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1.03028

Supelco

2,6-Dichlorophenol-indophenol sodium salt dihydrate

GR for analysis for the determination of ascorbic acid

Synonym(s):

2,6-Dichlorophenol-indophenol sodium salt dihydrate

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About This Item

Empirical Formula (Hill Notation):
C12H6Cl2NNaO2 · 2H2O
CAS Number:
1082681-24-0
Molecular Weight:
326.11
UNSPSC Code:
12352107
EC Index Number:
210-640-4
NACRES:
NA.21

Quality Level

100

bulk density

320 kg/m3

storage temp.

15-25°C

InChI

1S/C12H7Cl2NO2.Na/c13-10-5-8(6-11(14)12(10)17)15-7-1-3-9(16)4-2-7;/h1-6,17H;/q;+1/p-1

InChI key

FHLDWQLHDYCXKI-UHFFFAOYSA-M

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 98
Identity (IR-spectrum): passes test
TLC-Test: passes test
Foreign coloring agents: passes test
Loss on drying (120 °C): ≤ 12.0 %

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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Protocols

Ascorbic acid in fruit juices

Ascorbic acid in fruit juices - photometric determination with Tillmann's reagent

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