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Reagents, P, Alfa Aesar

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  • Potassium dichromate, 99%

    Alfa Aesar

    Synonym(s): Potassium bichromate Formula: Cr2K2O7 Formula weight: 294.18 Purity: 99% CAS Number: 7778-50-9 UN Number: UN3087 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2841.50 Hazard Statements: H272-H301-H330-H334-H340-H350-H360-H372-H314-H312-H317 …

  • 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 hydrogen iodate, 0.025N Standardized Solution

    Alfa Aesar

    Synonym(s): Potassium biiodate Formula: KH(IO3)2 Formula weight: 389.91 CAS Number: 13455-24-8 Harmonized Tariff Code:  3822.00

  • Perfluorododecanoic acid, 96%

    Alfa Aesar

    Synonym(s): Perfluorolauric acid, Tricosafluorododecanoic acid Formula: C12HF23O2 Formula weight: 614.10 Purity: 96% CAS Number: 307-55-1 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318 Causes severe…

  • Paraformaldehyde, 4% in PBS

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H318-H351-H317-H315 Causes serious eye damage. Suspected of causing cancer. May cause an allergic skin reaction. Causes skin irritation. Precautionary Statements: P261-P280-P281-P305+P351+P338-P405-P501a Avoid breathing…

  • Potassium permanganate, 98%

    Alfa Aesar

    Formula: KMnO4 Formula weight: 158.03 Purity: 98% 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: …

  • 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.…

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

    Alfa Aesar

    Synonym(s): Phthalic acid monopotassium salt, Potassium biphthalate Formula: C8H5KO4 Formula weight: 204.23 Purity: 99.95-100.05% CAS Number: 877-24-7 Harmonized Tariff Code:  2917.39

  • 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…

  • 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…

  • Potassium formate, 99% (water less than 2%)

    Alfa Aesar

    Synonym(s): Formic acid potassium salt Formula: HCO2K Formula weight: 84.12 Purity: 99% (water less than 2%) CAS Number: 590-29-4 Harmonized Tariff Code:  2915.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Potassium hexafluorophosphate, 99% min

    Alfa Aesar

    Formula: KPF6 Formula weight: 184.07 Purity: 99% min CAS Number: 17084-13-8 UN Number: UN3260 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2826.90 Hazard Statements: H314-H318-H302-H312-H332 Causes severe skin burns and eye damage. Causes serious eye damage.…

  • Polysorbate 80

    Alfa Aesar

    Synonym(s): Polyoxyethylene sorbitan monooleate CAS Number: 9005-65-6 Harmonized Tariff Code:  3402.13

  • Potassium chromate, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Potassium chromium(VI) oxide Formula: K2CrO4 Formula weight: 194.19 Purity: 99.0% min CAS Number: 7789-00-6 UN Number: UN3087 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2841.50 Hazard Statements: H340-H350-H315-H319-H317-H335 May cause…

  • Polystyrene latex microsphere, 0.50 micron, 2.5 wt% dispersion in water

    Alfa Aesar

    Formula: [-CH2CH(C6H5)-] n CAS Number: 9003-53-6 Harmonized Tariff Code:  3903.19

  • Phenol Red sodium salt, 0.02% w/v aq. soln.

    Alfa Aesar

    Formula: C19H13NaO5S Formula weight: 376.37 Harmonized Tariff Code:  2914.70

  • Potassium Dihydrogen Phosphate, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Potassium orthophosphate, Potassium phosphate, monobasic Formula: H2KO4P Formula weight: 136.09 Purity: 99.0% min CAS Number: 7778-77-0 Harmonized Tariff Code:  2835.24 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. …

  • Phthaldialdehyde, 98%

    Alfa Aesar

    Synonym(s): Benzene-1,2-dicarboxaldehyde, Phthalaldehyde Formula: C8H6O2 Formula weight: 134.14 Purity: 98% CAS Number: 643-79-8 UN Number: UN2923 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2912.29 Hazard Statements: H300-H314-H318-H317 Fatal if…

