Reagents, P

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  • Paraformaldehyde fixative solution

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H351-H317 Suspected of causing cancer. May cause an allergic skin reaction. Precautionary Statements: P261-P280-P281-P363-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye…

  • Poly(allylamine hydrochloride)

    Alfa Aesar

    Formula: [CH2CH(CH2NH2 HCl)] n CAS Number: 71550-12-4 Harmonized Tariff Code:  3911.90 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic skin reaction. Precautionary Statements: P280h Wear protective gloves/clothing. Risk Phrases: 22-43 Harmful if…

  • Potassium iodide, 99%

    Alfa Aesar

    Formula: KI Formula weight: 166.01 Purity: 99% CAS Number: 7681-11-0 Harmonized Tariff Code:  2827.60

  • Phenol:Chloroform:Isoamyl alcohol 25:24:1, Ready-to-Use saturated aq. soln., pH…

    Alfa Aesar

    CAS Number: 136112-00-0 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H331-H314-H341-H351-H373-H302-H312 Toxic if inhaled. Causes severe skin burns and eye damage. Suspected of causing genetic defects. Suspected of causing…

  • 2,4-Pentanedione, 99%

    Alfa Aesar

    Synonym(s): Acetylacetone, acac Formula: C5H8O2 Formula weight: 100.12 Purity: 99% CAS Number: 123-54-6 UN Number: UN2310 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.19 Hazard Statements: H226-H302 Flammable liquid and vapour. Harmful if swallowed. …

  • 3-Pyridineacetamide, 99%

    Alfa Aesar

    Synonym(s): 2-(3-Pyridyl)acetamide Formula: C7H8N2O Formula weight: 136.15 Purity: 99% CAS Number: 3724-16-1 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Polyethylene glycol 400

    Alfa Aesar

    Synonym(s): PEG 400 Formula: H(OCH2CH2) nOH CAS Number: 25322-68-3 Harmonized Tariff Code:  3907.20

  • 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…

  • Potassium chloride, ACS, 99.0-100.5%

    Alfa Aesar

    Formula: KCl Formula weight: 74.55 Purity: 99.0-100.5% CAS Number: 7447-40-7 Harmonized Tariff Code:  2827.39

  • 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 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…

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

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Polyvinylpyrrolidone, M.W. 40,000

    Alfa Aesar

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

  • 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 phosphate, 0.5M buffer soln., pH 7.2

    Alfa Aesar

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

  • Phosphoric acid, 85% aq. soln.

    Alfa Aesar

    Synonym(s): Orthophosphoric acid Formula: H3O4P Formula weight: 98.00 Purity: 85% aq. soln. CAS Number: 7664-38-2 UN Number: UN1805 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2809.20 Hazard Statements: H314 Causes severe skin burns and eye damage. …

  • Polysorbate 80

    Alfa Aesar

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

  • Phenylmagnesium bromide, 3M in 2-MeTHF

    Alfa Aesar

    Formula: C6H5BrMg Formula weight: 181.31 CAS Number: 100-58-3 UN Number: UN2924 Hazard Class: 3 Packing Group: II

  • Potassium hydroxide, pellets, 85%

    Alfa Aesar

    Formula: KOH Formula weight: 56.11 Purity: 85% CAS Number: 1310-58-3 UN Number: UN1813 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2815.20 Hazard Statements: H314-H302 Causes severe skin burns and eye damage. Harmful if swallowed. Precautionary Statements:…

  • 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…

  • Paclitaxel, 99.5+%

    Alfa Aesar

    Formula: C47H51NO14 Formula weight: 853.91 Purity: 99.5+% CAS Number: 33069-62-4 Harmonized Tariff Code:  2932.99 Hazard Statements: H301-H311-H334-H341-H361-H318-H332-H315-H317-H335 Toxic if swallowed. Toxic in contact with skin. May cause allergy or asthma symptoms or breathing…

  • 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. …

  • (S)-(-)-1-Phenylpropylamine, ChiPros 99+%, ee 99%

    Alfa Aesar

    Synonym(s): (S)-(-)-1-Amino-1-phenylpropane, (S)-(-)-alpha-Ethylbenzylamine Formula: C9H13N Formula weight: 135.21 CAS Number: 3789-59-1 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2921.49 Hazard Statements: H314-H318-H302-H227 Causes…

  • Polyethylene glycol 600

    Alfa Aesar

    Synonym(s): PEG 600 Formula: H(OCH2CH2) nOH CAS Number: 25322-68-3 Harmonized Tariff Code:  3907.20

  • Platinum, 1% on polyethyleneimine/SiO{2} powder

    Alfa Aesar

    CAS Number: 7440-06-4 Harmonized Tariff Code:  3815.12 Hazard Statements: H332-H335 Harmful if inhaled. May cause respiratory irritation. Precautionary Statements: P261-P304+P340-P312-P405-P403+P233-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. IF INHALED: Remove to fresh air…

  • Potassium phosphate, 0.5M buffer soln., pH 7.0

    Alfa Aesar

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

  • Paraformaldehyde, 16% w/v aq. soln., methanol free

    Alfa Aesar

    CAS Number: 30525-89-4 MDL: MFCD00133991 Formula: (CH2O)n Form: Liquid, Ampouled under argon GHS Hazard and Precautionary Statements Hazard Statements: H351-H315-H319-H317-H303 Suspected of causing cancer. Causes skin irritation. Causes…

  • Potassium bromide, Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Formula: BrK Formula weight: 119.01 Purity: 99.999% (metals basis) CAS Number: 7758-02-3 Harmonized Tariff Code:  2827.51 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with eyes, rinse immediately with plenty…

  • Pyruvic acid, 98%

    Alfa Aesar

    Synonym(s): 2-Oxopropionic acid Formula: C3H4O3 Formula weight: 88.06 Purity: 98% CAS Number: 127-17-3 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2918.30 Hazard Statements: H314-H318-H227 Causes severe skin burns and eye damage. Causes…

  • Phenolphthalein, 98%

    Alfa Aesar

    Formula: C20H14O4 Formula weight: 318.33 Purity: 98% 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: …

  • Phenol:Chloroform:Isoamyl alcohol 25:24:1, Ready-to-Use saturated aq. soln., pH…

    Alfa Aesar

    CAS Number: 136112-00-0 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H331-H314-H341-H351-H373-H302-H312 Toxic if inhaled. Causes severe skin burns and eye damage. Suspected of causing genetic defects. Suspected of causing…

  • Phenylhydrazine, 97%

    Alfa Aesar

    Formula: C6H8N2 Formula weight: 108.14 Purity: 97% CAS Number: 100-63-0 UN Number: UN2572 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2928.00 Hazard Statements: H301-H311-H331-H350-H372-H341-H227-H315-H319-H317 Toxic if swallowed. Toxic in contact with…

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