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Direct Orange S

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Direct Orange S Basic information

Product Name:
Direct Orange S
Synonyms:
  • Disodium 7,7'-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate]
  • direct orange s
  • (3E)-4-oxo-7-[[(6E)-5-oxo-6-(phenylhydrazinylidene)-7-sulfonaphthalen-2-yl]carbamoylamino]-3-(phenylhydrazinylidene)naphthalene-2-sulfonic acid
  • 2-Naphthalenesulfonic acid, 7,7-(carbonyldiimino)bis4-hydroxy-3-(phenylazo)-, disodium salt
  • Aizen Fast Oranges
  • Atul leather Orange DCS
  • Brilliant Direct Orange
  • Direct Brilliant Orange R
CAS:
3626-36-6
MF:
C33H22N6Na2O9S2
MW:
756.67212
EINECS:
222-838-8
Product Categories:
  • Dyes and Pigments
  • Organics
Mol File:
3626-36-6.mol
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Direct Orange S Chemical Properties

Density 
1.8[at 20℃]
vapor pressure 
0Pa at 25℃
Water Solubility 
9.81g/L at 20℃
LogP
-2.215 at 20℃
CAS DataBase Reference
3626-36-6(CAS DataBase Reference)
EPA Substance Registry System
C.I. Direct Orange 26 (3626-36-6)
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Direct Orange S Usage And Synthesis

Uses

Direct Orange 26 is an organic azo dye used with textiles. Being water soluble, Direct Orange 26 is a water pollutant, cleaned via reductive catalysis.

Flammability and Explosibility

Non flammable

Properties and Applications

TEST ITEMS

SPECIFICATION

APPEARANCE

ORANGE

DYEING DEPTH %

2

LIGHTING

3

SOAPING

3-4

PERSPIRATING

4

FRICTION(DRY)

4

FRICTION(WET)

3

Direct Orange S Preparation Products And Raw materials

Raw materials

Sulfuric acid Sodium carbonateSodium nitriteAniline6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)1-NAPHTHYLUREA

Direct Orange SSupplier

Winchem Industrial Co. Ltd
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0574-83851061
Email
info@win-chemical.com
BEST-REAGENT
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400-1166-196 18981987031
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cdhxsj@163.com
Shanghai JONLN Reagent Co., Ltd.
Tel
400-0066400 13621662912
Email
422131432@qq.com
Chengdu HuaXia Chemical Reagent Co. Ltd
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400-1166-196 13458535857
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cdhxsj@163.com
Hangzhou J&H Chemical Co., Ltd.
Tel
+86-571-87396432 0571-87396433
Email
sales@jhechem.com
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Direct Orange S(3626-36-6)Related Product Information