1.14275
Ponceau S (C.I. 27195)
for electrophoresis
Synonym(s):
Ponceau S (C.I. 27195)
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$62.50
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About This Item
$62.50
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Quality Level
form
solid
pH
9.0 (20 °C, 10 g/L in H2O)
solubility
10 g/L
bulk density
660 kg/m3
storage temp.
2-30°C
InChI
1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-11-14(3-8-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,25H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23?,26-21-;;;;
InChI key
LZYGEJPERQQCIY-STNZDNLRSA-J
1 of 4
This Item | 1.04238 | P3504 | 141194 |
|---|---|---|---|
| solubility 10 g/L | solubility 10 g/L | solubility H2O: 1 mg/mL | solubility - |
| form solid | form solid | form powder | form powder |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| storage temp. 2-30°C | storage temp. 2-30°C | storage temp. room temp | storage temp. room temp |
| pH 9.0 (20 °C, 10 g/L in H2O) | pH 9.0 (20 °C, 10 g/L in H2O) | pH - | pH - |
| bulk density 660 kg/m3 | bulk density 660 kg/m3 | bulk density - | bulk density - |
Analysis Note
Absorption maximum λmax. (water): 517 - 523 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; water): 460 - 600
TLC-Test: passes test
Loss on drying (110 °C): ≤ 10 %
Suitability for electrophoresis: passes test
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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