FAST SULPHON BLACK F

FAST SULPHON BLACK F Structure
CAS No.
3682-47-1
Chemical Name:
FAST SULPHON BLACK F
Synonyms
CI 26990;ACID BLACK 32;C.I.Acid Black 32;FAST SULFON BLACK F;FAST SULPHON BLACK F;FAST SULFONE BLACK F;Acid black 32 (C.I. 26990);C.I.Acid Black 32:C.I.26990;FAST SULPHON BLACK FFAST SULPHON BLACK FFAST SULPHON BLACK F;trisodium 4-hydroxy-5-[(2-hydroxynaphthyl)azo]-3-[(4-sulphonatonaphthyl)azo]naphthalene-2,7-disulphonate
CBNumber:
CB4199335
Molecular Formula:
C30H21N4NaO11S3
Molecular Weight:
732.68
MOL File:
3682-47-1.mol
Modify Date:
2023/4/23 13:52:06

FAST SULPHON BLACK F Properties

storage temp. 4°C, Inert atmosphere
solubility DMSO (Slightly, Sonicated), Water (Slightly, Heated, Sonicated)
form Powder
color Black

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  3

FAST SULPHON BLACK F Chemical Properties,Uses,Production

Chemical Properties

black powder

Uses

Fast Sulphon Black F (Technical Grade) is a complexometric indicator, used for titrations. Fast Sulphon Black F is used for titrations with EDTA. It may appear purple with a copper complexation and change to green with EDTA. Fast Sulphon Black F may also be used as a stain.

Preparation

4-Aminonaphthalene-1-sulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, its product to diazo, and Naphthalen-2-ol coupling.

FAST SULPHON BLACK F Preparation Products And Raw materials

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ACID BLACK 32 FAST SULFON BLACK F FAST SULFONE BLACK F FAST SULPHON BLACK F CI 26990 trisodium 4-hydroxy-5-[(2-hydroxynaphthyl)azo]-3-[(4-sulphonatonaphthyl)azo]naphthalene-2,7-disulphonate 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-(2-hydroxy-1-naphthalenyl)azo-3-(4-sulfo-1-naphthalenyl)azo-, trisodium salt Acid black 32 (C.I. 26990) 4-Hydroxy-5-[(2-hydroxy-1-naphtyl)azo]-3-[(4-sulfo-1-naphtyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt C.I.Acid Black 32 Sodium 4-hydroxy-5-((2-hydroxynaphthalen-1-yl)diazenyl)-3-(-(4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate C.I.Acid Black 32:C.I.26990 FAST SULPHON BLACK FFAST SULPHON BLACK FFAST SULPHON BLACK F (3E)-4-oxo-5-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]-3-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate 3682-47-1 C30H17N4O11S3Na3 C30H17N4Na3O11S3