Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate,88%

PurReagent


Linear Formula:  C16H11N2NaO8S2
Molecular Weight:  446.38 g/mol
CAS Number: 860-22-0

Properties

Vapour pressure No Data Available
Autoignition temp. No Data Available
Explosion limit No Data Available
Assay Purity ? 88%
Refractive index n20/D 1.335
B pt. No Data Available
M pt. >340 °C
Density 0.71 g/cm3 at 29 °C
Form Solid

Safety Information

Hazard Statement(s) H317
Precautionary Statement  P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
GHS Pictogram
Signal word Warning
HS Code NA
Storage Temp. Room Temperature
Storage Class 11 - Combustible Solids
UN Number NA

Description

Application
It is widely used as a pharmaceutical tracer dye food colorant and analytical indicator in biochemical and medical studies.

Purpose
For R&D

General Description
Sodium 33-dioxo-[22-biindolinylidene]-55-disulfonate is a sulfonated indigo-derived compound commonly known as indigo carmine characterized by its deep blue color and high water solubility.