  • Potassium trioxalatoferrate(III) trihydrate

    Alfa Aesar

    Synonym(s): Potassium iron(III) oxalate Formula: K3Fe(C2O4)3 3H2O Formula weight: 491.26 (437.21anhy) CAS Number: 5936-11-8 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H302-H312 Harmful if swallowed. Harmful in…

  • Platinum, 5% on graphite

    Alfa Aesar

    UN Number: UN1325 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  3815.12 Hazard Statements: H228-H315-H319-H335 Flammable solid. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Potassium phosphate, 0.2M buffer soln., pH 7.6

    Alfa Aesar

    CAS Number: 7778-77-0 Harmonized Tariff Code:  2835.24

  • 2-Pyrrolidinone, 99%

    Alfa Aesar

    CAS Number: 616-45-5 MDL: MFCD00005270 EINECS: 210-483-1 Packing Group: II Formula: C4H7NO Formula Weight: 85.11 Melting Point: 23-25° Boiling Point: 245° Flash Point: >110°(230°F) Density: 1.12…

  • Polystyrene, methacrylate terminated, M.W. 12,000, 33% w/w in cyclohexane

    Alfa Aesar

    Formula: H-(C6H5C2H3) n-C6H9O2 UN Number: UN1993 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  3903.19 Hazard Statements: H225-H304-H315-H336 Highly flammable liquid and vapour. May be fatal if swallowed and enters airways. Causes skin irritation. May cause drowsiness…

  • 2,3,4,5,6-Pentafluorobenzyl bromide, 98+%

    Alfa Aesar

    Synonym(s): alpha-Bromo-2,3,4,5,6-pentafluorotoluene Formula: C7H2BrF5 Formula weight: 261.00 Purity: 98+% CAS Number: 1765-40-8 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318-H227 Causes severe skin…

  • Potassium dichromate, 0.1N Standardized Solution

    Alfa Aesar

    Formula: Cr2K2O7 Formula weight: 294.18 CAS Number: 7778-50-9 Harmonized Tariff Code:  2841.50 Hazard Statements: H334-H340-H350-H360-H373-H318-H332-H315-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. May…

  • 2-(1-Pyrrolidinyl)phenol, 98%

    Alfa Aesar

    Synonym(s): 1-(2-Hydroxyphenyl)pyrrolidine, 2-(1-Pyrrolidino)phenol Formula: C10H13NO Formula weight: 163.22 Purity: 98% CAS Number: 4787-77-3 Harmonized Tariff Code:  2907.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Polyethylene glycol di-p-toluenesulfonate, M.W. 3,400

    Alfa Aesar

    Synonym(s): PEG-di-p-tosylate Formula: CH3C6H4SO2(OCH2CH2) nOSO2C6H4CH3 Harmonized Tariff Code:  3907.20

  • 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

  • Phenolphthalein, ACS

    Alfa Aesar

    Formula: C20H14O4 Formula weight: 318.33 CAS Number: 77-09-8 Harmonized Tariff Code:  2932.20 Hazard Statements: H350-H341-H361 May cause cancer. Suspected of causing genetic defects. Suspected of damaging fertility or the unborn child. Precautionary Statements: …

  • Potassium iodate, ACS, 99.4-100.4%

    Alfa Aesar

    Formula: KIO3 Formula weight: 214.00 Purity: 99.4-100.4% CAS Number: 7758-05-6 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin irritation. Causes serious…

  • Paclobutrazol

    Alfa Aesar

    Synonym(s): ^a-tert-Butyl-?-(4-chlorobenzyl)-1H-1,2,4-triazole-1-ethanol Formula: C15H20ClN3O Formula weight: 293.79 CAS Number: 76738-62-0 UN Number: UN1325 Hazard Class: 4.1 Packing Group: II Harmonized Tariff Code:  2933.99 Risk Phrases: 11-21/22 Flammable. Harmful in…

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