Chemical Indicator Supplies

Concentration: 1% w/v in Isopropanol Composition: Isopropyl Alcohol 98.75%, Phenolphthalein 1.25% Boiling Point: Approximately 77°C Density: 0.8 Melting Point: Approximately -90°C Color: Colorless liquid Physical State: Liquid Flash Point: 12°C pH Range: 8.0 (colorless) - 10.0 (pink) Solubility...

pH 5.2 (yellow) to pH 6.8 (purple)

(CH₃NHC₆H₄OH)₂•H₂SO₄ CAS#: 55-55-0 F.W.: 344.39

CAS No.: 76-54-0 Solubility: (20°C) insoluble Molar Mass: 401.2 g/mol Bulk Density: 390 kg/m3 Hill Formula: C20H10Cl2O5

Grade: ACS CAS No.: 34487-61-1 Solubility: 100 g/l (20°C) Melting Point: 285°C Molar Mass: 376.35 g/mol Hill Formula: C19H13NaO5S

C₁₄H₁₄N₃O₃SNa CAS#: 547-58-0 F.W.: 327.34

C₂₇H₂₇Br₂O₅SNa

Grade: ACS, Reag. Ph Eur CAS No.: 115-40-2 Solubility: (20°C) slightly soluble Melting Point: 242°C Molar Mass: 540.22 g/mol Bulk Density: 515 kg/m3 Hill Formula: C21H16Br2O5S

1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic Acid CAS#: 3147-14-6 F.W.: 358.38

CAS No.: 3688-92-4 pH: 6.1 (10 g/l, H2O, 20°C) Solubility: (20°C) soluble Melting Point: 576.3 g/mol Bulk Density: 700 kg/m3 Hill Formula: C16H11AsN2Na2O10S2

Grade: ACS, Reag. Ph Eur CAS No.: 125-20-2 Solubility: (20°C) practically insoluble Melting Point: 253°C Molar Mass: 430.54 g/mol Bulk Density: 400 kg/m3 Hill Formula: C28H30O4

C₂₇H₃₀O₅S CAS#: 76-61-9 F.W.: 466.60 Thymolsulfonphthalein

Grade: Reag. Ph Eur CAS No.: 587-98-4 pH: 10 (10 g/l, H2O, 20°C) Solubility: 25 g/l (20°C) Molar Mass: 375.38 g/mol Bulk Density: 330 kg/m3 Hill Formula: C18H14N3NaO3S

(HO)₂C₁₀H₃(SO₃Na)₂N=NC₆H₄SO₃Na CAS#: 23647-14-5 F.W.: 570.42 (4,5-Dihydroxy-3-(p-sulfophenylazo)-2,7-naphthalene disulfonic acid, trisodium

Thymolphthalein

Ammonium purpurate. Indicator for complexometry.

pH: 6 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C)

CAS No.: 130-22-3 Solubility: (20°C) soluble Molar Mass: 342.26 g/mol Hill Formula: C14H7NaO7S

pH 3.8 (yellow) to pH 5.4 (blue). Total Alkalinity indicator.

The Exaxol eriochrome black T (0.5% w/w in NaCl (dry)) is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Calcium Hardness

pH 6.0 (yellow) to pH 7.6 (blue)

Grade: Reag. Ph Eur CAS No.: 1829-00-1 pH: 5.1 (10 g/l, H2O, 20°C) Solubility: 29 g/l (24°C) Melting Point: >300°C (decomposition) Molar Mass: 695.7 g/mol Bulk Density: 310 kg/m3 Hill Formula: C28H19N5Na2O6S4

CAS: 547-58-0 EC No: 208-925-3 MDL No: MFCD00007502 RTECS: DB6327000 UN No: UN3143; Haz Class: 6.1; Packing Group: III Crystalline/Powder Molecular Formula: C₁₄H₁₄N₃NaO₃S MW: 327.34 Melting Point: >300°