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HomeProduct name listINDIGOSOL O, DISODIUM SALT

INDIGOSOL O, DISODIUM SALT

  • CAS NO.：3875-70-5
  • Empirical Formula: C16H13N2NaO8S2
  • Molecular Weight: 448.4
  • MDL number: MFCD01112295
  • EINECS: 2233995
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2025-12-31 14:38:37
INDIGOSOL O, DISODIUM SALT Structural

What is INDIGOSOL O, DISODIUM SALT?

The Uses of INDIGOSOL O, DISODIUM SALT

Indigosol O is an indigo dye used for cotton.

What are the applications of Application

Indigosol O, Disodium Salt is 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

Properties of INDIGOSOL O, DISODIUM SALT

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 information for INDIGOSOL O, DISODIUM SALT

Computed Descriptors for INDIGOSOL O, DISODIUM SALT

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