ChemicalBook > CAS DataBase List > 4-PHENYLAZO-1-NAPHTHYLAMINE

4-PHENYLAZO-1-NAPHTHYLAMINE

Product Name: 4-PHENYLAZO-1-NAPHTHYLAMINE
CAS No.: 131-22-6
Chemical Name: 4-PHENYLAZO-1-NAPHTHYLAMINE
Synonyms: BNA;Nsc 13974;CI NO 11350;NAPHTHYL RED;AURORA KA-7777;A-NAPHTHYL RED;nubianyellowtb;SOLVENT YELLOW 4;Nubian Yellow TB;ALPHA-NAPHTHYL RED
CBNumber: CB9329478
Molecular Formula: C16H13N3
Formula Weight: 247.29
MOL File: 131-22-6.mol

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4-PHENYLAZO-1-NAPHTHYLAMINE Property

Melting point:: 124°C
Boiling point:: 380.33°C (rough estimate)
Density: 1.1633 (rough estimate)
refractive index: 1.6470 (estimate)
solubility: Solubility Virtually insoluble in water; slightly soluble in ethanol; soluble in acetone, benzene,ethyl acetate, toluene, xylene
Colour Index: 11350
pka: 2.70(at 25℃)
form: crystals
color: Dark red
PH Range: Red (3.7) to yellow (5.0)
λmax: 439nm
Major Application: Display device, semiconductor, sensors, photosensitive materials, recording materials, fooding materials, imaging materials, inks, engraving coatings, lubricants, hair dyes, food storage, dental materials
CAS DataBase Reference: 131-22-6(CAS DataBase Reference)
EPA Substance Registry System: 1-Naphthalenamine, 4-(phenylazo)- (131-22-6)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: QJ0360000
HS Code: 2927.00.5000
Toxicity: mma-sat 500 mg/plate AEMIDF 42,641,81

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

TCI Chemical

Product number: P0584
Product name: 4-Phenylazo-1-naphthylamine
Packaging: 5G
Price: $71
Updated: 2025/07/31

TCI Chemical

Product number: P0584
Product name: 4-Phenylazo-1-naphthylamine
Purity: >95.0%(T)
Packaging: 25g
Price: $221
Updated: 2025/07/31

TRC

Product number: P319668
Product name: 4-(Phenylazo)-1-naphthalenamineHydrochloride
Packaging: 500mg
Price: $60
Updated: 2021/12/16

Chem-Impex

Product number: 38522
Product name: 4-Phenylazo-1-naphthylamine,≥95%(Assaybytitration),CI11350
Purity: ≥95%(Assaybytitration)
Packaging: 25G
Price: $238.78
Updated: 2021/12/16

AK Scientific

Product number: 6324AF
Product name: 4-Phenylazo-1-naphthylamine
Packaging: 25g
Price: $329
Updated: 2021/12/16

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4-PHENYLAZO-1-NAPHTHYLAMINE Chemical Properties,Usage,Production

Preparation

aniline diazotization, and Naphthalen-1-amine coupling.

Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NOx.

Purification Methods

Crystallise the dye from cyclohexane or aqueous EtOH. [Brode et al. J Am Chem Soc 74 4641 1952, Beilstein 16 H 361, 16 III 406, 16 IV 546.]

Properties and Applications

brilliant red light yellow to brilliant yellow orange (mineral oil). Red acicular crystal, melting point 123 ℃. Soluble in alcohol and benzene. In concentrated sulfuric acid for magenta; After dilution for red light brown, precipitation, At 2% hot hydrochloric acid solution for magenta solution, there are residues. Dye alcohol solution to join concentrated sodium hydroxide solution for yellow brown. Used for oil, paraffin wax, paint color.

Standard	Light Fastness	Heat-resistant(℃)		Water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
		Melting point	Stable
ISO	Well	109	75	Insoluble	No change	Poor

4-PHENYLAZO-1-NAPHTHYLAMINE Preparation Products And Raw materials

Raw materials

1-Naphthylamine

Preparation Products

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4-PHENYLAZO-1-NAPHTHYLAMINE Suppliers

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131-22-6, 4-PHENYLAZO-1-NAPHTHYLAMINERelated Search:

DISPERSE ORANGE 13 Direct Blue 78 4-PHENYLAZO-1-NAPHTHYLAMINE LUXOL FAST BLUE ARN BLACK PN Direct Blue 71 Solvent Black 3 DISPERSE BLACK 1 ACID BLACK 24 4,4'-BIS(4-AMINO-1-NAPHTHYLAZO)-2,2'-STILBENEDISULFONIC ACID ACID BLUE 113 ACID BLUE 120 ACID ORANGE 51 Direct Black 80 Sudan Red 7B 1-PHENYLAZO-2-NAPHTHYLAMINE 4-PHENYLAZO-1-NAPHTHYLAMINE HYDROCHLORIDE 1-Naphthylamine hydrochloride

4-(phenylazo)-1-naphthalenamin

4-[(E)-Phenyldiazenyl]-1-naphthalenamine

4-Benzeneazo-1-naphthylamine

4-Benzene-azo-alpha-naphthylamine

CI NO 11350

BENZENEAZO-1-NAPHTHYLAMINE

AURORA KA-7777

4-(phenyldiazenyl)naphthalen-1-amine

ALPHA-NAPHTHYL RED HYDROCHLORIDE INDICATOR

C.I. Solvent Yellow 4 (8CI)

4-PHENYLAZO-NAPHTHYLAMINE

ALPHA-Naphthyl red (C.I. 11350)

4-PHENYLAZO-1-NAPHTHYLAMINE 95+%

4-PHENYLAZO-1-NAPHTHYLAMINE HYDROCHLORIDE 97+%

BNA

C.I. Solvent Yellow 4

SOLVENT YELLOW 4

NAPHTHYL RED

4-PHENYLAZO-1-NAPHTHYLAMINE

4-BENZENE-AZO-ALPHA-NAPTHYLAMINE

ALPHA-NAPHTHYL RED

A-NAPHTHYL RED

4-(Phenylazo)-1-naphthalenamine

4-Phenylazo-1-naphthalenamine

1-Amino-4-phenylazonaphthalene

1-Naphthalenamine, 4-(phenylazo)-

1-Naphthylamine, 4-(phenylazo)-

Naphthyl Red Solvent Yellow 4

Nsc 13974

c.i.solventyellow4

C.I.SolventYellow4(11350)-Naphthylred

Naphthalene, 1-phenylazo-4-amino-

Nubian Yellow TB

nubianyellowtb

Phenylazo-alpha-naphthylamine

phenylazoalpha-naphthylamine

4-Phenylazo-1-naphthylamine&gt

1-Naphthalenamine, 4-(2-phenyldiazenyl)-

C.I.Solvent Yellow 4:C.I.11350

131-22-6

C6H5NNC10H6NH2HCl

C6H5N2C10H6NH2

C16H13N3

Azo