3-Hydroxy-3'-Nitro-2-Naphthanilide

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

CAS NO.： 135-65-9

FOB Price： NEGOTIABLE Get Latest Price

Specification： 98%

Documentation：

COA

Lead Time： 1-2 weeks

Max Capacity： 300MT/Year

Pallets Packing	20'FCL		40'FCL
Pallets Packing	With	Without	With	Without
12000KG/Jumbo Bag	12000 MT	14000 MT	--	--
25KG/Woven Bag	--	--	--	--

Overview

Properties

OVERVIEW

Naphthol AS-BS

Chemical name: 3-hydroxy-N - (3-nitrophenyl) - 2-naphthyl formamide

CAS No.: 135-65-9

Molecular formula: C17H12N2O4

Molecular weight: 308.29

EINECS No.: 205-209-2

Chemical property: yellow-green powder. Soluble in acetic acid. It is yellow when dissolved in caustic soda solution. It is insoluble in water and soda ash solution.

Usage: Tryptophan AS-BS is mainly used as cotton dyeing red primer. It can be used with bright red base R to get rose red, and with bright red base G to get bright pink with blue light. It can also be mixed with tryptophan AS or tryptophan AS-OL for priming, and then combined with bright red base G to obtain a very bright red color. It can also be used to dye vinylon, viscose fiber, silk and to make fast pigment and neutral pigment. It is also used in organic pigments.

For more details please feel free to contact us.

Properties

NAPHTHOL AS-BS is mainly used as a red primer for cotton dyeing. It can be combined with red base R to get rose red and red base G to get brilliant peach red with blue light. It can also be mixed with chromophenol as or chromophenol as-ol, and then combined with red base G to get a very bright red. It can also be used to dye vinylon, viscose fiber, silk and to make fast pigment and neutral pigment.

CAS No.

135-65-9

Formula

C17H12N2O4

Molecular Mass

308.28800

Exact Mass

308.08000

PSA

95.15000

Logp

4.30210