA PART 74 -- LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION Subpart A--Foods Sec. 74.302 Citrus Red No. 2. | |
Physical Properties:
| Assay: | 95.00 to 100.00 % |
| Food Chemicals Codex Listed: | No |
| Melting Point: | 156.00 °C. @ 760.00 mm Hg |
| Boiling Point: | 477.00 to 478.00 °C. @ 760.00 mm Hg (est) |
| Flash Point: | 469.00 °F. TCC ( 243.00 °C. ) (est) |
| logP (o/w): | 3.129 (est) |
| Soluble in: | |
| water, 0.2225 mg/L @ 25 °C (est) | |
Organoleptic Properties:
| Odor and/or flavor descriptions from others (if found). | |
Cosmetic Information:
| None found |
Suppliers:
| BOC Sciences |
| For experimental / research use only. |
| 1-((2,5-DIMETHOXYPHENYL)AZO)-2-NAPHTHOL 95% |
| Sigma-Aldrich |
| For experimental / research use only. |
| Citrus Red 2 |
Safety Information:
| Hazards identification | |
| Classification of the substance or mixture | |
| GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
| None found. | |
| GHS Label elements, including precautionary statements | |
| Pictogram | |
| Hazard statement(s) | |
| None found. | |
| Precautionary statement(s) | |
| None found. | |
| Oral/Parenteral Toxicity: | |
|
unreported-mouse LD50 > 4000 mg/kg FAO Nutrition Meetings Report Series. Vol. 46A, Pg. 30, 1969. | |
| Dermal Toxicity: | |
| Not determined | |
| Inhalation Toxicity: | |
| Not determined | |
Safety in Use Information:
| Category: | coloring agents | ||
| Recommendation for citrus red 2 usage levels up to: | |||
| not for fragrance use. | |||
| Recommendation for citrus red 2 flavor usage levels up to: | |||
| not for flavor use. | |||
Safety References:
| EPI System: | View |
| Chemical Carcinogenesis Research Information System: | Search |
| Cancer Citations: | Search |
| Toxicology Citations: | Search |
| EPA GENetic TOXicology: | Search |
| EPA Substance Registry Services (TSCA): | 6358-53-8 |
| EPA ACToR: | Toxicology Data |
| EPA Substance Registry Services (SRS): | Registry |
| Laboratory Chemical Safety Summary : | 9570225 |
| National Institute of Allergy and Infectious Diseases: | Data |
| WGK Germany: | 3 |
| (1Z)-1-[(2,5-dimethoxyphenyl)hydrazinylidene]naphthalen-2-one | |
| Chemidplus: | 0006358538 |
| EPA/NOAA CAMEO: | hazardous materials |
| RTECS: | QL3675000 for cas# 6358-53-8 |
References:
| (1Z)-1-[(2,5-dimethoxyphenyl)hydrazinylidene]naphthalen-2-one | |
| NIST Chemistry WebBook: | Search Inchi |
| Pubchem (cid): | 9570225 |
| Pubchem (sid): | 134988592 |
Other Information:
| (IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
| Videos: | The Periodic Table of Videos |
| tgsc: | Atomic Weights use for this web site |
| (IUPAC): | Periodic Table of the Elements |
| FDA Substances Added to Food (formerly EAFUS): | View |
| CHEBI: | View |
| KEGG (GenomeNet): | C19214 |
| HMDB (The Human Metabolome Database): | HMDB37521 |
| FooDB: | FDB016602 |
| FDA Listing of Food Additive Status: | View |
| FDA Color Additive Status List | View |
| ChemSpider: | View |
| Wikipedia: | View |
| Formulations/Preparations: citrus red number 2 used in food must contain minimum of 98% pure chemical (faowho, 1966; us code of federal regulations, 1974). | |
Potential Blenders and core components note
| None Found | ||
Potential Uses:
| None Found |
Occurrence (nature, food, other): note
| not found in nature |
Synonyms:
| c.i. 12156 | |
| C.I. solvent red 80 | |
| CI solvent red 80 | |
| citrus red no. 2 | |
| 2,5- | dimethoxybenzeneazo-beta-naphthol |
| 1-((2,5- | dimethoxyphenyl)azo)-2-naphthalenol |
| 1-((2,5- | dimethoxyphenyl)azo)-2-naphthol |
| 1-(1-(2,5- | dimethoxyphenyl)azo)-2-naphthol |
| (1Z)-1-[(2,5- | dimethoxyphenyl)hydrazinylidene]naphthalen-2-one |
| 1-(2,5- | dimethoxyphenylazo)-2-naphthol |
| 1-(2,5- | dimethyloxyphenylazo)-2-naphthol |
| 2- | naphthalenol, 1-((2,5-dimethoxyphenyl)azo)- |
| 2- | naphthalenol, 1-[(2,5-dimethoxyphenyl)azo]- |
| 2- | naphthol, 1-((2,5-dimethoxyphenyl)azo)- |
| 2- | naphthol, 1-(2,5-dimethoxyphenylazo)- |
| solvent red 80 |