Reagents, P

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  • Pinacolone, 97%

    Alfa Aesar

    Synonym(s): tert-Butyl methyl ketone, 3,3-Dimethyl-2-butanone Formula: C6H12O Formula weight: 100.16 Purity: 97% CAS Number: 75-97-8 UN Number: UN1224 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.19 Hazard Statements: H225-H302 Highly flammable liquid…

  • Platinum powder, amorphous, <10 micron, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7440-06-4 UN Number: UN3089 Hazard Class: 4.1 Packing Group: II Harmonized Tariff Code:  7110.11 Hazard Statements: H228 Flammable solid. Precautionary Statements: P210-P280-P240-P241-P370+P378a Keep away from heat/sparks/open…

  • Perfluorotri-n-butylamine, tech. 90%

    Alfa Aesar

    Synonym(s): FC-43, Heptacosafluorotri-n-butylamine Formula: [CF3(CF2)3]3N Formula weight: 671.10 Purity: tech. 90% CAS Number: 311-89-7 Harmonized Tariff Code:  2921.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • N-(Benzoylmethyl)pyridinium bromide, 98%

    Alfa Aesar

    Synonym(s): N-Phenacylpyridinium bromide Formula: C13H12BrNO Formula weight: 278.15 Purity: 98% CAS Number: 16883-69-5 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Polyethyleneimine on silica beads, anion exchange resin, 20-40 mesh

    Alfa Aesar

    CAS Number: 9002-98-6 Harmonized Tariff Code:  3914.00

  • Potassium pentaborate octahydrate, 97%

    Alfa Aesar

    Synonym(s): Potassium borate Formula: K2B10O16 8H2O Formula weight: 586.43 (442.30anhy) Purity: 97% CAS Number: 12229-13-9 Harmonized Tariff Code:  2840.20

  • Palladium, plasma standard solution, Specpure®, Pd 1000µg/ml

    Alfa Aesar

    Formula: Pd in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: <

  • 2-Phenylethyl isothiocyanate, 98%

    Alfa Aesar

    Synonym(s): Phenethyl isothiocyanate Formula: C6H5(CH2)2NCS Formula weight: 163.24 Purity: 98% CAS Number: 2257-09-2 UN Number: UN2922 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H331-H314-H318-H302-H312 Toxic if inhaled.…

  • Polyethylene glycol 6,000

    Alfa Aesar

    Synonym(s): PEG 6000 Formula: H(OCH2CH2) nOH CAS Number: 25322-68-3 Harmonized Tariff Code:  3907.20

  • Platinum slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals…

    Alfa Aesar

    Purity: 99.95% (metals basis) CAS Number: 7440-06-4 Harmonized Tariff Code:  7110.19

  • 1,7-Phenanthroline

    Alfa Aesar

    Formula: C12H8N2 Formula weight: 180.21 CAS Number: 230-46-6 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H331-H341-H302-H312 Toxic if inhaled. Suspected of causing genetic defects. Harmful if swallowed. Harmful in…

  • Polydimethylsiloxane, trimethylsiloxy terminated, M.W. 1250

    Alfa Aesar

    Formula: (CH3)3SiO(Si(CH3)2O) nSi(CH3)3 CAS Number: 9016-00-6 Harmonized Tariff Code:  3910.00

  • PIPES, 0.5M buffer soln., pH 6.0

    Alfa Aesar

    CAS Number: 5625-37-6 Harmonized Tariff Code:  2933.59

  • 3-Picoline N-oxide, 98%

    Alfa Aesar

    Synonym(s): 3-Methylpyridine N-oxide Formula: C6H7NO Formula weight: 109.13 Purity: 98% CAS Number: 1003-73-2 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Pentadecanolide, 98%

    Alfa Aesar

    Synonym(s): Cyclopentadecanolide, 15-Hydroxypentadecanoic acid lactone Formula: C15H28O2 Formula weight: 240.39 Purity: 98% CAS Number: 106-02-5 Harmonized Tariff Code:  2932.20

  • Piperidine-1-sulfonyl chloride, 97%

    Alfa Aesar

    Formula: C5H10ClNO2S Formula weight: 183.65 Purity: 97% CAS Number: 35856-62-3 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. …

