ChemicalBook > CAS DataBase List > CHLORAZOL BLACK BH

CHLORAZOL BLACK BH

Product Name
CHLORAZOL BLACK BH
CAS No.
2429-73-4
Chemical Name
CHLORAZOL BLACK BH
Synonyms
NSC75779;C.I.22620;NSC 75779;NSC-75779;C.I. 22590;CCRIS 6236;diazo black;DirectBlueBH;DIRECT BLUE 2;diamine black
CBNumber
CB1136335
Molecular Formula
C32H25N6NaO11S3
Formula Weight
788.75
MOL File
2429-73-4.mol
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CHLORAZOL BLACK BH Property

storage temp. 
Amber Vial, Refrigerator
solubility 
DMSO (Slightly), Methanol (Slightly)
Colour Index 
22590
form 
Solid
color 
Dark Blue to Black
CAS DataBase Reference
2429-73-4(CAS DataBase Reference)
EPA Substance Registry System
C.I. Direct Blue 2, trisodium salt (2429-73-4)
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Safety

RTECS 
QJ6158000
HS Code 
3204.14.5000
Hazardous Substances Data
2429-73-4(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Signal word
Warning
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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
R316407
Product name
CALCOMINE DIAZO BLACK BHD
Purity
AldrichCPR
Packaging
1G
Price
$29.8
Updated
2024/03/01
TCI Chemical
Product number
C0529
Product name
Direct Blue 2
Packaging
25g
Price
$86
Updated
2024/03/01
TRC
Product number
D494985
Product name
DirectBlue2(TechnicalGrade)
Packaging
500mg
Price
$55
Updated
2021/12/16
Chem-Impex
Product number
38549
Product name
Directblue2,CI22590
Purity
CI22590
Packaging
25G
Price
$82.88
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
DYE0000181
Product name
CHLORAZOL BLACK BH
Purity
95.00%
Packaging
25G
Price
$163.91
Updated
2021/12/16
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CHLORAZOL BLACK BH Chemical Properties,Usage,Production

Uses

Direct Blue 2 is an organic azo dye and ground water pollutant, removed via enzymic decolorization by laccase.

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions respectively with the 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

General Description

Dark blue-black powder.

Air & Water Reactions

Azo dyes can be explosive when suspended in air at specific concentrations. Water soluble.

Reactivity Profile

CHLORAZOL BLACK BH is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

Fire Hazard

Flash point data for CHLORAZOL BLACK BH are not available, but CHLORAZOL BLACK BH is probably combustible.

Properties and Applications

dark blue. Blue gray powder. Soluble in water for deep purple to black, solubility 35 g/L (85 ℃), slightly soluble in ethanol and soluble fiber element. The strong sulfuric acid in blue, diluted red for purple; In nitric acid for brown in the light purple. The dye solution to join strong hydrochloric acid for red light purple; Add thick sodium hydroxide solution for purplish red color. For cellulose fiber dyeing, the dye absorption rate as well, in 60 ~ 80 ℃ temperature when the biggest affinity. Discharge good, after staining with chromogenic diazotization colorimetric method: use Naphthalen-2-ol show color get navy, between 2 amine with benzene show color get black. Mainly used for cotton, viscose, silk, leather and pulp color.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 2 2 2
AATCC 3 3 3 3 3

CHLORAZOL BLACK BH Preparation Products And Raw materials

Raw materials

Preparation Products

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CHLORAZOL BLACK BH Suppliers

J & K SCIENTIFIC LTD.
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View Lastest Price from CHLORAZOL BLACK BH manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
CHLORAZOL BLACK BH 2429-73-4
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11

2429-73-4, CHLORAZOL BLACK BHRelated Search:


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