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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

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About This Item

Empirical Formula (Hill Notation):
C20H12N2Na2O7S2
CAS Number:
3567-69-9
Molecular Weight:
502.43
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24852839
EC Number:
222-657-4
Colour Index Number:
14720
MDL number:
MFCD00003978
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form

powder

Quality Segment

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

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.

Storage Class

11 - Combustible Solids

WGK

WGK 2

Flash Point (°F)

>437.0 °F

Flash Point (°C)

> 225 °C

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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