An azo dye
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Acid Red 1

Item No. 44516

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
5-(acetylamino)-4-hydroxy-3-(2-phenyldiazenyl)-2,7-naphthalenedisulfonic acid, disodium salt
CAS Number
3734-67-6
Synonyms
  • Amido Naphthol Red G
  • AR1
  • Azophloxine
  • C.I. 18050
  • Lissamine Red 2G
  • Phloxine G
Molecular Formula
C18H13N3O8S2 • 2Na
Formula Weight
509.4
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMSO: Sparingly soluble: 1-10 mg/mlPBS pH 7.2: Soluble: ≥10 mg/ml
SMILES
CC(NC1=CC(S([O-])(=O)=O)=CC2=C1C(O)=C(C(S([O-])(=O)=O)=C2)N=NC3=CC=CC=C3)=O.[Na+].[Na+]
InChi Code
InChI=1S/C18H15N3O8S2.2Na/c1-10(22)19-14-9-13(30(24,25)26)7-11-8-15(31(27,28)29)17(18(23)16(11)14)21-20-12-5-3-2-4-6-12;;/h2-9,23H,1H3,(H,19,22)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2
InChi Key
WXLFIFHRGFOVCD-UHFFFAOYSA-L
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    25 g

    $36

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    50 g

    $68

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    100 g

    $115

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    250 g

    $198

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    Product Description

    Acid red 1 is an azo dye.1 It displays an absorbance maximum at 532 nm. Acid red 1 has been found as a contaminant in textile wastewaters. Formulations containing acid red 1 have been used as textile dyes.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Daud, N.K., and Hameed, B.H. Decolorization of Acid Red 1 by Fenton-like process using rice husk ash-based catalyst. J. Hazard. Mater. 176(1-3), 938-944 (2010).