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  • Aluminum ammonium sulfate dodecahydrate, Reagent Grade

    Alfa Aesar

    Synonym(s): Ammonium alum Formula: H4AlNO8S2 12H2O Formula weight: 453.33 (237.14anhy) CAS Number: 7784-26-1 Harmonized Tariff Code:  3102.21 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Ammonium oxalate monohydrate, 98%

    Alfa Aesar

    Synonym(s): Oxalic acid ammonium salt monohydrate Formula: C2H8N2O4 H2O Formula weight: 142.11 (124.10anhy) Purity: 98% CAS Number: 6009-70-7 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H302-H312 Harmful if…

  • Acarbose, 95%

    Alfa Aesar

    Synonym(s): Bay-g 5421 Formula: C25H43NO18 Formula weight: 645.61 Purity: 95% CAS Number: 56180-94-0 Harmonized Tariff Code:  2932.99

  • Ammonium fluoride, ACS, 98.0% min

    Alfa Aesar

    Formula: NH4F Formula weight: 37.04 Purity: 98.0% min CAS Number: 12125-01-8 UN Number: UN2505 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H311-H331 Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. …

  • Arsenic(III) iodide, 99.999% (metals basis)

    Alfa Aesar

    Formula: AsI3 Formula weight: 455.64 Purity: 99.999% (metals basis) CAS Number: 7784-45-4 UN Number: UN1557 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2812.90 Hazard Statements: H301-H331 Toxic if swallowed. Toxic if inhaled. Precautionary Statements: …

  • Aluminum oxide, for Bio-Mass Cleanup

    Alfa Aesar

    Formula: Al2O3 Formula weight: 101.96 CAS Number: 1344-28-1 Harmonized Tariff Code:  2818.20

  • Azomethine-H monosodium salt hydrate

    Alfa Aesar

    Synonym(s): 4-Hydroxy-5-(salicylideneamino)-2,7-naphthalenedisulfonic acid monosodium salt Formula: C17H12NNaO8S2 xH2O Formula weight: 445.41(anhy) CAS Number: 206752-32-1 Harmonized Tariff Code:  2921.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • Antimony potassium tartrate hydrate, 98%

    Alfa Aesar

    Synonym(s): Potassium antimonyl tartrate hydrate, Tartar emetic Formula: C8H4K2O12Sb2 xH2O Formula weight: 613.82(anhy) Purity: 98% CAS Number: 331753-56-1 UN Number: UN1551 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2918.13 Hazard Statements: …

  • Ammonium molybdate (para) tetrahydrate, ACS, 81-83% as MoO{3}

    Alfa Aesar

    Synonym(s): Ammonium paramolybdate Formula: H24Mo7N6O24 4H2O Formula weight: 1235.86 (1163.79anhy) Purity: 81-83% as MoO{3} CAS Number: 12054-85-2 Harmonized Tariff Code:  2841.70 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • N,N'-Bis(acryloyl)cystamine, 98%

    Alfa Aesar

    Synonym(s): BAC Formula: C10H16N2O2S2 Formula weight: 260.37 Purity: 98% CAS Number: 60984-57-8 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements:…

  • Amidosulfonic acid, ACS, 99.3-100.3% (Assay dried basis)

    Alfa Aesar

    Synonym(s): Sulfamic acid Formula: H2NSO3H Formula weight: 97.09 Purity: 99.3-100.3% (Assay dried basis) CAS Number: 5329-14-6 UN Number: UN2967 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2811.19 Hazard Statements: H315-H319 Causes skin irritation.…

  • Adamantane, 98%

    Alfa Aesar

    Formula: C10H16 Formula weight: 136.24 Purity: 98% CAS Number: 281-23-2 Harmonized Tariff Code:  2902.19

  • Ammonium oxalate monohydrate, ACS, 99.0-101.0%

    Alfa Aesar

    Formula: C10H9NO2 Formula weight: 175.19 Purity: 97% UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2932.99 Risk Phrases: 20/21/22-36/37/38 Harmful by inhalation, in contact with skin and if swallowed. Irritating to eyes, respiratory system…

  • Ammonium fluoride, 96%

    Alfa Aesar

    Formula: FH4N Formula weight: 37.04 Purity: 96% CAS Number: 12125-01-8 UN Number: UN2505 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H311-H331 Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled. …

  • Ammonium molybdate (para) tetrahydrate, 99%

    Alfa Aesar

    Synonym(s): Ammonium heptamolybdate tetrahydrate, Ammonium paramolybdate tetrahydrate Formula: (NH4)6Mo7O24 4H2O Formula weight: 1235.86 (1163.79anhy) Purity: 99% CAS Number: 12054-85-2 Harmonized Tariff Code:  2841.70 Hazard Statements: H315-H319-H335 Causes skin irritation.…

