Reagents, P

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  • 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, 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…

  • Polyvinyl alcohol, 98-99% hydrolyzed, low molecular weight

    Alfa Aesar

    Formula: [-CH2CH(OH)-] n Purity: 98-99% hydrolyzed, low molecular weight CAS Number: 9002-89-5 Harmonized Tariff Code:  3905.30

  • Petroleum ether 40/60

    Alfa Aesar

    CAS Number: 8032-32-4 UN Number: UN1268 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H340-H350-H304 Highly flammable liquid and vapour. May cause genetic defects. May cause cancer. May be fatal if swallowed and enters airways. …

  • 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…

  • 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: …

  • Palladium, 1%, Copper, 0.3% on alumina granules, reduced

    Alfa Aesar

    Harmonized Tariff Code:  3815.12

  • 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…

  • 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 …

  • 1-Pentanol, 98+%

    Alfa Aesar

    Synonym(s): n-Amyl alcohol, n-Pentyl alcohol Formula: C5H12O Formula weight: 88.15 Purity: 98+% CAS Number: 71-41-0 UN Number: UN1105 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.19 Hazard Statements: H226-H332-H315-H335 Flammable liquid and vapour.…

  • 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. …

  • 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 bromide, ACS, 99% min

    Alfa Aesar

    Formula: KBr Formula weight: 119.01 Purity: 99% min CAS Number: 7758-02-3 Harmonized Tariff Code:  2827.51

  • Palmitic acid hydrazide, 99%

    Alfa Aesar

    Synonym(s): Hexadecanoic acid hydrazide Formula: CH3(CH2)14CONHN2 Formula weight: 270.46 Purity: 99% CAS Number: 2619-88-7 Harmonized Tariff Code:  2928.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Potassium bis(oxalato)oxotitanate(IV) dihydrate

    Alfa Aesar

    Synonym(s): Titanium potassium oxalate Formula: K2[TiO(C2O4)2] 2H2O Formula weight: 354.10 (318.10anhy) CAS Number: 14402-67-6 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H302-H312 Harmful if swallowed. Harmful…

  • Potassium iodide, 99%

    Alfa Aesar

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

  • 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. …

  • 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

  • Polyvinylpyrrolidone, M.W. 360,000

    Alfa Aesar

    Synonym(s): PVP K90, Povidone Formula: (C6H9NO) n CAS Number: 9003-39-8 Harmonized Tariff Code:  3905.99

  • 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…

  • 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. …

  • Palmitic acid, 95%

    Alfa Aesar

    Synonym(s): Hexadecanoic acid Formula: C16H32O2 Formula weight: 256.43 Purity: 95% CAS Number: 57-10-3 Harmonized Tariff Code:  2915.70 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Paraformaldehyde, 4% in PBS + Mg + EGTA

    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…

  • 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…

  • (-)-^a-Pinene, 98%, cont. variable amounts of enantiomer

    Alfa Aesar

    Formula: C10H16 Formula weight: 136.24 Purity: 98%, cont. variable amounts of enantiomer CAS Number: 7785-26-4 UN Number: UN2368 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.19 Hazard Statements: H304-H226-H302-H312-H332-H315-H319-H317 May be fatal if…

  • 5-Phenylcyclohexane-1,3-dione, 97%

    Alfa Aesar

    Formula: C12H12O2 Formula weight: 188.23 Purity: 97% CAS Number: 493-72-1 Harmonized Tariff Code:  2914.39

  • Platinum wire, 0.0508mm (0.002in) dia, stress relieved, 99.99%(metals basis)

    Alfa Aesar

    Purity: 99.99%(metals basis) CAS Number: 7440-06-4 Harmonized Tariff Code:  7110.19

  • Potassium hydrogen phosphate trihydrate, Reagent Grade

    Alfa Aesar

    Formula: K2HPO4 3H2O Formula weight: 228.23 (174.18anhy) CAS Number: 16788-57-1 Harmonized Tariff Code:  2835.24

  • Potassium bromide, FTIR Grade

    Alfa Aesar

    Formula: KBr Formula weight: 119.01 CAS Number: 7758-02-3 Harmonized Tariff Code:  2827.51

  • 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…

  • (S)-(-)-2-Pyrrolidinone-5-carboxylic acid, 98+%

    Alfa Aesar

    Synonym(s): L-Pyroglutamic acid, H-Pyr-OH Formula: C5H7NO3 Formula weight: 129.12 Purity: 98+% CAS Number: 98-79-3 Harmonized Tariff Code:  2933.79 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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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