CAS Number: [6226-79-5] C 22 H 12 N 4 Na 4 O 13 S 4 MW: 760.57 Solution: 0.1% (w/v) Ponceau S in 5%

PONCEAU S, Sodium Salt PON001 CAS number: [6226-79-5] C22H12N4Na4O13S4 MW: 760.61

POTASSIUM ACETATE, ACS, Reagent Grade POA301 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: ≥ 99% Chloride: < 0.001% Sulfate: < 0.001% Heavy Metals: < 0.0005%

POTASSIUM ACETATE, Molecular Grade, 99% POA303 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: ≥ 99% DNase, RNase, Protease: none detected Heavy metals: < 0.0005% Solubility (1 M water): clear/colorless

POTASSIUM ACETATE, Purified Grade POA302 CAS number: [127-08-2] KC2H3O2 MW: 98.14 Purity: min. 99.0%

POTASSIUM BICARBONATE PBC401 ACS, Reagent Grade CAS number: [298-14-6] KHCO3 MW: 100.12 Purity: 99.7 - 100.5%

POTASSIUM BROMIDE, ACS Reagent Grade POB301 CAS number: [7758-02-3] KBr MW: 119.0 Purity: ≥ 99% Insolubles: < 0.005% Heavy Metals (as Pb): < 0.001%

POTASSIUM CARBONATE, ACS Grade, Anhydrous POT888 CAS number: [584-08-7] K2CO3 MW: 138.2 Purity: > 99% Insolubles: < 0.01% Heavy Metals (as Pb): < 5 ppm

POTASSIUM CARBONATE, Reagent Grade, Anhydrous POT999 CAS number: [584-08-7] K2CO3 MW: 138.2 Purity: min 99%

POTASSIUM CHLORIDE, Biotechnology Grade POC888 CAS number: [7447-40-7] KCl MW: 74.55 Purity: ≥ 99.5% DNase, RNase, Protease: none detected Heavy Metals: < 10 ppm Solubility (1 M): clear/colorless

POTASSIUM CHLORIDE, Reagent Grade POC308 CAS number: [7447-40-7] KCl MW: 74.55 Purity: > 99.0% Insolubles: < 0.005% Heavy Metals: < 10 ppm

POTASSIUM FERRICYANIDE, Reagent, ACS Grade PFC444 CAS number: [13746-66-2] K3Fe(CN)6 MW: 329.2 Purity: min. 99.0% Insolubles: ≤ 0.005% Chloride: ≤ 0.01%

POTASSIUM FERROCYANIDE, Trihydrate, Reagent, ACS Grade PFC232 K4Fe(CN)6.3H2O MW: 422.4 Purity: 98.5 - 102.0% Insolubles: ≤ 0.005% Chloride: ≤ 0.01%

POTASSIUM IODIDE, ACS Grade POT001 CAS number: [7681-11-0] Kl MW: 166.0 Purity: ≥ 99% Insolubles: < 0.005%

POTASSIUM PERSULFATE, ACS, Reagent Grade PPS222 CAS number: [7727-21-1] Suitable for electrophoresis K2S2O8 MW: 136.1 Purity: ≥ 99% Insolubles: < 0.005%

POTASSIUM PHOSPHATE DIBASIC PPD303 Anhydrous, ACS, Reagent Grade CAS number: [7758-11-4] K2HPO4 MW: 174.2 Purity: > 98% Insolubles: < 0.01% Heavy Metals (as Pb): < 5 ppm

POTASSIUM PHOSPHATE DIBASIC PPD555 Anhydrous, Biotechnology Grade CAS number: [7758-11-4] K2HPO4 MW: 174.2 Purity: ≥ 99% Insolubles: < 0.01% Heavy Metals (as Pb): < 5 ppm Solubility (1M): clear/colorless DNase, RNase, Protease: none detected

POTASSIUM PHOSPHATE MONOBASIC PPM302 Anhydrous, ACS, Reagent Grade CAS number: [7778-77-0] KH2PO4 MW: 136.1 Purity: > 99% Insolubles: < 0.05% Heavy metals: < 10 ppm

POTASSIUM PHOSPHATE MONOBASIC PPM666 Anhydrous, Biotechnology Grade CAS number: [7778-77-0] KH2PO4 MW: 136.1 Purity: ≥ 99.5% Insolubles: < 0.05% Solubility (1M): clear/colorless DNase, RNase, Protease: none detected

CAS Number: [7778-80-5] K 2 SO 4 MW: 174.26