L0144
| Do Państwa/SKU | Dostępność | Cena netto |
|---|---|---|
25 mg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 1090,00 zł |
100 mg | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 2850,00 zł |
Lucifer Yellow CH dipotassium salt, powder
powder
orange
λex 428 nm; λem 540 nm
room temp
[K+].[K+].NNC(=O)NN1C(=O)c2cc(cc3c(N)c(cc(C1=O)c23)S([O-])(=O)=O)S([O-])(=O)=O
1S/C13H11N5O9S2.2K/c14-10-5-1-4(28(22,23)24)2-6-9(5)7(3-8(10)29(25,26)27)12(20)18(11(6)19)17-13(21)16-15;;/h1-3H,14-15H2,(H2,16,17,21)(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
HCWYSCVNSCIZCN-UHFFFAOYSA-L
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Ta pozycja | |||
|---|---|---|---|
| form powder | form powder | form powder | form powder or crystals |
| Quality Level 100 | Quality Level 100 | Quality Level - | Quality Level 100 |
| storage temp. room temp | storage temp. 2-8°C | storage temp. room temp | storage temp. −20°C |
| color orange | color faint orange to very dark orange | color yellow to brown | color - |
| fluorescence λex 428 nm; λem 540 nm | fluorescence λex 428 nm; λem 540 nm in H2O | fluorescence λex 428 nm; λem 536 nm in H2O | fluorescence - |
11 - Combustible Solids
WGK 3
Not applicable
Not applicable
Eyeshields, Gloves, type N95 (US)
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What is the dye purity for product L0144?
At M-Clarity quality level 100, Product L0144 is evaluated based on appearance, infrared spectrum, solubility, and fluorescence specifications. Please refer to the Certificate of Analysis found on the DOCUMENTATION section of the Product Detail Page: https://www.sigmaaldrich.com/product/sigma/l0144#product-documentation
Using the results on the specification sheet, dye content can be calculated from the testing performed to determine carbon and nitrogen levels.
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What is the stability and shelf life for product L0144, lot SHBN6250 once it has been prepared in a solution?
The product is soluble in water at a concentration of 1 mg/mL, producing a clear, yellow-orange colored solution. It is also soluble in water with heat at a concentration of 10 mg/mL, resulting in a slightly hazy orange colored solution. Additionally, a solution stability test revealed that a solution of L0144 in water at a concentration of 1.7 mg/mL, stored in the dark at room temperature for 32 days, showed no detectable change in the UV-VIS spectrum.
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