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Acid Brown 21

Neutral Dark Brown Brl

CAS: 61724-04-7

Molecular Formula: C19H18N4O5S

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Acid Brown 21 - Names and Identifiers

Name Neutral Dark Brown Brl
Synonyms Brown BRL
Acid Brown 21
C.I.AcidBlack21
NEUTER BROWN BRL
C.I.Acid Brown 21
Polfalan Brown TLN
Neutral Dark Brown Brl
CAS 61724-04-7

Acid Brown 21 - Physico-chemical Properties

Molecular FormulaC19H18N4O5S
Molar Mass414.43
UseUsed for dyeing of wool, silk, tussah silk, vinylon, Wei/cotton, wool/viscose and other blended fabrics

Acid Brown 21 - Upstream Downstream Industry

Raw MaterialsN-(7-hydroxy-1-naphthyl)acetamide;1-Acetamido-7-hydroxynaphthalene
2-Aminophenol-4-Sulfonmethylamide
3-Amino-4-hydroxybenzenesulphonamide
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

Acid Brown 21 - Introduction

Neutral Dark Brown Brl(Neutral Dark Brown Brl) is a common dye with the following properties:

1. Appearance: Neutral Dark Brown Brl as a dark brown crystalline solid.

2. Solubility: Neutral Dark Brown Brl has poor solubility in water, it has good solubility in organic solvents (such as alcohols and ethers).

3. Stability: Neutral Dark Brown Brl is relatively stable at room temperature, it may decompose under strong acidic or alkaline conditions.

Neutral Dark Brown Brl mainly uses the following aspects:

1. Dye: Neutral Dark Brown Brl is widely used as fiber dye and leather dye, it can bring dark brown color to fabric and leather.

2. stain: Neutral Dark Brown Brl can also be used as a stain, widely used in ink, paint and pigment fields.

Preparation Method: Neutral Dark Brown Brl is usually prepared by chemical synthesis. The preparation method is more complex, and it is generally necessary to use aniline as raw material to obtain the final product through oxidation, coupling and other reactions under appropriate reaction conditions.

Safety Information: Note the following safety precautions when using the Neutral Dark Brown Brl:

1. Contact Neutral Dark Brown Brl may cause skin and eye irritation, so it is necessary to protect the skin and eyes during contact and avoid direct contact.

2. Neutral Dark Brown Brl is a chemical substance, it should be kept away from fire and flammable substances to avoid fire or explosion.

3. Use should follow the correct operating procedures and personal protective measures, such as wearing gloves, goggles, etc.

4. Neutral Dark Brown Brl should be stored in a dry and ventilated place, away from acids, alkalis and oxidants, so as to avoid unexpected chemical reactions.

Please note that the above information is for reference only. Before using the Neutral Dark Brown Brl, you should carefully read its safety data sheet and follow the relevant safety instructions at the time of use.
Last Update:2024-04-10 22:41:30
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Acid Brown 21
2-溴-3-异丙氧基苯甲醛
2-(二甲基氨基)吡啶-5-硼酸
Z-DL-VALINE extrapure
4-Cyano-4-(4-Methylphenyl)Cyclohexanone
1-(噻吩-2-基)丁烷-1-胺盐酸
Silane, trimethyl[3-[(trimethylsilyl)oxy]-1-propynyl]-
Bisphenol A diglycidyl ether
5'-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)thymidylyl-(3'->5')-2'-deoxy-N-(2-methyl-1-oxopropyl)guanosine 3'-benzoate
ACETALDEHYDE (1-13C)
Raw Materials for Acid Brown 21
N-(7-hydroxy-1-naphthyl)acetamide;1-Acetamido-7-hydroxynaphthalene
2-Aminophenol-4-Sulfonmethylamide
3-Amino-4-hydroxybenzenesulphonamide
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
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