ChemBK
  • Home
  • Product Category


DIRECT BLUE 202

DIRECT BLUE 202

CAS: 107043-92-5

Molecular Formula:

  1. Home
  2. Product Category
  3. Dyes and pigments
  4. Pigment
  5. DIRECT BLUE 202

DIRECT BLUE 202 - Names and Identifiers

Name DIRECT BLUE 202
Synonyms Blue 4G
Blue 4G
DIRECT BLUE 202
CAS 107043-92-5

DIRECT BLUE 202 - Introduction

Direct Blue 4G, also known as methylene blue, is an organic synthetic dye with the chemical name methylene green. Its chemical formula is C37H34Cl2N6O6S3, the structural formula is as follows:

It is an indigo-based dye with a dark green crystalline powder with good solubility. Its main uses are as follows:

1. Dyes: Direct Blue 4G can be used in the dye and pigment industries, especially in the textile industry for dyeing cotton, silk, wool and other fiber materials.
2. Biology: It is also used as a biological dye for staining nucleic acids and proteins.
3. chemical analysis: direct blue 4G is often used as an indicator, complex stain and analytical reagent in chemical analysis.

the preparation method of direct blue 4G is more complicated, and it is usually obtained through the steps of amination, sulfation, acylation, separation and purification.

It should be noted that the use of direct blue 4G requires attention to safety. It is an organic synthetic dye that is irritating to the skin and eyes. During use, avoid inhaling its dust, and immediately rinse with plenty of water when it comes into contact with skin and eyes. At the same time, the relevant safety operation procedures should be followed to ensure a reasonable experimental environment and correct personal protective measures.
Last Update:2024-04-10 22:41:56
Supplier List
SKYRUN INDUSTRIAL CO.,LTD
Spot supply
Product Name: DIRECT BLUE 202 Visit Supplier Webpage Request for quotation
CAS: 107043-92-5
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185 Click to send a QQ messageSend QQ message
Wechat: chinaskyrun
SKYRUN INDUSTRIAL CO.,LTD
Spot supply
Product Name: DIRECT BLUE 202 Visit Supplier Webpage Request for quotation
CAS: 107043-92-5
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185 Click to send a QQ messageSend QQ message
Wechat: chinaskyrun
View History
DIRECT BLUE 202
  • Home
  • Product Category

© 2015, 2023 ChemBK.com All Rights Reserved | Build: 20230617001