  • trans-1-n-Pentyl-4-(4-n-propylcyclohexyl)benzene, 99%

    Alfa Aesar

    Formula: C20H32 Formula weight: 272.47 Purity: 99% CAS Number: 89363-50-8 Harmonized Tariff Code:  2902.90

  • Palladium, 5% on carbon, Type 87L, nominally 50% water wet

    Alfa Aesar

    Palladium, 5% on carbon, Type 87L, nominally 50% water wet

  • 3-Phenylhydantoin, 95%

    Alfa Aesar

    Synonym(s): 3-Phenyl-2,4-imidazolidinedione Formula: C9H8N2O2 Formula weight: 176.17 Purity: 95% CAS Number: 2221-13-8 Harmonized Tariff Code:  2933.29 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with…

  • Polyester acrylate/methacrylate, PEAM-1769

    Alfa Aesar

    CAS Number: 921214-61-1 Harmonized Tariff Code:  2916.12 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 23-26-37-60

  • Phenyltrimethylsilane, 99%

    Alfa Aesar

    Synonym(s): Trimethylphenylsilane Formula: C9H14Si Formula weight: 150.30 Purity: 99% CAS Number: 768-32-1 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H226-H315-H319 Flammable liquid and vapour. Causes skin…

  • Polystyrene standard, M.W. 1,300, Mw/Mn 1.06

    Alfa Aesar

    CAS Number: 9003-53-6 Harmonized Tariff Code:  3903.19

  • n-Propyl formate, 97%

    Alfa Aesar

    Synonym(s): Formic acid n-propyl ester Formula: HCO2CH2CH2CH3 Formula weight: 88.11 Purity: 97% CAS Number: 110-74-7 UN Number: UN1281 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.13 Hazard Statements: H225-H319-H335-H336 Highly flammable liquid and…

  • Piroxicam

    Alfa Aesar

    Synonym(s): Piroxicamum, Larapam Formula: C15H13N3O4S Formula weight: 331.35 CAS Number: 36322-90-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Potassium selenate, 99.5% (metals basis)

    Alfa Aesar

    Formula: K2SeO4 Formula weight: 221.16 Purity: 99.5% (metals basis) CAS Number: 7790-59-2 UN Number: UN2630 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…

  • Potassium hexacyanoferrate(II), 0.1N Standardized Solution

    Alfa Aesar

    Synonym(s): Potassium ferrocyanide Formula: C6FeK4N6 Formula weight: 368.36 CAS Number: 13943-58-3 Harmonized Tariff Code:  2837.20

  • Phthalic acid, 99%

    Alfa Aesar

    Synonym(s): Benzene-1,2-dicarboxylic acid Formula: C8H6O4 Formula weight: 166.13 Purity: 99% CAS Number: 88-99-3 Harmonized Tariff Code:  2917.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 3-n-Propyl-2-pyrazolin-5-one, 98%

    Alfa Aesar

    Synonym(s): 2,4-Dihydro-5-n-propyl-3H-pyrazol-3-one Formula: C6H10N2O Formula weight: 126.16 Purity: 98% CAS Number: 29211-70-9 Harmonized Tariff Code:  2933.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 2,3,4,5,6-Pentafluorobenzyl chloride, 98%

    Alfa Aesar

    Synonym(s): alpha-Chloro-2,3,4,5,6-pentafluorotoluene Formula: C7H2ClF5 Formula weight: 216.54 Purity: 98% CAS Number: 653-35-0 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H301-H311-H331-H314-H318 Toxic if…

  • Parathyroid Hormone (39-68), human

    Alfa Aesar

    Formula: C139H234N46O46 Formula weight: 3285.67 CAS Number: 79804-72-1 Harmonized Tariff Code:  2937.90

  • Propionyl chloride, 98%

    Alfa Aesar

    Formula: C3H5ClO Formula weight: 92.53 Purity: 98% CAS Number: 79-03-8 UN Number: UN1815 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H225-H314 Highly flammable liquid and vapour. Causes severe skin burns and eye damage. …

  • Perfluoro(2-n-butyltetrahydrofuran), tech., cont. perfluoro(2-n…

    Alfa Aesar

    Formula: C8F16O Formula weight: 416.06 CAS Number: 335-36-4 Harmonized Tariff Code:  2932.19

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