FD&C Red No. 1
CAS Registry Number®
3564-09-8
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CAS Name
FD&C Red No. 1Molecular Formula
C19H18N2O7S2.2NaCite this Page
FD&C Red No. 1. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=3564-09-8 (retrieved ) (CAS RN: 3564-09-8). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
InChI
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);;
InChIKey
InChIKey=ZENTVOADTFFCSR-UHFFFAOYSA-N
SMILES
N(=NC1=C(C)C=C(C)C(C)=C1)C=2C3=C(C=C(S(=O)(=O)O)C2O)C=C(S(=O)(=O)O)C=C3.[Na]
Canonical SMILES
[Na].O=S(=O)(O)C1=CC=C2C(=C1)C=C(C(O)=C2N=NC=3C=C(C(=CC3C)C)C)S(=O)(=O)O
Other Names for this Substance
- 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(2,4,5-trimethylphenyl)diazenyl]-, sodium salt (1:2)
- Ponceau 3R
- 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]-, disodium salt
- Dolkwal Ponceau 3R
- FD and C Red No. 1
Deleted or Replaced CAS Registry Numbers
1342-07-0, 8024-49-5
