Reagents, A

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  • Alloxan monohydrate, 98%

    Alfa Aesar

    Synonym(s): Mesoxalylurea monohydrate, 2,4,5,6(1H,3H)-Pyrimidinetetrone Formula: C4H2N2O4 H2O Formula weight: 160.09 (142.07anhy) Purity: 98% CAS Number: 2244-11-3 Harmonized Tariff Code:  2933.59

  • Aluminum foil, 0.025mm (0.001in) thick, 30x30cm (12x12in), 99.45% (metals basis)

    Alfa Aesar

    Purity: 99.45% (metals basis) CAS Number: 7429-90-5 Harmonized Tariff Code:  7607.11

  • Anthrone, 97%

    Alfa Aesar

    Synonym(s): 9(10H)-Anthracenone Formula: C14H10O Formula weight: 194.23 Purity: 97% CAS Number: 90-44-8 Harmonized Tariff Code:  2914.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Acetone, ACS, 99.5+%

    Alfa Aesar

    Formula: C3H6O Formula weight: 58.08 Purity: 99.5+% CAS Number: 67-64-1 UN Number: UN1090 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.11 Hazard Statements: H225-H319-H336 Highly flammable liquid and vapour. Causes serious eye irritation. May cause…

  • Acetone, HPLC Grade, 99.5+%

    Alfa Aesar

    Formula: C3H6O Formula weight: 58.08 Purity: 99.5+% CAS Number: 67-64-1 UN Number: UN1090 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2914.11 Hazard Statements: H225-H319-H336 Highly flammable liquid and vapour. Causes…

  • Aniline, 99+%

    Alfa Aesar

    Formula: C6H7N Formula weight: 93.13 Purity: 99+% CAS Number: 62-53-3 UN Number: UN1547 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.41 Hazard Statements: H301-H311-H331-H372-H341-H351-H318-H227-H317 Toxic if swallowed. Toxic in contact with skin.…

  • Anthrone, ACS

    Alfa Aesar

    Formula: C14H10O Formula weight: 194.23 CAS Number: 90-44-8 Harmonized Tariff Code:  2914.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Aluminon

    Alfa Aesar

    Synonym(s): Aurintricarboxylic acid triammonium salt Formula: C22H23N3O9 Formula weight: 473.44 CAS Number: 569-58-4 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …

  • Ammonium citrate tribasic, 97+%

    Alfa Aesar

    Synonym(s): Citric acid triammonium salt, Triammonium citrate Formula: C6H17N3O7 Formula weight: 243.22 Purity: 97+% CAS Number: 3458-72-8 Harmonized Tariff Code:  2918.15 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Agar powder

    Alfa Aesar

    Formula: (C12H18O9)X CAS Number: 9002-18-0 Harmonized Tariff Code:  1302.31

  • L-Arginine monohydrochloride, 98+%

    Alfa Aesar

    Synonym(s): L-2-Amino-5-guanidinopentanoic acid hydrochloride, H-Arg-OH.HCl Formula: C6H14N4O2 HCl Formula weight: 210.67 Purity: 98+% CAS Number: 1119-34-2 Harmonized Tariff Code:  2925.29

  • 2-Aminopyridine, 99%

    Alfa Aesar

    Synonym(s): 2-Pyridinamine, 2-Pyridylamine Formula: C5H6N2 Formula weight: 94.12 Purity: 99% CAS Number: 504-29-0 UN Number: UN2671 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H331-H312-H315-H319-H335 Toxic if swallowed.…

  • Aluminum powder, -325 mesh, 99.97% (metals basis)

    Alfa Aesar

    Purity: 99.97% (metals basis) CAS Number: 7429-90-5 UN Number: UN1396 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  7603.10 Hazard Statements: H250-H261 Catches fire spontaneously if exposed to air. In contact with water releases flammable gas. Precautionary…

  • Agarose gel loading dye (6X), glycerol based

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with…

  • Ammonium hydroxide, 0.1N Standardized Solution

    Alfa Aesar

    Formula: NH4OH Formula weight: 35.05 CAS Number: 1336-21-6 Harmonized Tariff Code:  2814.20

