Naphthol yellow S hydrate for microscopy, for the precipitation of amino acids and peptides, Sigma-Aldrich®
: Flavianic acid disodium salt, Disodium 2,4-Dinitro-1-naphthol-7-sulphonate, 8-Hydroxy-5,7-dinitro-2-naphthalenesulphonic acid disodium salt, 2,4-Dinitro-1-naphthol-7-sulphonic acid disodium salt, Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulphonate
:846-70-8
:
:C₁₀H₆N₂O₈S·xH₂O
:MFCD00003958
:358.19 g/mol (anhy)
:M-Clarity™ quality level = MQ200
:212-690-2
:GHS08
:GHS07
:Room Temperature
- Environmentally Preferable:
- Appearance (colour):Light yellow to yellow and light orange to orange
- Appearance (form):Powder
- Thin layer chromatogr.:Corresponds to standard
- Solubility (colour):Yellow to very dark yellow and orange to very dark orange
- Solubility (turbidity):--
- Solubility (method):0.5 g in 10 ml methanol/water 1:1
- Wavelength (1) (UV):423 - 433 nm
- Extinction (1%/1 cm) (1) (UV):≥275
- Wavelength (2) (UV):387 - 397 nm
- Extinction (1%/1 cm) (2) (UV):≥250
- Solvent (UV):Water
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