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Merck
CN

198110

Sigma-Aldrich

Sudan III

Dye content 85 %

Synonym(s):

1-[4-(Phenylazo)phenylazo]-2-naphthol, Cerasin Red, Fat Ponceau G, Fat Soluble Sudan, Scarlet B, Solvent Red 23, Sudan G, Sudan Red BK, Tony Red

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About This Item

Empirical Formula (Hill Notation):
C22H16N4O
CAS Number:
85-86-9
Molecular Weight:
352.39
Colour Index Number:
26100
Beilstein:
931185
EC Number:
201-638-4
MDL number:
MFCD00003905
UNSPSC Code:
12171500

Key Documents

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composition

Dye content, 85%

mp

199 °C (dec.) (lit.)

λmax

354 nm
507 nm (2nd)

SMILES string

Oc1ccc2ccccc2c1\N=N\c3ccc(cc3)\N=N\c4ccccc4

InChI

1S/C22H16N4O/c27-21-15-10-16-6-4-5-9-20(16)22(21)26-25-19-13-11-18(12-14-19)24-23-17-7-2-1-3-8-17/h1-15,27H/b24-23+,26-25+

InChI key

FHNINJWBTRXEBC-QSZPNPOGSA-N

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Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
07013DV
24013LY
14605BA
08219CQ
05328PV

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