1121440025 Display Image

DISULFINE BLUE VN 150 (C.I.42045) FOR SURFACTANT TESTS

Code: 1121440025 D2-231

Analysis Note

Dye content (spectrophotometrically): ≥ 40 %Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax. (water): 637 - 640 nmSpec. Abs...


read more

Your Price
£168.00 EACH
£201.60 inc. VAT
REQUEST

Analysis Note

Dye content (spectrophotometrically): ≥ 40 %Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax. (water): 637 - 640 nmSpec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water): ≥ 800TLC-Test: passes testLoss on drying (110 °C): ≤ 7 %Suitability for surfactant tests: passes test

λmax637-640 nm in water
bulk density600 kg/m3
compositiondye content, ≥40% spectrophotometric assay
InChI keySJEYSFABYSGQBG-UHFFFAOYSA-M
InChI1S/C27H32N2O6S2.Na/c1-5-28(6-2)22-13-9-20(10-14-22)27(21-11-15-23(16-12-21)29(7-3)8-4)25-18-17-24(36(30,31)32)19-26(25)37(33,34)35;/h9-19H,5-8H2,1-4H3,(H-,30,31,32,33,34,35);/q;+1/p-1
loss≤7% loss on drying, 110°C
mp290 °C (decomposition)
pH6.9 (20 °C, 10 g/L in H2O)
Quality Level200
solubility210 g/L
storage temp.2-30°C
Cas Number129-17-9
This product has met the following criteria: