214515

Chromotrope FB

Dye content 50 %

• Synonym(s): Acid Red 14, Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate, Mordant Blue 79
• Empirical Formula (Hill Notation): C₂₀H₁₂N₂Na₂O₇S₂
• CAS Number: 3567-69-9
• Molecular Weight: 502.43
• Colour Index Number: 14720
• EC Number: 222-657-4
• MDL number: MFCD00003978
• UNSPSC Code: 12171500
• PubChem Substance ID: 24852839
• NACRES: NA.47

Properties

• form: powder
• composition: Dye content, 50%
• mp: 275 °C
• λmax: 383 nm; 515 nm (2nd)
• ε (extinction coefficient): ≥14500 at 513-519 nm in H₂O at 0.03 g/L; ≥33000 at 214-220 nm in H₂O at 0.03 g/L; ≥9000 at 320-326 nm in H₂O at 0.03 g/L
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].Oc1c(cc(c2ccccc12)S([O-])(=O)=O)\N=N\c3ccc(c4ccccc34)S([O-])(=O)=O
• InChI: 1S/C20H14N2O7S2.2Na/c23-20-15-8-4-3-7-14(15)19(31(27,28)29)11-17(20)22-21-16-9-10-18(30(24,25)26)13-6-2-1-5-12(13)16;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b22-21+;;
• InChI key: YSVBPNGJESBVRM-ZPZFBZIMSA-L

Description

Application

Chromotrope FB has been used in indirect competitive CLIA (icCLIA) to detect its presence in foods.

Biochem/physiol Actions

Chromotrope FB, also known as acid red 14 (AR14), is a bright orange-red powder. It belongs to the class of monoazides. Chromotrope FB efficiently stains fatty substances and is also used to dye food and medicines.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 2
• Flash Point(F): >437.0 °F
• Flash Point(C): > 225 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves