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1.11613

Supelco

Ferrospectral

GR for analysis (reagent for iron)

Synonym(s):

Ferrospectral, 3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)-1,2,4-triazine disodium salt

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About This Item

Empirical Formula (Hill Notation):
C20H12N4Na2O6S2
CAS Number:
28048-33-1
Molecular Weight:
514.44
UNSPSC Code:
12352107
EC Index Number:
248-797-6

Quality Level

100

technique(s)

photometry: suitable

bulk density

350 kg/m3

storage temp.

15-25°C

InChI

1S/C20H14N4O6S2.2Na/c25-31(26,27)15-8-4-13(5-9-15)18-19(14-6-10-16(11-7-14)32(28,29)30)23-24-20(22-18)17-3-1-2-12-21-17;;/h1-12H,(H,25,26,27)(H,28,29,30);;/q;2*+1/p-2

InChI key

DDIHLFCSEHAOJZ-UHFFFAOYSA-L

Analysis Note

Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99 %
Identity (IR-spectrum): passes test
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 280 - 285 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water; calculated on anhydrous substance): 410 - 440
Water (according to Karl Fischer): ≤ 8 %
Suitability for photometric Iron determination: passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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