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  • Potassium nitrate, 99.994% (metals basis)

    Alfa Aesar

    Formula: KNO3 Formula weight: 101.11 Purity: 99.994% (metals basis) CAS Number: 7757-79-1 UN Number: UN1486 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.21 Hazard Statements: H272 May intensify fire; oxidizer. Precautionary Statements: …

  • Potassium hexachloroplatinate(IV), Pt 39.6%

    Alfa Aesar

    Formula: Cl6K2Pt Formula weight: 486.01 CAS Number: 16921-30-5 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H301-H334-H318-H290-H317 Toxic if swallowed. May cause allergy or asthma symptoms or breathing…

  • 1H,1H,2H,2H-Perfluorodecyltriethoxysilane, 97%

    Alfa Aesar

    Synonym(s): Triethoxy-1H,1H,2H,2H-perfluorodecylsilane Formula: C16F17H19O3Si Formula weight: 610.38 Purity: 97% CAS Number: 101947-16-4 UN Number: UN1760 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin…

  • Potassium chloride, ultra dry, 99.95% (metals basis)

    Alfa Aesar

    Formula: KCl Formula weight: 74.55 Purity: 99.95% (metals basis) CAS Number: 7447-40-7 Harmonized Tariff Code:  2827.39

  • Pyrrole, 98+%

    Alfa Aesar

    Formula: C4H5N Formula weight: 67.09 Purity: 98+% CAS Number: 109-97-7 UN Number: UN1992 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H301-H331-H318-H226 Toxic if swallowed. Toxic if inhaled. Causes serious eye damage. Flammable…

  • Pancreatin, porcine pancreas

    Alfa Aesar

    Synonym(s): , Pancreatin from porcine pancreas CAS Number: 8049-47-6 Harmonized Tariff Code:  3507.90 Hazard Statements: H334-H335-H315-H319 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation. Causes skin irritation. Causes serious…

  • Pyridine, 99+%

    Alfa Aesar

    Formula: C5H5N Formula weight: 79.10 Purity: 99+% CAS Number: 110-86-1 UN Number: UN1282 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2933.31 Hazard Statements: H225-H302-H312-H332 Highly flammable liquid and vapour. Harmful if swallowed. Harmful in contact…

  • Perchloric acid, ACS, 60-62%

    Alfa Aesar

    Formula: HClO4 Formula weight: 100.46 CAS Number: 7601-90-3 UN Number: UN1873 Hazard Class: 5.1 Packing Group: I Harmonized Tariff Code:  2811.19 Hazard Statements: H271-H314-H318-H302 May cause fire or explosion; strong oxidizer. Causes severe skin burns and eye damage.…

  • (^+)-2-Pentanol, 99%

    Alfa Aesar

    Synonym(s): (+/-)-Methyl n-propyl carbinol Formula: C5H12O Formula weight: 88.15 Purity: 99% CAS Number: 6032-29-7 UN Number: UN1105 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.19 Hazard Statements: H226-H332-H335 Flammable liquid and vapour.…

  • Polyvinylpyrrolidone, M.W. 10,000

    Alfa Aesar

    Synonym(s): PVP K15, Povidone Formula: (C6H9NO) n CAS Number: 9003-39-8 Harmonized Tariff Code:  3905.99

  • Potassium sorbate, 99%

    Alfa Aesar

    Synonym(s): Sorbic acid potassium salt Formula: C6H7KO2 Formula weight: 150.22 Purity: 99% CAS Number: 24634-61-5 Harmonized Tariff Code:  2916.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Polyethylene glycol methyl ether methacrylate, M.W. 1,000

    Alfa Aesar

    Synonym(s): mPEG-methacrylate Formula: CH3(OCH2CH2) nOCOC(=CH2)CH3 CAS Number: 26915-72-0 Harmonized Tariff Code:  3907.20 Risk Phrases: 37/38-41-43 Irritating to respiratory system and skin. Risk of serious damage to eyes. May cause sensitisation by skin contact. Safety Phrases: …

  • Potassium hexacyanoferrate(III), ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Potassium ferricyanide Formula: K3Fe(CN)6 Formula weight: 329.26 Purity: 99.0% min CAS Number: 13746-66-2 Harmonized Tariff Code:  2837.20 Risk Phrases: 32 Contact with acids liberates very toxic gas. Safety Phrases: 60 This material and/or its container must be…

  • Potassium hexacyanoferrate(III), 98+%

    Alfa Aesar

    Synonym(s): Potassium ferricyanide Formula: C6FeK3N6 Formula weight: 329.26 Purity: 98+% CAS Number: 13746-66-2 Harmonized Tariff Code:  2837.20 Risk Phrases: 32 Contact with acids liberates very toxic gas. Safety Phrases: 60 This material and/or its container must be…

