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  • Polyethylene glycol 6,000

    Alfa Aesar

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

  • 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…

  • Phosphorus(V) oxide, ACS, 98% min

    Alfa Aesar

    Synonym(s): Phosphoric anhydride, Phosphoric oxide Formula: P2O5 Formula weight: 141.94 Purity: 98% min CAS Number: 1314-56-3 UN Number: UN1807 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2809.10 Hazard Statements: H314-H318 Causes severe skin burns and…

  • Potassium dihydrogen phosphate, 98+%

    Alfa Aesar

    Synonym(s): Potassium phosphate, monobasic Formula: H2KO4P Formula weight: 136.09 Purity: 98+% CAS Number: 7778-77-0 Harmonized Tariff Code:  2835.24 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • Polyethyleneimine, branched, M.W. 50,000 - 100,000, 30% w/w aq. soln.

    Alfa Aesar

    Formula: (-NHCH2CH2-)x(-N(CH2CH2NH2)CH2CH2-)y CAS Number: 9002-98-6 Harmonized Tariff Code:  3909.30 Risk Phrases: 22 Harmful if swallowed. Safety

  • Potassium peroxydisulfate, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Potassium persulfate Formula: K2S2O8 Formula weight: 270.31 Purity: 99.0% min CAS Number: 7727-21-1 UN Number: UN1492 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2833.40 Hazard Statements: H334-H272-H302-H335-H315-H319-H317 May cause…

  • 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…

  • Potassium hexanitroiridate(III), Ir 32.3% min

    Alfa Aesar

    Formula: K3Ir(NO2)6 Formula weight: 585.54 CAS Number: 38930-18-6 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 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: …

  • 2-Phenoxyphenylacetonitrile, 98%

    Alfa Aesar

    Synonym(s): 2-Phenoxybenzyl cyanide Formula: C14H11NO Formula weight: 209.25 Purity: 98% CAS Number: 25562-98-5 Harmonized Tariff Code:  2926.90 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P280f Wear protective clothing. Risk Phrases: 22 …

  • Platinum(II) chloride, 98%

    Alfa Aesar

    Formula: Cl2Pt Formula weight: 266.00 Purity: 98% CAS Number: 10025-65-7 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H334-H314-H318-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled.…

  • 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 periodate, ACS, 99.8%-100.3%

    Alfa Aesar

    Synonym(s): Potassium metaperiodate Formula: KIO4 Formula weight: 230.00 Purity: 99.8%-100.3% CAS Number: 7790-21-8 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H272-H315-H319-H335 May intensify fire;…

  • 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…

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

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Potassium hydroxide, ACS, 85% min, K{2}CO{3} 2.0% max

    Alfa Aesar

    Formula: KOH Formula weight: 56.11 Purity: 85% min, K{2}CO{3} 2.0% max 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. …

  • 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 permanganate, 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:…

  • Phosphorus(V) oxide, 98%

    Alfa Aesar

    Synonym(s): Phosphorus pentoxide Formula: P2O5 Formula weight: 141.94 Purity: 98% CAS Number: 1314-56-3 UN Number: UN1807 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2809.10 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary…

  • Polyethylene oxide, M.W. 300,000

    Alfa Aesar

    Formula: (-CH2CH2O-) n CAS Number: 25322-68-3 Harmonized Tariff Code:  3907.20

  • Puromycin dihydrochloride, 99%

    Alfa Aesar

    Formula: C22H29N7O5 2HCl Formula weight: 544.44 Purity: 99% CAS Number: 58-58-2 Harmonized Tariff Code:  2941.90 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke…

  • Potassium chloride, 3M aq. soln.

    Alfa Aesar

    Formula: KCl Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code:  2827.39

  • Phosphatase Inhibitor Cocktail II

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel…

  • Phosphorus, AAS standard solution, Specpure r, P 1000µg/ml

    Alfa Aesar

    Formula: P in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not breathe…

  • Polyvinylpyrrolidone, M.W. 1,300,000

    Alfa Aesar

    Formula: (C6H9NO) n CAS Number: 9003-39-8 Harmonized Tariff Code:  3905.99

  • Platinum(IV) chloride, 99.9% (metals basis), Pt 57% min

    Alfa Aesar

    Formula: PtCl4 Formula weight: 336.90 Purity: 99.9% (metals basis), Pt 57% min CAS Number: 13454-96-1 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2843.90 Hazard Statements: H301-H334-H341-H314-H318-H317 Toxic if swallowed. May cause…

  • 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

  • Phosphorus(V) oxychloride, 99%

    Alfa Aesar

    Synonym(s): Phosphorus(V) trichloride oxide, Phosphoryl chloride Formula: Cl3OP Formula weight: 153.33 Purity: 99% CAS Number: 10025-87-3 UN Number: UN1810 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2812.10 Hazard Statements: H330-H372-H314-H302 Fatal…

  • Penicillin G sodium salt

    Alfa Aesar

    Synonym(s): Benzylpenicillin sodium salt Formula: C16H17N2NaO4S Formula weight: 356.37 CAS Number: 69-57-8 Harmonized Tariff Code:  2941.10 Hazard Statements: H334-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. …

  • Phosphate, 0.2M buffer soln., pH 7.2

    Alfa Aesar

    CAS Number: 7558-80-7 Harmonized Tariff Code:  2835.22

  • Potassium dihydrogen phosphate, Puratronic r, 99.999% (metals basis), Si 10ppm…

    Alfa Aesar

    Synonym(s): Potassium orthophosphate, Potassium phosphate, monobasic Formula: H2KO4P Formula weight: 136.09 Purity: 99.999% (metals basis), Si 10ppm max CAS Number: 7778-77-0 Harmonized Tariff Code:  2835.24 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye…

  • 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. …

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