1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
![1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Structure](CAS/GIF/6358-53-8.gif)
- CAS No.
- 6358-53-8
- Chemical Name:
- 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
- Synonyms
- C.I.12156;CITRUSRED;CITRUSRED2;CITRUSREDNO.2;Solvent Red 80.;ditrus red 2-D6;C.I.Solvent Red 80;Blueberry red pigment;C.I.Solvent Red 80:C.I.12156;alpha-Naphthol Orange Solution
- CBNumber:
- CB4936181
- Molecular Formula:
- C18H16N2O3
- Molecular Weight:
- 308.33
- MDL Number:
- MFCD01712266
- MOL File:
- 6358-53-8.mol
- MSDS File:
- SDS
| Melting point | 155-157° |
|---|---|
| Boiling point | 448.73°C (rough estimate) |
| Density | 1.2510 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| pka | 13.61±0.50(Predicted) |
| Colour Index | 12156 |
| BRN | 4510811 |
| LogP | 3.129 (est) |
| FDA 21 CFR | 74.302 |
| Substances Added to Food (formerly EAFUS) | CITRUS RED NO. 2 |
| FDA UNII | 2QE5Y68984 |
| Proposition 65 List | Citrus Red No. 2 |
| IARC | 2B (Vol. 8, Sup 7) 1987 |
| EPA Substance Registry System | Citrus Red No. 2 (6358-53-8) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS08 |
|---|---|
| Signal word | Warning |
| Hazard statements | H351 |
| Precautionary statements | P281 |
| Hazard Codes | Xn |
| Risk Statements | 40 |
| Safety Statements | 45 |
| WGK Germany | 3 |
| RTECS | QL3675000 |
| Toxicity | citrus red is a color used for coloring the skin of mature oranges. This compound has been described as being carcinogenic. |
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol price More Price(8)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 89774 | Citrus Red 2 analytical standard | 6358-53-8 | 25mg | $166 | 2024-03-01 | Buy |
| Biosynth Carbosynth | FD152665 | 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol | 6358-53-8 | 10mg | $203 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FD152665 | 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol | 6358-53-8 | 25mg | $405 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CHM0313864 | 1-[(2,5-DIMETHOXYPHENYL)AZO]-2-NAPHTHOL 95.00% | 6358-53-8 | 5MG | $495.97 | 2021-12-16 | Buy |
| Biosynth Carbosynth | FD152665 | 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol | 6358-53-8 | 50mg | $704 | 2021-12-16 | Buy |
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Chemical Properties,Uses,Production
Uses
To color orange skins.
Preparation
2,5-Dimethoxyaniline diazotization, and Naphthalen-2-ol coupling.
Definition
ChEBI: Citrus Red No.2 is a member of azobenzenes.
General Description
Orange to yellow solid or dark red powder.
Air & Water Reactions
Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.
Reactivity Profile
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol is an azo compound. Toxic gases are formed by mixing compounds containing azo groups with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Hazard
Possible carcinogen.
Health Hazard
ACUTE/CHRONIC HAZARDS: When heated to decomposition it emits toxic fumes of NOx.
Fire Hazard
Flash point data for 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol are not available. 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol is probably combustible.
Safety Profile
Confirmed carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx
Properties and Applications
orange to red. Melting point of 155 ~ 157 ℃. Slightly soluble in water, slightly soluble in ethanol and rape oil.
1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569265 +86-18612256290 | 1056@dideu.com | China | 3842 | 58 |
| Shandong Zhishang New Material Co., Ltd. | +8617653113209 | sales002@sdzschem.com | China | 3050 | 58 |
| LEAP CHEM CO., LTD. | +86-852-30606658 | market18@leapchem.com | China | 24738 | 58 |
| Hangzhou MolCore BioPharmatech Co.,Ltd. | +86-057181025280; +8617767106207 | sales@molcore.com | China | 49739 | 58 |
| Shanghai HuanChuan Industry Co.,Ltd. | 021-61478794 | sales@hcshhai.com | China | 9798 | 50 |
| Credit Asia Chemical Co., Ltd. | +86 (21) 61124340 | China | 9767 | 58 | |
| Hubei Jusheng Technology Co.,Ltd | 027-59599241 18871490274 | 1400878000@qq.com | China | 9972 | 58 |
| LETOPHARM LIMITED | +86-21-5821 5861 | sales@letopharm.com | China | 2384 | 58 |
View Lastest Price from 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-07-20 | Citrus Red 2
6358-53-8
|
US $1.00-1.00 / KG | 1g | 99% | 50tons | Shaanxi Dideu Medichem Co. Ltd | |
 |
2021-07-02 | 1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol
6358-53-8
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd |
-
- Citrus Red 2
6358-53-8
- US $1.00-1.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-
- 1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol
6358-53-8
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd