1-[(2,5-dimethoxyphenyl)azo]-2-naphthol

Product Name: 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol
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;Citrus Red 2 in Acetonitrile
CBNumber: CB4936181
Molecular Formula: C18H16N2O3
Formula Weight: 308.33
MOL File: 6358-53-8.mol

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1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Property

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)
IARC: 2B (Vol. 8, Sup 7) 1987
EPA Substance Registry System: Citrus Red No. 2 (6358-53-8)

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Safety

Hazard Codes: Xn
Risk Statements: 40
Safety Statements: 45
WGK Germany: 3
RTECS: QL3675000
Hazardous Substances Data: 6358-53-8(Hazardous Substances Data)
Toxicity: citrus red is a color used for coloring the skin of mature oranges. This compound has been described as being carcinogenic.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H351Suspected of causing cancer
Precautionary statements: P281Use personal protective equipment as required.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 89774
Product name: Citrus Red 2
Purity: analytical standard
Packaging: 25mg
Price: $166
Updated: 2024/03/01

Biosynth Carbosynth

Product number: FD152665
Product name: 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Packaging: 10mg
Price: $203
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD152665
Product name: 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Packaging: 25mg
Price: $405
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0313864
Product name: 1-[(2,5-DIMETHOXYPHENYL)AZO]-2-NAPHTHOL
Purity: 95.00%
Packaging: 5MG
Price: $495.97
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FD152665
Product name: 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Packaging: 50mg
Price: $704
Updated: 2021/12/16

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1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Chemical Properties,Usage,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

Raw materials

Preparation Products

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1-[(2,5-dimethoxyphenyl)azo]-2-naphthol Suppliers

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View Lastest Price from 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol manufacturers

Shaanxi Dideu Medichem Co. Ltd

Product: Citrus Red 2 6358-53-8
Price: US $1.00-1.00/KG
Min. Order: 1g
Purity: 99%
Supply Ability: 50tons
Release date: 2020-04-22

Zhuozhou Wenxi import and Export Co., Ltd

Product: 1-((2,5-Dimethoxyphenyl)diazenyl)naphthalen-2-ol 6358-53-8
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-26

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Blueberry red pigment

C.I.12156

C.I.Solvent Red 80

1-((2,5-DiMethoxyphenyl)diazenyl)naphthalen-2-ol

1-[(2,5-dimethoxyphenyl)azo]-2-naphthol

Solvent Red 80.

1-(2,5-DIMETHYLPHENYLAZO)-2-NAPHTHOL

CITRUSRED

CITRUSRED2

CITRUSREDNO.2

alpha-Naphthol Orange Solution

2-Naphthalenol, 1-[2-(2,5-dimethoxyphenyl)diazenyl]-

Citrus red 2 Solution, 100μg/mL

1-[(2,5-dimethoxyphenyl)azo]-2-naphthol USP/EP/BP

C.I.Solvent Red 80:C.I.12156

Non-toxic orange dye Citrus Red

ditrus red 2-D6

Citrus Red 2, Solvent red 80 C.I.12156

Citrus Red 2 in Acetonitrile

6358-53-8

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