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Tert-Amyl Alcohol Acrylamide Sulphanilic Acid Isopropyl Acetate Potassium Sorbate

Home > Dyestuffs and Pigments > Ingrain Dyes > 3-Hydroxy-2'-Methyl-2-Naphthanilide Manufacturers > Naphthol AS-D

Naphthol AS-D

CAS NO.： 135-61-5

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Specification： ≥99.0%

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Lead Time： 14-30 days

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Packing： 25KG/Woven Bag

Product Detail

Properties

Naphthol AS-D

Alias:	--
Product name:	NAPHTHOL AS-D
CAS RN：	135-61-5
Index No.:	C.I.Azoic Coupling Component 18 (37520)
Molecular formula:	C₁₈H₁₅NO₂
Structural formula:
Molecular weight:	277.31
Appearance:	Ecru powder
Assay:	≥99%
Color light:	Near to standard substance
Intensity, molecule:	100±5 of standard substance
Melting point(dry product):	194°C
2.3 acid content:	≤0.08%
Unsoluble substance content in basic liquor:	≤0.14%
Insoluble residues in HCL :	--
Use:	Intermediates of organic pigments

Properties

Azoic Coupling Component 18 is mainly used in the production of insoluble azo dyes and in the dyeing and printing of cotton fibers, viscose fibers and some synthetic fibers. It is the main red primer for dyeing cotton fibers. The performance is similar to that of chlorophenol as, so it can be mixed to adjust the shade. Jujube red with red base B and rose red with red base RL. It is also used for dyeing vinylon, viscose fiber, silk and diacetate fiber. As-d is used as a base agent for cotton printing. It can produce orange, red, purple and blue colors with different color bases. It has low affinity to cotton and medium coupling ability. It is also used to make fast pigment and lake pigment.

CAS No.

135-61-5

Formula

C18H15NO2

Molecular Mass

277.31700

Exact Mass

277.11000

PSA

49.33000

Logp

4.17910

IUPAC

3-hydroxy-N-(2-methylphenyl)naphthalene-2-carboxamide

Matter Classification

organic

Category

Melting Point

190 ºC

Density

1.277 g/cm3

Boiling Point

399.7 ºC

Flash Point

195.5 ºC

Appearance

Beige powder

Acidity and Basicity

acidness

HS Code

29215900

UN No.

3077

DG-Class

9

Risk Code

R50/53

Safety Label

N

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Jiangsu Tianbo Chemical Co.,Ltd.

15YRS

Business Type：

Manufacturing

Country/Region：

Jiangsu, China

Contacts：

Cao Xiu

Position Title：

Sales Manager

Tel：

0086-519-86629378

Email：

tianbo@chemmail.net

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