Indicators, 5 g
-
Thymol Blue Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 76-61-9 Solubility: 0.11 g/l (25°C) Melting Point: 221°C (decomposition) Molar Mass: 466.59 g/mol Bulk Density: 350 kg/m3 Hill Formula: C27H30O5S
-
Cresol Red sodium salt
BeanTown ChemicalCAS: 62625-29-0 EC No: 263-654-8 MDL No: MFCD00001618 Powder Molecular Formula: C21H17NaO5S MW: 404.42 Melting Point: 250° (decomposes)
-
Thymolphthalein, ACS
BeanTown ChemicalCAS: 125-20-2 EC No: 204-729-7 MDL No: MFCD00005909 Crystalline Molecular Formula: C28H30O4 MW: 430.55 Melting Point: 251-253° Density (g/mL): 0.92
-
Azomethine-H hydrate
BeanTown ChemicalCAS: 32266-60-7 EC No: 250-975-3 MDL No: MFCD00066536 Crystalline Molecular Formula: C17H13NO8S2·xH2O MW: 423.40 (anhydrous)
-
m-Cresol Purple
BeanTown ChemicalCAS: 2303-01-7 EC No: 218-960-6 MDL No: MFCD00005871 Powder Molecular Formula: C21H18O5S MW: 382.44
-
Bromophenol Blue sodium salt, ACS
BeanTown ChemicalCAS: 34725-61-6 EC No: 252-170-2 MDL No: MFCD00013793 Crystalline Molecular Formula: C19H9Br4NaO5S MW: 691.94
-
Bromophenol Blue Indicator ACS, Reagent Ph Eur
MilliporeSigmaGrade: ACS, Reag. Ph Eur CAS No.: 115-39-9 Solubility: (20°C) practically insoluble Melting Point: 273°C (decomposition) Molar Mass: 669.96 g/mol Bulk Density: 730 kg/m3 Hill Formula: C19H10Br4O5S
-
Thymol Blue, Sodium Salt Reagent (ACS)
GFS ChemicalsThymolsulfonphthalein. Water soluble pH indicator.
-
Variamine Blue B (ACS)
GFS ChemicalsCH3OC6H4NHC6H4NH2•HCl CAS#: 3566-44-7 F.W.: 250.73 N-[p-Methoxyphenyl]-p-phenylenediamine hydrochloride
-
1-Naphtholphthalein Indicator
MilliporeSigmaCAS No.: 596-01-0 Solubility: (20°C) practically insoluble Melting Point: 253 - 255°C Molar Mass: 418.45 g/mol Bulk Density: 350 kg/m3 Hill Formula: C28H18O4
-
-
alpha-Naphtholphthalein
BeanTown ChemicalCAS: 596-01-0 EC No: 209-875-5 MDL No: MFCD00036202 Powder Molecular Formula: C28H18O4 MW: 418.45 Melting Point: 238-240°
-
5,10,15,20-Tetraphenyl-21H,23H-Porphine, 97%
GFS Chemicals(C6H5)4C20H10N4 CAS#: 917-23-7 F.W.: 614.75 TPP. Contains 1-3% of the corresponding chlorin.
-
Quinaldine Red Indicator Reagent Ph Eur
MilliporeSigmaGrade: Reag. Ph Eur CAS No.: 117-92-0 Solubility: (20°C) practically insoluble Melting Point: 240°C (decomposition) Molar Mass: 430.33 g/mol Bulk Density: 290 kg/m3 Hill Formula: C21H23IN2
-
-
2',7'-Dichlorofluorescein Indicator ACS, Reagent Ph Eur
MilliporeSigmaCAS No.: 76-54-0 Solubility: (20°C) insoluble Molar Mass: 401.2 g/mol Bulk Density: 390 kg/m3 Hill Formula: C20H10Cl2O5
-
Bromphenol Blue, Free Acid (ACS)
GFS ChemicalsC19H10Br4O5S CAS#: 115-39-9 F.W.: 669.97 Organic soluble pH indicator.
-
Tetrabromophenol Blue
BeanTown ChemicalCAS: 4430-25-5 EC No: 224-622-9 MDL No: MFCD00005876 Powder Molecular Formula: C19H6Br8O5S MW: 985.55 Melting Point: 203-205° (decomposes)
-
4,5,6,7-Tetrachlorofluorescein
BeanTown ChemicalCAS: 6262-21-1 EC No: 228-413-3 MDL No: MFCD00010030 Powder Molecular Formula: C20H8Cl4O5 MW: 470.10 Melting Point: 304° (decomposes)
-
Bromophenol Red Indicator
MilliporeSigmaCAS No.: 2800-80-8 Solubility: (20°C) slightly soluble Melting Point: 230°C (decomposition) Molar Mass: 512.18 g/mol Bulk Density: 770 kg/m3 Hill Formula: C19H12Br2O5S
-
-
Methylthymol Blue Sodium Salt (ACS)
GFS ChemicalsC37H40N2O13SNa4 CAS#: 1945-77-3 F.W.: 844.74 Descriptions: Water soluble chelometric indicator.
-
C20H13N4S2O6Na•H2O CAS#: 69898-45-9 F.W.: 510.46 Reagent for the spectrophotometric determination of iron and copper. Approximately 7% water.
-
Phenol Red, ACS
BeanTown ChemicalCAS: 143-74-8 EC No: 205-609-7 MDL No: MFCD00003552 RTECS: SJ7490000 Crystalline Molecular Formula: C19H14O5S MW: 354.38 Melting Point: >300°
-
-
Arsenazo III Metal Indicator
MilliporeSigmaCAS No.: 1668-00-4 pH: 2.3 (10 g/l, H2O, 20°C) Solubility: (20°C) slightly soluble Molar Mass: 776.36 g/mol Bulk Density: 850 kg/m3 Hill Formula: C22H18As2N4O14S2
-
-
Alizarin Complexone, may contain up to 10% water
BeanTown ChemicalCAS: 3952-78-1 EC No: 223-544-2 MDL No: MFCD00001202 RTECS: AH0585000 Powder Molecular Formula: C19H15NO8 MW: 385.32