(C₆H₁₀O₅)_n CAS#: 9005-84-9 For iodometry Potato starch.

An acid-base indicator developed from various orcinol-containing lichen including Lecanora tartarea, Rocella fuciformis and Variolaria dealbata. The principal coloring matter in Litmus is Azolitmus, a substituted 7-hydroxy-2-phenoxazone derivative.

CAS: 77-09-8 EC No: 201-004-7 MDL No: MFCD00005913 RTECS: SM8380000 Powder Molecular Formula: C₂₀H₁₄O₄ MW: 318.33 Melting Point: 261-263° Density (g/mL): 1.299

C₂₁H₂₀O₆ CAS#: 458-37-7 F.W.: 368.39 NFPA#: 1-1-1 Descriptions: C.I. 75300

Meets APHA Specifications

Phenolphthalein can be used in a 1% alcoholic solution as an indicator in titrations of mineral and organic acids and most alkalies. Not suitable for ammonia. Very sensitive to CO₂; and, in estimating carbonates, the liquid must be boiled. Borax can be titrated with phenolphthalein as an…

Water soluble indicator

Grade: ACS, Reag. Ph Eur CAS No.: 3051-09-0 pH: 5 (1 g/l, H2O, 20°C) Solubility: 1 g/l (20°C) Molar Mass: 284.19 g/mol Bulk Density: 330 kg/m3 Hill Formula: C8H8N6O6

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°

C₁₂H₆NO₄Na CAS#: 62758-13-8 F.W.: 251.18 NFPA#: 2-1-1 Certifiable

Grade: ACS, Reag. Ph Eur CAS No.: 76-60-8 Solubility: (20°C) insoluble Melting Point: 217 - 218°C Molar Mass: 698.02 g/mol Bulk Density: 350 kg/m3 Hill Formula: C21H14Br4O5S

Grade: ACS, Reag. Ph Eur CAS No.: 1787-61-7 pH: 3.7 (10 g/l, H2O, 20°C) Solubility: 50 g/l (20°C) Molar Mass: 461.38 g/mol Bulk Density: 400 - 600 kg/m3 Hill Formula: C20H12N3NaO7S

Grade: 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

C₂₁H₁₇O₅SNa CAS#: 62625-29-0 F.W.: 404.42 Descriptions: o-Cresolsulfonphthalein. Water soluble pH indicator.

CAS: 62625-31-4 EC No: 263-656-9 MDL No: MFCD00010177 Powder Molecular Formula: C₂₁H₁₇NaO₅S MW: 404.42

C₃₇H₄₀N₂O₁₃SNa₄ CAS#: 1945-77-3 F.W.: 844.74 Descriptions: Water soluble chelometric indicator.

C₂₀H₁₂N₂O₁₁S₃Na₂

CH₃C₆H₄SO₂NClNa•3H₂O CAS#: 7080-50-4 F.W.: 281.70 NFPA#: 3-1-2 Descriptions: (N-chloro-p-toluenesulfonamide, sodium salt)

2,2-Dihydroxy-1,3-indanedione;1,2,3-Indanetrione monohydrate. Indicator for amines.

C₁₉H₉Br₄O₅SNa

C₃₂H₃₆Cl₂N₆S₂•ZnCl₂•H₂O CAS#: 26283-09-0 F.W.: 794.02

CH₃OC₆H₄NHC₆H₄NH₂•HCl CAS#: 3566-44-7 F.W.: 250.73 N-[p-Methoxyphenyl]-p-phenylenediamine hydrochloride

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

C₂₅H₃₀ClN₃

C₁₄H₈O₄

C₁₀H₈O₃ CAS#: 90-33-5 F.W.: 176.17 4-Methylumbelliferone. Standard for fluorometric determination of enzyme activity.

C₁₄H₁₄N₃O₃S Na

C₂₀H₁₀Cl₂O₅ CAS#: 76-54-0 F.W.: 401.20 2',7'-Dichloro-3,6-fluorandiol

C₂₀H₁₄O₄