  • Ammonium thiocyanate, 98+%

    Alfa Aesar

    Synonym(s): Ammonium rhodanide Formula: CH4N2S Formula weight: 76.12 Purity: 98+% CAS Number: 1762-95-4 Harmonized Tariff Code:  2842.90 Hazard Statements: H311-H302-H332 Toxic in contact with skin. Harmful if swallowed. Harmful if inhaled. Precautionary Statements: …

  • Aluminum oxide, single crystal

    Alfa Aesar

    Formula: Al2O3 CAS Number: 1344-28-1 Harmonized Tariff Code:  2818.20

  • Antimony(III) chloride, 99+%

    Alfa Aesar

    Synonym(s): Antimony trichloride Formula: SbCl3 Formula weight: 228.11 Purity: 99+% CAS Number: 10025-91-9 UN Number: UN1733 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2827.39 Hazard Statements: H314 Causes severe skin burns and eye damage. …

  • Ammonium perrhenate(VII), Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Formula: NH4ReO4 Formula weight: 268.24 Purity: 99.999% (metals basis) CAS Number: 13598-65-7 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2841.90 Hazard Statements: H272 May intensify fire; oxidizer. Precautionary Statements: …

  • Acetic anhydride, 99+%

    Alfa Aesar

    Formula: (CH3CO)2O Formula weight: 102.09 Purity: 99+% CAS Number: 108-24-7 UN Number: UN1715 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2915.24 Hazard Statements: H314-H226-H302-H332 Causes severe skin burns and eye damage. Flammable liquid and vapour.…

  • Acetyl chloride, 99+%

    Alfa Aesar

    Synonym(s): Ethanoyl chloride, Acetic chloride Formula: C2H3ClO Formula weight: 78.50 Purity: 99+% CAS Number: 75-36-5 UN Number: UN1717 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H225-H314 Highly flammable liquid and vapour.…

  • Ala-Ala-Pro-Val chloromethyl ketone

    Alfa Aesar

    Synonym(s): Ala-Ala-Pro-Val-CMK Formula: C17H29ClN4O4 Formula weight: 388.89 CAS Number: 90105-47-8 Harmonized Tariff Code:  2933.99

  • Acetyl chloride, 98%

    Alfa Aesar

    Formula: C2H3ClO Formula weight: 78.50 Purity: 98% CAS Number: 75-36-5 UN Number: UN1717 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H225-H314-H318-H302 Highly flammable liquid and vapour. Causes severe skin burns and eye damage.…

  • Ammonium chloride, 98+%

    Alfa Aesar

    Formula: H4ClN Formula weight: 53.49 Purity: 98+% CAS Number: 12125-02-9 Harmonized Tariff Code:  2827.10 Hazard Statements: H302-H319 Harmful if swallowed. Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P301+P312-P337+P313-P501a Wear…

  • 2-Aminonaphthalene-1-sulfonic acid, 98%

    Alfa Aesar

    Synonym(s): Tobias acid, 2-Naphthylamine-1-sulfonic acid Formula: C10H9NO3S Formula weight: 223.25 Purity: 98% CAS Number: 81-16-3 Harmonized Tariff Code:  2921.45 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: …

  • Aluminum, plasma standard solution, Specpure r, Al 1000µg/ml

    Alfa Aesar

    Formula: Al(NO3)3 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…

  • Aluminum, plasma standard solution, Specpure r, Al 10,000µg/ml

    Alfa Aesar

    Formula: Al(NO3)3 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…

  • Acetic anhydride, ACS, 97+%

    Alfa Aesar

    Formula: C12H27N3Sn Formula weight: 332.06 Purity: 98% CAS Number: 17846-68-3 UN Number: UN2788 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H301-H372-H312-H315-H319 Toxic if swallowed. Causes damage to organs through prolonged…

  • Acetanilide, 98%

    Alfa Aesar

    Synonym(s): N-Acetylaniline, N-Phenylacetamide Formula: C8H9NO Formula weight: 135.17 Purity: 98% CAS Number: 103-84-4 Harmonized Tariff Code:  2924.29 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause…

  • Aluminum chloride, anhydrous, powder, 99%

    Alfa Aesar

    Synonym(s): Aluminium trichloride Formula: AlCl3 Formula weight: 133.34 Purity: 99% CAS Number: 7446-70-0 UN Number: UN1726 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2827.32 Hazard Statements: H314 Causes severe skin burns and eye damage. …

  • (^+)-1-Amino-2-propanol, 94%, remainder 2-amino-1-propanol

    Alfa Aesar

    Synonym(s): (^+)-Isopropanolamine Formula: C3H9NO Formula weight: 75.11 Purity: 94%, remainder 2-amino-1-propanol CAS Number: 78-96-6 UN Number: UN2735 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2922.19 Hazard Statements: H314-H227 Causes severe skin…

  • Allyl glycidyl ether, 97%

    Alfa Aesar

    Synonym(s): Allyl 2,3-epoxypropyl ether, 1-Allyloxy-2,3-epoxypropane Formula: C6H10O2 Formula weight: 114.15 Purity: 97% CAS Number: 106-92-3 UN Number: UN2219 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2910.90 Hazard Statements: …

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