  • 4-(2-Pyridylazo)resorcinol, 99%

    Alfa Aesar

    Synonym(s): PAR Formula: C11H9N3O2 Formula weight: 215.21 Purity: 99% CAS Number: 1141-59-9 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Potassium cyanide, 97+%

    Alfa Aesar

    Formula: CKN Formula weight: 65.12 Purity: 97+% CAS Number: 151-50-8 UN Number: UN1680 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2837.19 Hazard Statements: H300-H310-H330 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. Precautionary…

  • Poloxamer 188

    Alfa Aesar

    Synonym(s): Pluronic r F-68, Polyoxyethylene-polyoxypropylene block copolymer CAS Number: 9003-11-6 Harmonized Tariff Code:  3907.20

  • Potassium hydrogen iodate, primary standard, ACS, 99.95-100.05%

    Alfa Aesar

    Formula: KH(IO3)2 Formula weight: 389.91 Purity: 99.95-100.05% CAS Number: 13455-24-8 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H272-H314-H318 May intensify fire; oxidizer. Causes severe skin burns and eye…

  • Potassium perchlorate, anhydrous, ACS, 99.0-100.5%

    Alfa Aesar

    Formula: KClO4 Formula weight: 138.55 Purity: 99.0-100.5% CAS Number: 7778-74-7 UN Number: UN1489 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H271-H302 May cause fire or explosion; strong oxidizer. Harmful if swallowed. …

  • Phenolphthalein, 2% soln. in 95% ethanol

    Alfa Aesar

    Formula: C20H14O4 Formula weight: 318.33 CAS Number: 77-09-8 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2932.20 Hazard Statements: H225-H350-H341-H361-H371 Highly flammable liquid and vapour. May cause cancer. Suspected of causing genetic…

  • 1-Pentanethiol, 97%

    Alfa Aesar

    Synonym(s): n-Amyl mercaptan, n-Pentyl mercaptan Formula: CH3(CH2)4SH Formula weight: 104.22 Purity: 97% CAS Number: 110-66-7 UN Number: UN1111 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H225-H302-H332-H315-H319-H335 Highly…

  • Propargylamine hydrochloride, 95%

    Alfa Aesar

    Synonym(s): 2-Propynylamine hydrochloride Formula: HC CCH2NH2 HCl Formula weight: 91.54 Purity: 95% CAS Number: 15430-52-1 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.19 Hazard Statements: H300-H310-H330-H315-H319-H335 Fatal if…

  • Potassium permanganate, low in mercury, ACS, 99.0% min

    Alfa Aesar

    Formula: KMnO4 Formula weight: 158.03 Purity: 99.0% min CAS Number: 7722-64-7 UN Number: UN1490 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2841.61 Hazard Statements: H272-H302 May intensify fire; oxidizer. Harmful if swallowed. Precautionary Statements:…

  • Pepsin, porcine stomach

    Alfa Aesar

    Synonym(s): EC 3.4.23.1, Pepsin A CAS Number: 9001-75-6 Harmonized Tariff Code:  3507.90 Hazard Statements: H334-H335-H315-H319 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause respiratory irritation. Causes skin irritation. Causes serious eye…

  • 2-Propanol, ACS, 99.5% min

    Alfa Aesar

    Synonym(s): IPA, Isopropanol Formula: (CH3)2CHOH Formula weight: 60.10 Purity: 99.5% min CAS Number: 67-63-0 UN Number: UN1219 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.12 Hazard Statements: H225-H319-H336 Highly flammable liquid and vapour. Causes…

  • Phosphate-buffered saline (PBS, 1X), sterile

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Potassium nitrate, 99%

    Alfa Aesar

    Formula: KNO3 Formula weight: 101.11 Purity: 99% CAS Number: 7757-79-1 UN Number: UN1486 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.21 Hazard Statements: H272 May intensify fire; oxidizer. Precautionary Statements: …

  • Periodic acid, 99%

    Alfa Aesar

    Formula: H5IO6 Formula weight: 227.94 Purity: 99% CAS Number: 10450-60-9 UN Number: UN3085 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2811.19 Hazard Statements: H272-H314 May intensify fire; oxidizer. Causes severe skin burns and eye damage. …

  • Potassium chloride, 0.117M, Conductivity Standard

    Alfa Aesar

    Formula: KCl, 15000^mmho 25^o Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code:  3822.00

  • 4-(1-Pyrrolidinyl)benzaldehyde, 98+%

    Alfa Aesar

    Synonym(s): 4-(1-Pyrrolidino)benzaldehyde Formula: C11H13NO Formula weight: 175.23 Purity: 98+% CAS Number: 51980-54-2 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Polyvinyl acetate, M.W. ca 50,000

    Alfa Aesar

    CAS Number: 9003-20-7 Harmonized Tariff Code:  3905.19

  • Poly-D-lysine hydrobromide, BT-227

    Alfa Aesar

    CAS Number: 27964-99-4 MDL: MFCD00131934 Form: Solid Harmonized Tariff Code:   3908.90

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