ChemicalBook > CAS DataBase List > 1-[(2,5-dimethoxyphenyl)azo]-2-naphthol

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
2mg
Price
$59
Updated
2021/12/16
Biosynth Carbosynth
Product number
FD152665
Product name
1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Packaging
5mg
Price
$117
Updated
2021/12/16
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
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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

Carbosynth
Tel
--
Fax
--
Email
sales@carbosynth.com
Country
United Kingdom
ProdList
6005
Advantage
58
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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

6358-53-8, 1-[(2,5-dimethoxyphenyl)azo]-2-naphtholRelated Search:


  • 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
  • dyestuff