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Merck
CN

D5021

2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C20H14N2O14S4
CAS Number:
Molecular Weight:
634.59
UNSPSC Code:
12171500
PubChem Substance ID:
MDL number:
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composition

Dye content, ~75%

SMILES string

Oc1c(cc2cc(ccc2c1N=Nc3c(O)c(cc4cc(ccc34)S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O

InChI

1S/C20H14N2O14S4/c23-19-15(39(31,32)33)7-9-5-11(37(25,26)27)1-3-13(9)17(19)21-22-18-14-4-2-12(38(28,29)30)6-10(14)8-16(20(18)24)40(34,35)36/h1-8,23-24H,(H,25,26,27)(H,28,29,30)(H,31,32,33)(H,34,35,36)

InChI key

ZHACZGMWBSRPKU-UHFFFAOYSA-N



pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1B

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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