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Direct Red 31

Basic information Safety Supplier Related

Direct Red 31 Basic information

Product Name:
Direct Red 31
Synonyms:
  • 7,7'-iminobis[4-hydroxy-3-(phenylazo)-2-naphthalenesulfonic aci disodium sa
  • Benzo Rhoduline Red B
  • C.I. Direct red 31
  • C.I.Direct Red 31(29100)
  • Chloramine Rose B,Pyrazol Pink 2B
  • Diphenyl Red RW
  • Direct pink
  • Nippon Fast Red 2B
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
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Direct Red 31 Chemical Properties

EPA Substance Registry System
2-Naphthalenesulfonic acid, 7,7'-iminobis[4-hydroxy-3-(phenylazo)-, disodium salt (5001-72-9)
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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

Direct Red 31 Preparation Products And Raw materials

Raw materials

Direct Red 31Supplier

TAIYUAN RHF CO.,LTD.
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Shanghai JONLN Reagent Co., Ltd.
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Chengdu HuaXia Chemical Reagent Co. Ltd
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400-1166-196 13458535857
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