92395

Ponceau SX

analytical standard

• Synonym(s): 3-(2,4-Dimethyl-5-sulfophenylazo)-4-hydroxynaphthalene-1-sulfonic acid disodium salt, Food Red 1
• Empirical Formula (Hill Notation): C₁₈H₁₄N₂Na₂O₇S₂
• CAS Number: 4548-53-2
• Molecular Weight: 480.42
• UNSPSC Code: 85151701
• NACRES: NA.24
• E Number: E125
• PubChem Substance ID: 329770121
• EC Number: 224-909-9
• MDL number: MFCD00046402
• Colour Index Number: 14700
• Beilstein/REAXYS Number: 7161700

Properties

• grade: analytical standard
• Quality Level: 100
• assay: ≥98.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable, gas chromatography (GC): suitable
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• SMILES string: [Na+].[Na+].Cc1cc(C)c(cc1\N=N\c2cc(c3ccccc3c2O)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C18H16N2O7S2.2Na/c1-10-7-11(2)16(28(22,23)24)8-14(10)19-20-15-9-17(29(25,26)27)12-5-3-4-6-13(12)18(15)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;
• InChI key: ONTQJDKFANPPKK-LLIZZRELSA-L

Description

General description

Ponceau SX is classified as a synthetic food color, widely used for the maintenance and improvement of color appearance in foods.

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Ponceau SX may be used as a reference standard for the determination of the analyte:

• In cosmetic products by micro-matrix solid phase dispersion and liquid chromatography coupled to tandem mass spectrometry.
• In foodstuffs by combining high performance liquid chromatography (HPLC) with diode array detection (DAD) and ion-trap time-of-flight mass spectrometry (IT-TOF/MS).

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable