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Stains, Fluorescent Dyes & Histology Reagents

Indigo carmine, GR

ARAvailable on request

Order Indigo carmine, GR (CAS 860-22-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 25 g.

Pack sizes
Indigo carmine, GR chemical structure
CAS number860-22-0
FormulaC16H8N2Na2O8S2
Molar mass466.4 g/mol
Physical formPowder
HS code32049000
InChIKeyJFVXEJADITYJHK-UHFFFAOYSA-L
IUPAC namedisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate

About Indigo carmine, GR

Indigo carmine, GR sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. For your records (AR), the material is defined by CAS 860-22-0, formula C16H8N2Na2O8S2 and molar mass 466.4 g/mol. Typical appearance is dark blue-violet powder.

Use cases we see most often

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Safe handling

Literature values: melting point >300 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Standard pack sizes are 25 g, 100 g, 1 kg, 25 kg and 4 x 25 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Applications

Grade guides

Specifications and identifiers

Specifications of Indigo carmine, GR
Product nameIndigo carmine, GR
Catalogue numberZX-000602
CAS number860-22-0
IUPAC namedisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
Molecular formulaC16H8N2Na2O8S2
Molar mass466.4 g/mol
Exact mass465.9517
GradeAR
Physical formPowder
AppearanceDark blue-violet powder
Melting point>300 °C
H-bond donors / acceptors2 / 9
Topological polar surface area197 Ų
HS code32049000
InChIKeyJFVXEJADITYJHK-UHFFFAOYSA-L
SMILESC1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+]
PubChem CID2723854
SynonymsAcid Blue 74, Indigo-5,5'-disulfonic acid disodium salt, Indigocarmine, Indigotindisulfonate sodium, Indigotine, Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate, Indigocarmin, C.I. Food Blue 1, FD & C blue no. 2, Amacid Brilliant Blue, Indigotine Lake, Indocarmine F

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Indigo carmine, GR
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request
25 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Indigo carmine, GR

Which CAS number identifies Indigo carmine, GR?
Indigo carmine, GR is registered under CAS 860-22-0. You may also see it listed as Acid Blue 74, Indigo-5,5'-disulfonic acid disodium salt, Indigocarmine. Our catalogue number for this item is ZX-000602.
What are the formula and molar mass of Indigo carmine, GR?
For Indigo carmine, GR, its formula is C16H8N2Na2O8S2 and its molar mass is 466.4 g/mol. InChIKey JFVXEJADITYJHK-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Indigo carmine, GR?
This listing is AR grade. Standard packs are 25 g, 100 g, 1 kg, 25 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Indigo carmine, GR?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Indigo carmine, GR to my country?
Yes. Indigo carmine, GR ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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