Naphthol AS-D

Product Name: Naphthol AS-D
CAS No.: 135-61-5
Chemical Name: Naphthol AS-D
Synonyms: Naphta;CI 37520;Naphthoi;Azotol OT;Diathol D;Ultrazol D;Celcot RTO;Naftolo MD;NaphtazolD;Azoground D
CBNumber: CB9298150
Molecular Formula: C18H15NO2
Formula Weight: 277.32
MOL File: 135-61-5.mol

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Naphthol AS-D Property

Melting point:: 196-198 °C
Boiling point:: 399.7±35.0 °C(Predicted)
Density: 1.277±0.06 g/cm3(Predicted)
pka: 8.73±0.40(Predicted)
form: powder to crystal
Colour Index: 37520
color: White to Gray to Brown
NIST Chemistry Reference: 2-Naphthalenecarboxamide, 3-hydroxy-n-(2-methylphenyl)-(135-61-5)
EPA Substance Registry System: 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methylphenyl)- (135-61-5)

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Safety

Hazard Codes: N
Risk Statements: 50/53
Safety Statements: 60-61
RIDADR: UN 3077 9/PG 3
WGK Germany: 2
HS Code: 2924.29.7790
HazardClass: 9
PackingGroup: III

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: S351008
Product name: 3-HYDROXY-2'-METHYL-2-NAPHTHANILIDE
Purity: Aldrich<sup>CPR</sup>
Packaging: 1 unit
Price: $113
Updated: 2025/07/31

Sigma-Aldrich

Product number: S351008
Product name: 3-HYDROXY-2'-METHYL-2-NAPHTHANILIDE
Purity: Aldrich
Packaging: 1g
Price: $110
Updated: 2024/03/01

TCI Chemical

Product number: H0315
Product name: 3-Hydroxy-2'-methyl-2-naphthanilide
Purity: >97.0%(HPLC)
Packaging: 25g
Price: $71
Updated: 2025/07/31

TCI Chemical

Product number: H0315
Product name: 3-Hydroxy-2'-methyl-2-naphthanilide
Purity: >97.0%(HPLC)
Packaging: 500g
Price: $903
Updated: 2025/07/31

TRC

Product number: H949843
Product name: 3-Hydroxy-2''-methyl-2-naphthanilide
Packaging: 5g
Price: $65
Updated: 2021/12/16

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Naphthol AS-D Chemical Properties,Usage,Production

Chemical Properties

Beige powder. Soluble in solvent naphtha. Insoluble in water and soda ash solution.

Preparation

O-Methylaniline and 3-Hydroxy-2-naphthoic acid condensation.

Flammability and Explosibility

Non flammable

Purification Methods

Purify it by recrystallisation from xylene. This gives yellow-green fluorescent solutions at pH 8.2-9.5. [IR: Schnopper et al. Anal Chem 31 1542 1959.] The naphthol AS-D acetate is obtained with AcCl, m 168-169o, and with chloroacetyl chloride naphthol AS-D-chloroacetate is obtained [Moloney et al. J Histochem Cytochem 8 200 1960, Burstone Arch Pathology 63 164 1957]. [Beilstein 12 H 505.]

Properties and Applications

yellowish powder, melting point for 195 ~ 196 ℃. Insoluble in water solution and sodium carbonate, soluble in naphtha. In sodium hydroxide solution for yellow. Sensitive to air. Mainly used for cotton yarns, cotton fabric, PVA, viscose, silk and vinegar fiber dyeing, also can be used for direct printing, the cotton print and dye discharge printing, and can be used as a quick pigment and organic pigments intermediate. The affinity of cotton is low, medium coupled ability.

Naphthol AS-D Preparation Products And Raw materials

Raw materials

3-Hydroxy-2-naphthoic acid Carbon dioxide Phosphorus trichloride o-Toluidine Chlorobenzene

Preparation Products

Pigment Red 13

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Naphthol AS-D Suppliers

Americas 1 China 174 Czech Republic 1 Europe 1 Germany 3 India 35 Japan 4 Slovakia 1 South Korea 1 Switzerland 1 The Netherlands 1 United Kingdom 7 United States 21 Global 251

TCI Chemicals (India) Pvt. Ltd.

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Siena Chemicals Pvt., Ltd.

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Textile Colour and Chemical (Exports)

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Nitin Dye-Chem Pvt., Ltd.

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Americos Chemicals Pvt. Ltd.

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Vipri Dyes & Intermediates

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Winner Group of Companies

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Amritlal Chemaux Pvt Ltd.

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Bhagwati Industries

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Javerchand Khimji Rangwala

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Standardcon Pvt., Ltd.

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Jagson Colorchem Limited

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R.A Dyestuff (India) Pvt Ltd.

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Daikaffil Chemicals (India) Limited

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Emco Dyestuff Pvt. Ltd.

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Om Impex

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Pravin Dye-Chem Industries

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Emco Dyestuff Private Limited

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Jupiter Dyes Pvt. Ltd.

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Dye Chem House

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H.B Dye Chem. Industries

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View Lastest Price from Naphthol AS-D manufacturers

HANGZHOU HAILAN CHEMICAL CO.,LTD.

Product: Naphthol AS-D 135-61-5
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%min
Supply Ability: 20tons
Release date: 2025-09-15

Shaanxi Dideu New Materials Co. Ltd

Product: Naphthol AS-D 135-61-5
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98.0%
Supply Ability: 10000KGS
Release date: 2025-05-21

Hebei Chuanghai Biotechnology Co., Ltd

Product: Naphthol AS-D 135-61-5
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-11-25

135-61-5, Naphthol AS-DRelated Search:

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C.I. Azoic Coupling Component 110

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C.I. Developer 21

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AZOIC COUPLING COMPONENT 18

CI 37520

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3-HYDROXY-N-(2-METHYLPHENYL)-2-NAPHTHAMIDE

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3-hydroxy-N-o-tolyl-2-naphthamide

3-Hydroxynaphthalene-2-carbonyl (2-methylphenyl) amine

2-Hydroxy-3-Naphthoyl-O-Toluidine

2-Naphthalenecarboxamide-N-(2-methylphenyl)-3-hydroxy

NAPHTHOL AS-D C.I.NO.37520

2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methylphenyl)-

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