Chemical Indicator Supplies

Grade: Reag. Ph Eur CAS No.: 2411-89-4 Solubility: (20°C) insoluble Melting Point: 186°C Molar Mass: 636.62 g/mol Bulk Density: 50 kg/m3 Hill Formula: C32H32N2O12

Grade: ACS CAS No.: 845-10-3 pH: 8.2 (10 g/l, H2O, 25°C) Solubility: 800 g/l (25°C) Molar Mass: 291.29 g/mol Bulk Density: 360 kg/m3 Hill Formula: C15H14N3NaO2

K₂CrO₄ CAS#: 7789-00-6 F.W.: 194.20 NFPA#: 4-0-2 Specific Gravity: 1.040 Indicator for volumetric chloride determination.

pH 4.2 (pink) to pH 6.3 (yellow)

Grade: ACS, Reag. Ph Eur CAS No.: 76-59-5 Solubility: (20°C) insoluble Molar Mass: 624.38 g/mol Bulk Density: 450 kg/m3 Hill Formula: C27H28Br2O5S

C₅H₄N-N=N-C₁₀H₆OH CAS#: 85-85-8 F.W.: 249.26

pH 4.2 (pink) to pH 6.3 (yellow)

C₁₉H₁₀Br₄O₅S CAS#: 115-39-9 F.W.: 669.97 Organic soluble pH indicator.

C₂₀H₁₀Cl₂O₅ CAS#: 76-54-0 F.W.: 401.20

C₁₅H₁₄N₃O₂Na CAS#: 845-10-3 F.W.: 291.29 Visual transition pH 4.2-6.2, pink-yellow

The Exaxol 0.1% xylenol orange with a heavy metal-free formulation comes in a poly bottle and is an ideal solution to have in chemical laboratories and research facilities. Application: For Laboratory use only

Concentration: 0.5% w/v Composition: Water 99.38%, Starch, Soluble 0.50%, Salicylic Acid 0.13% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: White translucent liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 12 Months Storage: Ambient DOT: NOT REGULATED.

Grade: ACS, Reag. Ph Eur CAS No.: 493-52-7 Solubility: (20°C) slightly soluble Melting Point: 178 - 182°C Molar Mass: 269.31 g/mol Bulk Density: 300 - 500 kg/m3 Hill Formula: C15H15N3O2

C₁₅H₁₄N₃O₂Na

Thymol blue, free acid

Grade: ACS, Reag. Ph Eur CAS No.: 77-09-8 pH: Solubility: 3.36 mg/l (20°C) Melting Point: 263.7°C Molar Mass: 318.32 g/mol Bulk Density: 350 - 450 kg/m3 Density: 1.296 g/cm3 (20°C) Hill Formula: C20H14O4

C₂₀H₆Br₄Na₂O₅ CAS#: 17372-87-1 F.W.: 691.86 2',4',5',7'-Tetrabromofluorescein, Disodium Salt

Concentration: 0.5% w/v in 95% Ethanol Composition: Ethyl Alcohol 84.86%, Water 6.96%, Methyl Alcohol 3.58%, Methyl Isobutyl Ketone 1.89%, Ethyl Acetate 1.29%, Petroleum Ether 0.80%, Phenolphthalein 0.63% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C Color:...

Grade: ACS CAS No.: 34722-90-2 Molar Mass: 646.36 g/mol Hill Formula: C27H27Br2NaO5S

C₂₀H₁₂N₂O₁₁S₃Na₂

CAS: 143-74-8 EC No: 205-609-7 MDL No: MFCD00003552 RTECS: SJ7490000 Powder Molecular Formula: C₁₉H₁₄O₅S MW: 354.38 Melting Point: >300°

CAS: 596-01-0 EC No: 209-875-5 MDL No: MFCD00036202 Powder Molecular Formula: C₂₈H₁₈O₄ MW: 418.45 Melting Point: 238-240°

The Exaxol ferric-alum indicator features a metal-free formulation and comes in an impact-resistant bottle. It is mainly designed to use in chemical laboratories and research facilities. Application: For Laboratory use only

CAS: 76-59-5 EC No: 200-971-2 MDL No: MFCD00005872 RTECS: SJ4500000 Crystalline Molecular Formula: C₂₇H₂₈Br₂O₅S MW: 624.38 Melting Point: 200-202°