Direct Red 31 CAS# 5001-72-9
Direct Red 31 CAS# 5001-72-9 - 图片 2
Direct Red 31 CAS# 5001-72-9 - 图片 3
Direct Red 31 CAS# 5001-72-9 - 图片 4

Direct Red 31 CAS# 5001-72-9

Direct Red 31, English name direct red 31, molecular weight is 713.647. Its molecular formula is C_{32} H_{21} N_{5} Na_{2} O_{8} S_{2}.
Direct Red 31 is a dye, mainly used for dyeing cellulose fibers such as cotton and viscose, and can also be used for dyeing silk, wool, paper and pulp. It is bluish red and has the characteristics of powdery water-soluble products.
Its physical and chemical properties are as follows:
Density: unknown;
Boiling point: unknown;
Exact mass: 713.062683;
PSA: 233.09000;
logP: 10.02140.

Category Tag

Direct Red 31 CAS# 5001-72-9

Product Name: Direct Red 31
Synonyms: Concorde Direct Red BB;Condirect Red CA;Dinamine Direct Red 12B;Direct Pink 3B;Direct Rose BS;Dycosdirect Red 12B;Hispamine Pink 12B;Icho Direct Red 12B
CAS: 5001-72-9
MF: C32H21N5Na2O8S2
MW: 713.64738
EINECS: 225-669-8
Product Categories: Organics;Dyes and Pigments
Mol File: 5001-72-9.mol
Direct Red 31 Structure
Direct Red 31 Chemical Properties
EPA Substance Registry System 2-Naphthalenesulfonic acid, 7,7′-iminobis[4-hydroxy-3-(phenylazo)-, disodium salt (5001-72-9)
Safety Information
MSDS Information
Direct Red 31 Usage And Synthesis
Properties and Applications

Standard

Acid Resistance

Alkali Resistance

Light Fastness

Soaping

Water

Fading

Stain

Fading

Stain

ISO

3-4

4

2

1-2

1-2

AATCC

3-4

4

1

1

1-2

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