Alfa Aesar

Reagents, P, Alfa Aesar

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  • 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

  • Petroleum ether 35/60, ACS

    Alfa Aesar

    Synonym(s): Ligroin CAS Number: 8032-32-4 UN Number: UN1268 Hazard Class: 3 Packing Group: I Harmonized Tariff Code:  2710.12 Hazard Statements: H224-H340-H350-H304 Extremely flammable liquid and vapour. May cause genetic defects. May cause cancer. May be fatal if swallowed and…

  • 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 carbonate, anhydrous, 99%

    Alfa Aesar

    Formula: CK2O3 Formula weight: 138.21 Purity: 99% CAS Number: 584-08-7 Harmonized Tariff Code:  2836.40 Hazard Statements: H302-H319 Harmful if swallowed. Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P301+P312-P337+P313-P501a Wear protective…

  • Potassium hydrogen sulfate, 97%

    Alfa Aesar

    Synonym(s): Potassium bisulfate Formula: HKO4S Formula weight: 136.17 Purity: 97% CAS Number: 7646-93-7 UN Number: UN2509 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2833.29 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause…

  • 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:…

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

    Alfa Aesar

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

  • 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…

  • Polymixin B sulfate, Cell Culture Reagent

    Alfa Aesar

    Formula: C55H96N16O13 2H2SO4 Formula weight: 1385.63 CAS Number: 1405-20-5 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 when using…

  • Potassium hydrogen phosphate, ACS, 98.0% min

    Alfa Aesar

    Synonym(s): Potassium phosphate, dibasic, Dipotassium phosphate Formula: HK2O4P Formula weight: 174.18 Purity: 98.0% min CAS Number: 7758-11-4 Harmonized Tariff Code:  2835.24 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: …

  • Potassium silicate, anhydrous

    Alfa Aesar

    Formula: SiO2 K2O 2.5 1 wt CAS Number: 1312-76-1 Harmonized Tariff Code:  2839.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye i

  • Potassium bromide, 99+%

    Alfa Aesar

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

  • Phenol, Ready-to-Use, buffer saturated solution pH 6.6

    Alfa Aesar

    Formula: C6H6O Formula weight: 94.11 CAS Number: 108-95-2 UN Number: UN2821 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  3822.00 Risk Phrases: 23/24/25-34-48/20/21/22-68 Toxic by inhalation, in contact with skin and if swallowed. Causes burns. Harmful: danger…

  • 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…

  • Pyridine hydrochloride, 98%

    Alfa Aesar

    Synonym(s): Pyridinium chloride Formula: C5H5N HCl Formula weight: 115.56 Purity: 98% CAS Number: 628-13-7 Harmonized Tariff Code:  2933.31 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Pentamethylcyclopentadienyliron dicarbonyl dimer

    Alfa Aesar

    Synonym(s): Dicarbonyl(pentamethylcyclopentadienyl)iron dimer Formula: C24H30Fe2O4 Formula weight: 493.96 CAS Number: 35344-11-7 UN Number: UN3466 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H331-H302-H312 Toxic if inhaled.…

  • 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…

  • Pectin Citrus

    Alfa Aesar

    Synonym(s): Poly-D-galacturonic acid methyl ester CAS Number: 9000-69-5 Harmonized Tariff Code:  1302.20

  • Potassium nitrate, ACS, 99.0% min

    Alfa Aesar

    Formula: KNO3 Formula weight: 101.11 Purity: 99.0% min 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: …

  • Pararosaniline hydrochloride, 90+%

    Alfa Aesar

    Synonym(s): Basic Red 9 monohydrochloride, C.I. 42500 Formula: C19H17N3 HCl Formula weight: 323.83 Purity: 90+% CAS Number: 569-61-9 Harmonized Tariff Code:  3204.13 Hazard Statements: H350 May cause cancer. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use…

  • Potassium acetate, ACS, 99% min

    Alfa Aesar

    Formula: C2H3KO2 Formula weight: 98.15 Purity: 99% min CAS Number: 127-08-2 Harmonized Tariff Code:  2915.29

  • 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…

  • 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. …

  • 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

  • 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…

  • Polyvinylpyrrolidone, M.W. 40,000

    Alfa Aesar

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

  • Potassium iodide, ACS, 99.0% min

    Alfa Aesar

    Formula: KI Formula weight: 166.01 Purity: 99.0% min CAS Number: 7681-11-0 Harmonized Tariff Code:  2827.60

  • PCR Mycoplasma detection kit

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Pectinase, Aspergillus niger

    Alfa Aesar

    Synonym(s): EC 4.2.2.10 CAS Number: 9032-75-1 Harmonized Tariff Code:  3507.90

  • 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…

  • 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

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

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

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