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Merck
CN

S5752

Sulfochlorophenol S sodium calcium salt

>99% purity (TLC), powder

Synonym(s):

2,7-Bis(2-hydroxy-3-sulfo-5-chlorophenylazo)-1,8-di-hydroxynaphthalene-3,6-disulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C22H14Cl2N4O16S4
CAS Number:
108321-09-1
Molecular Weight:
789.53
UNSPSC Code:
12171500
PubChem Substance ID:
24899670
NACRES:
NA.47
MDL number:
MFCD00151404

Key Documents

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Product Name

Sulfochlorophenol S sodium calcium salt,

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(cc(Cl)cc1S([O-])(=O)=O)\N=N\c2c(O)c3c(O)c(\N=N\c4cc(Cl)cc(c4O)S([O-])(=O)=O)c(cc3cc2S([O-])(=O)=O)S([O-])(=O)=O

InChI key

NCDAELHWVFKWLY-PASCWWRVSA-J

InChI

1S/C22H14Cl2N4O16S4.4Na/c23-8-3-10(19(29)14(5-8)47(39,40)41)25-27-17-12(45(33,34)35)1-7-2-13(46(36,37)38)18(22(32)16(7)21(17)31)28-26-11-4-9(24)6-15(20(11)30)48(42,43)44;;;;/h1-6,29-32H,(H,33,34,35)(H,36,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4/b27-25+,28-26+;;;;

assay

>99% (TLC)

form

powder

solubility

water: 1 mg/mL, blue

εmax

430 at 566 nm in 0.1 M HCl

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

Quality Level

200

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General description

Sulfochlorophenol S complexes are made usually in highly acidic solutions. Sulfochlorophenol S sodium calcium salt is used to determine Cu(II) iron in ng/mL level in natural waters.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
081H0659

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Optical and chromaticity characteristics of rare-earth element complexes of Sulfochlorophenol and Sulfochlorophenol S
Ivanov, et al.
Journal of Analytical Chemistry, 57(2), 110-117 (2002)
Highly sensitive determination of Cu (II) iron in ng/mL level in natural waters using Sulfochlorophenol S
Zhao, et al.
Environmental Monitoring and Assessment, 187(3), 72-72 (2015)

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