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About This Item
Quality Level
composition
dye content, ≥40% spectrophotometric assay
loss
≤7% loss on drying, 110°C
pH
6.9 (20 °C, 10 g/L in H2O)
mp
290 °C (decomposition)
solubility
210 g/L
bulk density
600 kg/m3
λmax
637-640 nm in water
storage temp.
2-30°C
SMILES string
[Na+].[S](=O)(=O)([O-])c1c(ccc(c1)[S](=O)(=O)[O-])C(=C3C=CC(=[N+](CC)CC)C=C3)c2ccc(cc2)N(CC)CC
InChI
1S/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
InChI key
SJEYSFABYSGQBG-UHFFFAOYSA-M
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 637 - 640 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water): ≥ 800
TLC-Test: passes test
Loss on drying (110 °C): ≤ 7 %
Suitability for surfactant tests: passes test
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1121440025 | 04022536139890 |