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Food Blue 2

CAS 2650-18-2C37H36N2O9S3.2H3NMW 783.0

Food Blue 2 (CAS 2650-18-2) — formula C37H36N2O9S3.2H3N, molecular weight 783.0.

Specifications

CAS Number2650-18-2
Molecular FormulaC37H36N2O9S3.2H3N
Molecular Weight783.0

Purchase Profile

What this product is

Food Blue 2 is a chemical compound with CAS registry number 2650-18-2 and molecular formula C37H36N2O9S3.2H3N (molecular weight 783.0).

Identification

CAS number: 2650-18-2

Its molecular formula C37H36N2O9S3.2H3N comprises 37 C, 39 H, 3 N, 9 O, 3 S atoms.

Also known as: Food Blue 2 · C.I. Food Blue 2

Frequently Asked Questions

What is the CAS number of Food Blue 2?

The CAS registry number of Food Blue 2 is 2650-18-2.

What is the molecular formula and molecular weight of Food Blue 2?

Molecular formula C37H36N2O9S3.2H3N, molecular weight 783.0.

What other names is Food Blue 2 known by?

It is also registered under: Food Blue 2, C.I. Food Blue 2.

PubChem Public Data

Public-database records for Food Blue 2 (CAS 2650-18-2), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary61.3% (166 / 271)
Reported hazard statementsH319 (38.4%)

This chemical does not meet GHS hazard criteria for 61.3% (166 of 271) of all reports.

H319 (38.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Regulatory listings

Regulatory & Food ContactCIR / INCI: Cosmetic colorant
GHS notification summary61.3% (166 / 271)

Physical description and handling notes

  • Wet Solid; Dry Powder; Liquid
  • Solid; [MSDSonline]
  • Reddish-violet powder or granules with a metallic lustre /sodium salt/
  • Soluble in water (5% at 20 °C and 98 °C) and in ethanol
  • STABILITY OF LIQ FORMULATIONS CONTAINING BRILLIANT BLUE FCF (7-11.5 MO PERIOD) DECR AT AMBIENT TEMP; MOST IMPORTANT FACTOR DIFFUSE LIGHT
  • Present at 0.001 wt% in a typical shampoo colorant /from table/

How this substance is indexed

CAS Registry Number2650-18-2
PubChem CID17559
分子式C37H36N2O9S3.2H3N
IUPAC 名称diazanium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
UNII（FDA）86R7G3C26F

Documented uses

  • Used as a dye (wool, silk, nylon, paper, hair rinses, drug solutions, and soap), wood stain, biological stain, and indicator; [HSDB]
  • Pulp and Paper Processing [Category: Industry]
  • Painting (Pigments, Binders, and Biocides) [Category: Paint]
  • Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
  • Dressing Hair [Category: Other]
  • Dyeing wool, silk, nylon, paper, soap; wood stain; biological stain; indicator

Names this substance appears under

C.I. Acid Blue 9; Erioglaucine A; Alphazurine FG; Erioglaucine; Erioglaucine E; Japan Blue 205; Alphazurine FGND; Neptune Blue WF; Fenazo Blue XR; Patent Blue AE; Calcocid Blue EG; Kiton Blue AR; Xylene Blue VSG; Neptune Blue BRA; Patent Blue 2Y; Calcocid Blue 2G

Computed molecular descriptors

分子量783.0
氢键供体数2
氢键受体数10
可旋转键数9
精确质量782.21139245
单同位素质量782.21139245
拓扑极性表面积205
重原子数53
形式电荷0
复杂度1510

Database abstract

Food Blue 2 · CAS 2650-18-2 · C37H36N2O9S3.2H3N. UNII 86R7G3C26F.

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

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