1.09196
Alkali blue (C.I. 42765)
passes application test for DIN 51558
Synonym(s):
Alkali blue (C.I. 42765)
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 g | Estimated to ship onOctober 30, 2026 | $98.80 |
About This Item
agency
suitable for DIN 51558
Quality Segment
form
solid
loss
≤5% loss on drying, 110°C
visual transition interval
11.5-13, blue-violet to pink
λmax
597-602 nm in ethanol
storage temp.
2-30°C
SMILES string
[S](=O)(=O)([O-])c1c(cccc1)[N+H]=C2C=CC(=C(c5ccc(cc5)Nc6ccccc6)c3ccc(cc3)Nc4ccccc4)C=C2
InChI
1S/C37H29N3O3S/c41-44(42,43)36-14-8-7-13-35(36)40-34-25-19-29(20-26-34)37(27-15-21-32(22-16-27)38-30-9-3-1-4-10-30)28-17-23-33(24-18-28)39-31-11-5-2-6-12-31/h1-26,38-39H,(H,41,42,43)
InChI key
DVPLSZDCYOJSOG-UHFFFAOYSA-N
General description
Analysis Note
Transition range: pH 11.5 - pH 13.0 blue-violet - dark-pink
Absorption maximum λmax. (Ethanol): 597 - 602 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol abs.; calculated on dried substance): ≥ 1000
TLC-Test: passes test
Loss on drying (110 °C): ≤ 5 %
Suitability as indicator (according to DIN 51558): passes test
1 of 1
This Item | |||
|---|---|---|---|
| description passes application test for DIN 51558 | description for surfactant tests | description - | description for electrophoresis Trademark of Imperial Chemical Industries PLC |
| visual transition interval 11.5-13, blue-violet to pink | visual transition interval - | visual transition interval - | visual transition interval - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| loss ≤5% loss on drying, 110°C | loss ≤7% loss on drying, 110°C | loss - | loss - |
| agency suitable for DIN 51558 | agency - | agency - | agency - |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. room temp | storage temp. 2-30°C |
| form solid | form - | form powder | form - |
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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