  • Acrylic acid, 99%, stab. with ca 200ppm 4-methoxyphenol

    Alfa Aesar

    Synonym(s): Propenoic acid Formula: C3H4O2 Formula weight: 72.06 Purity: 99%, stab. with ca 200ppm 4-methoxyphenol CAS Number: 79-10-7 UN Number: UN2218 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.11 Hazard Statements: H314-H226-H302-H312-H332 Causes…

  • 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. …

  • Amberlite r IR-120(H), ion exchange resin

    Alfa Aesar

    CAS Number: 78922-04-0 Harmonized Tariff Code:  3914.00 Hazard Statements: H318 Causes serious eye damage. Precautionary Statements: P280i-P305+P351+P338-P310 Wear eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and…

  • 4-Acetyldiphenyl sulfone, 98%

    Alfa Aesar

    Synonym(s): 4'-(Phenylsulfonyl)acetophenone Formula: C14H12O3S Formula weight: 260.31 Purity: 98% CAS Number: 65085-83-8 Harmonized Tariff Code:  2930.90

  • Acetone oxime, 98%

    Alfa Aesar

    Synonym(s): Acetoxime, 2-Propanone oxime Formula: C3H7NO Formula weight: 73.10 Purity: 98% CAS Number: 127-06-0 UN Number: UN1325 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2928.00 Hazard Statements: H228 Flammable solid. Precautionary Statements: …

  • Ammonium hydroxide, 28% NH3

    Alfa Aesar

    Synonym(s): Ammonium hydroxide Formula: H5NO Formula weight: 35.05 CAS Number: 1336-21-6 UN Number: UN2672 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2814.20 Hazard Statements: H314-H318-H302 Causes severe skin burns and eye damage. Causes serious eye…

  • 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.…

  • Alizarin Red S sodium salt

    Alfa Aesar

    Synonym(s): 3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt, C.I. 58005 Formula: C14H7O7SNa Formula weight: 342.27 CAS Number: 130-22-3 Harmonized Tariff Code:  2914.70

  • Aluminum 2,4-pentanedionate, 99.995+% (metals basis)

    Alfa Aesar

    Formula: C16H30SSn Formula weight: 373.16 Purity: 97% CAS Number: 54663-78-4 UN Number: UN2788 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H372-H312-H315-H319 Toxic if swallowed. Causes damage to organs through prolonged or…

  • Arsenic, Oil based standard solution, Specpure r, As 1000µg/g

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H301-H332 Toxic if swallowed. Harmful if inhaled. Precautionary Statements: P261-P301+P310-P304+P340-P312-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF…

  • 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.…

  • Acetate, 1M buffer soln., pH, 5.0

    Alfa Aesar

    CAS Number: 127-09-3 Harmonized Tariff Code:  2915.29

  • 4-Azaindole, 97%

    Alfa Aesar

    Synonym(s): Pyrrolo[3,2-b]pyridine Formula: C7H6N2 Formula weight: 118.14 Purity: 97% CAS Number: 272-49-1 Harmonized Tariff Code:  2933.99 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with eyes, rinse…

  • Aluminum nickel isopropoxide, 99.9% (m.b.), 10% w/v in isopropanol, packaged…

    Alfa Aesar

    Formula: Ni[Al(OCH(CH3)2)4]2 Formula weight: 584.92 Purity: 99.9% (m.b.), 10% w/v in isopropanol, packaged under Ar in resealable ChemSeal^t bottles CAS Number: 70504-57-3 UN Number: UN1219 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.19 Hazard Statements:…

  • Adipoyl chloride, 98%

    Alfa Aesar

    Synonym(s): 1,4-Butanedicarbonyl chloride, Hexanedioyl dichloride Formula: C6H8Cl2O2 Formula weight: 183.03 Purity: 98% CAS Number: 111-50-2 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H314-H318 Causes severe…

  • Amberlite r IR-120(Na) ion exchange resin

    Alfa Aesar

    CAS Number: 78922-04-0 Harmonized Tariff Code:  3914.00

  • Ammonium tetrafluoroborate, 97%

    Alfa Aesar

    Formula: NH4BF4 Formula weight: 104.84 Purity: 97% CAS Number: 13826-83-0 Harmonized Tariff Code:  2826.90 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements:…

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