1.00255
Diphenylamine-4-sulfonic acid barium salt
redox indicator
Synonym(s):
Diphenylamine-4-sulfonic acid barium salt, 4-Anilinobenzene sulfonic acid barium salt, Barium diphenylaminesulfonate
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About This Item
Product Name
Diphenylamine-4-sulfonic acid barium salt, redox indicator
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
SMILES string
[Ba+2].[S](=O)(=O)([O-])c3ccc(cc3)Nc4ccccc4.[S](=O)(=O)([O-])c1ccc(cc1)Nc2ccccc2
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
Analysis Note
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
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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