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Merck
CN

210633

Acid Red 1

Dye content 60 %

Synonym(s):

Amido Naphthol Red G, Azophloxine

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About This Item

Empirical Formula (Hill Notation):
C18H13N3Na2O8S2
CAS Number:
Molecular Weight:
509.42
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
Colour Index Number:
18050
EC Number:
223-098-9
MDL number:
Beilstein/REAXYS Number:
4121767
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form

powder

Quality Segment

composition

Dye content, 60%

λmax

506 nm, 532 nm (2nd)

ε (extinction coefficient)

≥17000 at 529-535 nm in water at 0.02 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].CC(=O)Nc1cc(cc2cc(c(\N=N\c3ccccc3)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O

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/b21-20+;;

InChI key

WXLFIFHRGFOVCD-SERMZQFOSA-L



Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Skin Sens. 1B



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