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Merck
CN

81450

Ponceau BS

Synonym(s):

Acid Red 66, Biebrich scarlet WS, Biebrich scarlet sodium salt

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About This Item

Empirical Formula (Hill Notation):
C22H14N4Na2O7S2
CAS Number:
Molecular Weight:
556.48
UNSPSC Code:
12171500
EC Number:
224-084-5
Beilstein/REAXYS Number:
3883900
Colour Index Number:
26905
MDL number:
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suitability

suitable for microscopy

SMILES string

[Na+].[Na+].Oc1ccc2ccccc2c1\N=N\c3ccc(cc3S([O-])(=O)=O)\N=N\c4ccc(cc4)S([O-])(=O)=O

InChI

1S/C22H16N4O7S2.2Na/c27-20-12-5-14-3-1-2-4-18(14)22(20)26-25-19-11-8-16(13-21(19)35(31,32)33)24-23-15-6-9-17(10-7-15)34(28,29)30;;/h1-13,27H,(H,28,29,30)(H,31,32,33);;/q;2*+1/p-2/b24-23+,26-25+;;

InChI key

VVAVKBBTPWYADW-RVTJCSDESA-L

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