318728

Bromkresolgrün/Methylrot, gemischter Indikator -Lösung

in methanol

• Synonym(e): Tetrabromocresolsulfonphthalein
• EG-Nummer: 200-659-6
• MDL-Nummer: MFCD00134126
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 329753931
• NACRES: NA.47

Eigenschaften

• Form: liquid
• Qualitätsniveau: 100
• Zusammensetzung: Bromocresol Green, 0.1% ; Methyl Red, 0.02%
• Konzentration: in methanol
• Dichte: 0.839 g/mL at 25 °C
• λmax: 434 nm
• ε (Extinktionskoeffizient): ≥10000 at 282-288 nm in methanol; ≥20000 at 509-519 nm in methanol; ≥7000 at 329-335 nm in methanol
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: CN(C)c1ccc(cc1)\N=N\c2ccccc2C(O)=O.Cc3c(Br)c(O)c(Br)cc3C4(OS(=O)(=O)c5ccccc45)c6cc(Br)c(O)c(Br)c6C
• InChI: 1S/C21H14Br4O5S.C15H15N3O2/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21;1-18(2)12-9-7-11(8-10-12)16-17-14-6-4-3-5-13(14)15(19)20/h3-8,26-27H,1-2H3;3-10H,1-2H3,(H,19,20)/b;17-16+
• InChIKey: MFUUASJGLBWWPF-ZYSYNQLUSA-N

Beschreibung

Allgemeine Beschreibung

Mixed indicator solutions of bromocresol green (pk 4.9) and methyl red (pk 5) give a red color in acidic conditions and green color in basic conditions with a sharp transition through grey color at pH 5.1 as the two colors are complementary.

Anwendung

Geeignet für Titration von Morpholin

Sicherheitshinweise

• Piktogramme: GHS02,GHS06,GHS08
• Signalwort: Danger
• H-Sätze: H225,H301 + H311 + H331,H370
• P-Sätze: P210 - P233 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311
• Gefahreneinstufungen: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
• Zielorgane: Eyes,Central nervous system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 51.8 °F - closed cup
• Flammpunkt (°C): 11.0 °C - closed cup