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INDIGOSOL O, DISODIUM SALT

CAS No.
3875-70-5
Chemical Name:
INDIGOSOL O, DISODIUM SALT
Synonyms
Solvat Blue O;Tinosol Blue O;Fenanthra Blue O;Cibantine Indigo;Indigosol O Extra;Soledon Indigo LL;Soledon Indigo LLS;Solubilised Vat Blue 1;Mikethrene Soluble Blue O;INDIGOSOL O, DISODIUM SALT
CBNumber:
CB8377977
Molecular Formula:
C16H13N2NaO8S2
Molecular Weight:
448.4
MDL Number:
MFCD01112295
MOL File:
3875-70-5.mol
Last updated:2025-12-31 14:38:37

INDIGOSOL O, DISODIUM SALT Properties

Melting point >101°C (dec.)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility Methanol (Slightly), Water (Slightly)
form Solid
color Yellow to Very Dark Green
Stability Hygroscopic
EPA Substance Registry System [2,2'-Bi-1H-indole]-3,3'-diol, bis(hydrogen sulfate) (ester), disodium salt (3875-70-5)

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

INDIGOSOL O, DISODIUM SALT price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-I521250-50MG Indigosol O Disodium Salt 3875-70-5 50mg $179 2026-06-03 Buy
TRC TRC-I521250-500MG Indigosol O Disodium Salt 3875-70-5 500mg $1416 2026-06-03 Buy
Biosynth FI24569 Indigosol O, disodium salt 3875-70-5 50mg $150 2026-06-04 Buy
Biosynth FI24569 Indigosol O, disodium salt 3875-70-5 100mg $231 2026-06-04 Buy
Biosynth FI24569 Indigosol O, disodium salt 3875-70-5 250mg $420 2026-06-04 Buy
Product number Packaging Price Buy
TRC-I521250-50MG 50mg $179 Buy
TRC-I521250-500MG 500mg $1416 Buy
FI24569 50mg $150 Buy
FI24569 100mg $231 Buy
FI24569 250mg $420 Buy

INDIGOSOL O, DISODIUM SALT Chemical Properties, Uses, Production

Uses

Indigosol O is an indigo dye used for cotton.

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 1 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Blue 1. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

Navy blue to red navy. Soluble in water and Etanol. In the Sodium hydroxide solution without change; In concentrated sulfuric acid for brilliant green. Mainly used for dyeing cotton fabric. Alkaline reduction leuco for yellow; Acid reduction leuco colorless. To cotton direct sex low, good levelness. Can also be used to viscose and adhesive/cotton blended fabric dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 2 3 4 3-4
AATCC 3 1-2 3 2-3

INDIGOSOL O, DISODIUM SALT Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 14)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Chemsky (shanghai) International Co.,Ltd 021-50135380 shchemsky@sina.com China 15350 60
Shenzhen Polymeri Biochemical Technology Co., Ltd. +86-400-002-6226 sales@rrkchem.com China 57336 58
LGC Science (Shanghai) Ltd. 17717235263 17717235263 offer.de@lgcgroup.com China 38135 58
[2,2’-bi-1h-indole]-3,3’-diol,bis(hydrogensulfate)(ester),disodiumsalt 2,2'-BIINDOLE-3,3'-DIOL, BIS(HYDROGEN SULFATE ESTER), DISODIUM SALT INDIGOSOL O, DISODIUM SALT disodium [2,2'-bi-1H-indole]-3,3'-diyl disulphate disodium [2-(3-sulfato-1H-indol-2-yl)-1H-indol-3-yl] sulfate disodium [2-(3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfate Cibantine Indigo Fenanthra Blue O Indigosol O Extra Mikethrene Soluble Blue O Soledon Indigo LL Soledon Indigo LLS Solvat Blue O Tinosol Blue O sodium 1H,1'H-[2,2'-biindole]-3,3'-diyl bis(sulfate) C.I.Solubilised Vat Blue 1 :C.I.73002 Solubilised Vat Blue 1 3875-70-5 Indole Derivatives