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
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
New Products
Pentadecanoic acid 3-Bromophenylacetic acid 3-AMINO-3-(2-FLUORO-PHENYL)-PROPIONIC ACID Hendecanoic acid 2-Amino-5-cyanopyridine 2-Bromo-5-cyanopyridine 4-(4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl)-3-(hydroxymethyl)benzonitrile 3′-Hydroxyacetophenone 5-fluoro-1,3-benzodioxole 5-Bromo-4-chloro-3-indolyl-β-D-galactopyranoside Tetracaine Hydrochloride Ep Grade 2,2,2-Trichloroethyl chloroformate 2-Bromo-6-fluoroaniline 2-Amino-4-phenyl-thiazole 4-Chloro-2-methyl quinoline 2-(Chloromethyl) quinazolin-4(3H)-one 5-Phenyl-[1,3,4]-thiadiazol-2-amine 2-Chloro-6-nitro benzothiazole N-(4-Bromophenyl)-2-chloroacetamide 6-Isopropylpicolinonitrile N-Methyl-3,5-dinitro-2-pyridinamine Phenyl-boronic acid-d5 10,11-Dihdyro-10-oxo-5H-dibenz[b,f]azepine-5-carboxamide-d4 5-(2,4-difluorophenyl)oxazolidin-2-oneRelated products of tetrahydrofuran
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