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Supelco

Diphenylamine-4-sulfonic acid barium salt

redox indicator

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Synonym(s):
Diphenylamine-4-sulfonic acid barium salt, 4-Anilinobenzene sulfonic acid barium salt, Barium diphenylaminesulfonate
Empirical Formula (Hill Notation):
C24H20BaN2O6S2
CAS Number:
Molecular Weight:
633.88
MDL number:
UNSPSC Code:
12352107
EC Index Number:
228-278-0
NACRES:
NA.21

Quality Level

form

solid

technique(s)

titration: suitable

loss

≤5% loss on drying, 105°C

pH

5.9 (20 °C, 10 g/L in H2O, slurry)

mp

300 °C

solubility

water: soluble at 20 °C

bulk density

220 kg/m3

λmax

290-295 nm in water

storage temp.

2-30°C

InChI

1S/2C12H11NO3S.Ba/c2*14-17(15,16)12-8-6-11(7-9-12)13-10-4-2-1-3-5-10;/h2*1-9,13H,(H,14,15,16);/q;;+2/p-2

InChI key

IVCNVXFNTKXMCA-UHFFFAOYSA-L

Related Categories

Analysis Note

Identity (IR-spectrum): passes test
Absorption maximum λmax. (water): 290 - 295 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.001 %; water; calculated on dried substance): 600 - 700
Loss on Drying (105 °C): ≤ 5 %
Suitability as redox indicator: passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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