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Indigo Carmine

CAS 860-22-0C16H8N2Na2O8S2MW 466.4

Indigo Carmine (CAS 860-22-0) — formula C16H8N2Na2O8S2, molecular weight 466.4; category dyes and pigments.

Product Overview

CAS Number860-22-0
Molecular FormulaC16H8N2Na2O8S2
Molecular Weight466.4
CategoryColorants

Technical Profile

What this product is

Indigo Carmine is a colorant or pigment compound with CAS registry number 860-22-0 and molecular formula C16H8N2Na2O8S2 (molecular weight 466.4), belonging to the dyes and pigments segment of chemical raw materials.

Identification

CAS number: 860-22-0

Its molecular formula C16H8N2Na2O8S2 comprises 16 C, 8 H, 2 N, 2 Na, 8 O, 2 S atoms.

Also known as: Indigo Carmine · 靛蓝胭脂红

Category: dyes and pigments

Frequently Asked Questions

What is the CAS number of Indigo Carmine?

The CAS registry number of Indigo Carmine is 860-22-0.

What is the molecular formula and molecular weight of Indigo Carmine?

Molecular formula C16H8N2Na2O8S2, molecular weight 466.4.

What other names is Indigo Carmine known by?

It is also registered under: Indigo Carmine, 靛蓝胭脂红.

Which category does Indigo Carmine belong to?

Category: Colorants.

PubChem Public Data

Independent reference data for Indigo Carmine (CAS 860-22-0), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number860-22-0
PubChem CID2723854
Molecular formulaC16H8N2Na2O8S2
IUPAC namedisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
UNII (FDA)D3741U8K7L

Computed descriptors

Molecular Weight466.4
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count9
Rotatable Bond Count1
Exact Mass465.95174613
Monoisotopic Mass465.95174613
Topological Polar Surface Area197
Heavy Atom Count30

Documented uses on record

  • Food Additives -> COLOUR -> JECFA Functional Classes
  • Cosmetics -> Hair dyeing; Cosmetic colorant

Synonyms and trade names

Indigo carmine; 860-22-0; Acid Blue 74; Indigotindisulfonate sodium; Indigotine; indigocarmine; C.I. ACID BLUE 74; Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate; Indigocarmin; C.I. Food Blue 1; FD&C Blue No. 2; Food Blue No. 2; FD & C blue no. 2; FD and C Blue No. 2; Sachsischblau; Murabba

Regulatory listings held on file

Regulatory & Food ContactCOLOUR: Food Additives
JECFA ADI: 0-5 mg/kg bw
JECFA considered the new data that had become available since the previous evaluation as well as previously ev
">TRS 1014-JECFA 86/34
FAS 77 JECFA 86/161
CIR / INCI: Hair dyeing; Cosmetic colorant

What the public record says

Indigo Carmine · CAS 860-22-0 · C16H8N2Na2O8S2. UNII D3741U8K7L.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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Supplier: Jinan Shenghe Chemical Co., Ltd.

中文页面: 靛蓝胭脂红

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