318728

Bromocresol Green/Methyl Red, mixed indicator solution

in methanol

• Synonym(s): Tetrabromocresolsulfonphthalein
• EC Number: 200-659-6
• MDL number: MFCD00134126
• UNSPSC Code: 12171500
• PubChem Substance ID: 329753931
• NACRES: NA.47

Properties

• form: liquid
• Quality Level: 100
• composition: Bromocresol Green, 0.1% ; Methyl Red, 0.02%
• concentration: in methanol
• density: 0.839 g/mL at 25 °C
• λmax: 434 nm
• ε (extinction coefficient): ≥10000 at 282-288 nm in methanol; ≥20000 at 509-519 nm in methanol; ≥7000 at 329-335 nm in methanol
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: 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+
• InChI key: MFUUASJGLBWWPF-ZYSYNQLUSA-N

Description

General description

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.

Application

Suitable for titration of morpholine

Safety Information

• Pictograms: GHS02,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H225,H301 + H311 + H331,H370
• Precautionary Statements: P210 - P233 - P280 - P301 + P310 - P303 + P361 + P353 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
• Target Organs: Eyes,Central nervous system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 51.8 °F - closed cup
• Flash Point(C): 11.0 °C - closed cup