Daedo Acid Black NB

Name	Acid Black 26
Synonyms	Polan Black RB Acid Black 26 Daedo Acid Black NB Folan Fast Black VL Triacid Light Black VLN. Kayanol Milling Black VLG Atul Acid Cyanine Black VL C.I. Acid Black 26, disodium salt 2-Naphthalenesulfonic acid, 6-hydroxy-5-4-4-(phenylamino)-3-sulfophenylazo-1-naphthalenylazo-, disodium salt Benzenesulfonic acid, 2-(phenylamino)-5-[[4-[(2-hydroxy-6-sulfonaphth-1-yl)azo]naphth-1-yl]azo]-, disodium salt disodium (5E)-6-oxo-5-[(4-{(E)-[4-(phenylamino)-3-sulfonatophenyl]diazenyl}naphthalen-1-yl)hydrazono]-5,6-dihydronaphthalene-2-sulfonate
CAS	6262-07-3
EINECS	228-412-8
InChI	InChI=1/C32H23N5O7S2.2Na/c38-30-17-10-20-18-23(45(39,40)41)12-13-24(20)32(30)37-36-28-16-15-27(25-8-4-5-9-26(25)28)35-34-22-11-14-29(31(19-22)46(42,43)44)33-21-6-2-1-3-7-21;;/h1-19,33,36H,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b35-34+,37-32+;

Molecular Formula	C32H21N5O7S2.2Na
Molar Mass	697.658
Density	1.364-1.471[at 20℃]
Boling Point	280℃[at 101 325 Pa]
Water Solubility	67.3-92.84g/L at 20℃
Vapor Presure	0-0Pa at 25℃
Physical and Chemical Properties	Blue-light black powder. Soluble in water, in water solubility (90 deg C) for 100g/L, aqueous solution is blue. Slightly soluble in ethanol and propanol. It is purple in concentrated sulfuric acid and turns blue after dilution.

LogP	-2.5--1.984 at 20℃
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	weak acid black VL is suitable for dyeing wool, nylon, silk and wool blended fabrics, suitable for dyeing loose wool, wool, skein, the most suitable for wool hat, black. Used for wool and other fibers in the same bath dyeing, wool is black, nylon is dark blue, silk is lighter, cellulose fiber and acetate fiber are stained. Can also be used for leather coloring.
production method	with 2-anilino-5-aminobenzenesulfonic acid, 1-naphthylamine and Schiff acid (2-naphthol -6-sulfonic acid) as raw materials, first 2-anilino-5-aminobenzenesulfonic acid diazotization, then coupled with 1-naphthylamine, the coupled product is then diazotized and coupled with Schiff acid to give the product. After salting out, filtration, drying, grinding to get the finished product...

Last Update：2024-04-09 15:16:52

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Product Name: Acid black 26 Visit Supplier Webpage Request for quotation
CAS: 6262-07-3
Tel: 609-228-6898
Email: sales@medchemexpress.com
　　　　 tech@medchemexpress.com
Mobile: 609-228-6898

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