59573

Acid Red 33

analytical standard

• Synonym(s): 5-Amino-4-hydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid disodium salt, Acid Red 33 disodium salt, Disodium 5-amino-4-hydroxy-3-(phenylazo)-naphthalene-2,7-disulfonate, Food Red 12
• Empirical Formula (Hill Notation): C₁₆H₁₁N₃Na₂O₇S₂
• CAS Number: 3567-66-6
• Molecular Weight: 467.38
• UNSPSC Code: 85151701
• NACRES: NA.24
• PubChem Substance ID: 329758677
• EC Number: 222-656-9
• Colour Index Number: 17200
• MDL number: MFCD00071877

Properties

• grade: analytical standard
• Quality Segment: 100
• assay: ≥97.0% (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: O=S(C1=CC2=CC(S(=O)([O-])=O)=CC(N)=C2C(O)=C1/N=N/C3=CC=CC=C3)([O-])=O.[Na+].[Na+]
• InChI: 1S/C16H13N3O7S2.2Na/c17-12-8-11(27(21,22)23)6-9-7-13(28(24,25)26)15(16(20)14(9)12)19-18-10-4-2-1-3-5-10;;/h1-8,20H,17H2,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b19-18+;;
• InChI key: LQJVOKWHGUAUHK-BUFQOAPZSA-L

Description

Application

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

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

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable