49904

Ponceau 3R

analytical standard

• Synonym(s): Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-2,7-naphthalenedisulfonate
• Empirical Formula (Hill Notation): C₁₉H₁₆N₂Na₂O₇S₂
• CAS Number: 3564-09-8
• Molecular Weight: 494.45
• Colour Index Number: 16155
• Beilstein/REAXYS Number: 4121347
• EC Number: 222-638-0
• MDL number: MFCD00036432
• UNSPSC Code: 85151701
• PubChem Substance ID: 329757543
• NACRES: NA.24

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(cc1C)\N=N\c2c(O)c(cc3cc(ccc23)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C19H18N2O7S2.2Na/c1-10-6-12(3)16(7-11(10)2)20-21-18-15-5-4-14(29(23,24)25)8-13(15)9-17(19(18)22)30(26,27)28;;/h4-9,22H,1-3H3,(H,23,24,25)(H,26,27,28);;/q;2*+1/p-2/b21-20+;;
• InChI key: SWPPXVFKWWEYSV-SERMZQFOSA-L

Description

General description

Ponceau 3R is a carcinogenic sulfonated azo dye, commonly used as a coloring agent in textiles, food products, paper, etc.[1]

Application

Ponceau 3R may be used as an analytical reference standard for the quantification of the anayte in food samples using ion-pair liquid chromatography with photodiode array and electrospray mass spectrometry detection.[1]

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

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Recommended products

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Safety Information

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H302,H315,H319,H335,H351
• pcodes: P201 - P301 + P312 + P330 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves