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  • Hydrazine monohydrate, 98+%

    Alfa Aesar

    Formula: H4N2 H2O Formula weight: 50.06 (32.05anhy) Purity: 98+% CAS Number: 7803-57-8 UN Number: UN2030 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2825.10 Hazard Statements: H301-H310-H330-H350-H314-H318-H227-H317 Toxic if swallowed. Fatal in contact with…

  • Hydrochloric acid, ACS, HCl 36.5-38.0%

    Alfa Aesar

    Synonym(s): Muriatic acid Formula: HCl Formula weight: 36.46 CAS Number: 7647-01-0 UN Number: UN1789 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2806.10 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. …

  • Hydrogen peroxide, 27% w/w aq. soln., stab.

    Alfa Aesar

    Formula: H2O2 Formula weight: 34.02 CAS Number: 7722-84-1 UN Number: UN2014 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2847.00 Hazard Statements: H272-H318-H302 May intensify fire; oxidizer. Causes serious eye damage. Harmful if swallowed. Precautionary…

  • n-Hexadecane, 99.5+%

    Alfa Aesar

    Formula: CH3(CH2)14CH3 Formula weight: 226.45 Purity: 99.5+% CAS Number: 544-76-3 Harmonized Tariff Code:  2901.10 Hazard Stateme

  • n-Heptane, 99%

    Alfa Aesar

    Formula: CH3(CH2)5CH3 Formula weight: 100.21 Purity: 99% CAS Number: 142-82-5 UN Number: UN1206 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H315-H336 Highly flammable liquid and vapour. May be fatal if swallowed and…

  • 3-Hexyn-2-one, 97%

    Alfa Aesar

    Formula: C6H8O Formula weight: 96.13 Purity: 97% CAS Number: 1679-36-3 UN Number: UN1992 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.19 Hazard Statements: H331-H318-H226-H302-H315-H335 Toxic if inhaled. Causes serious eye damage. Flammable liquid and…

  • 1-Hexanol, 99%

    Alfa Aesar

    Synonym(s): n-Hexyl alcohol Formula: C6H14O Formula weight: 102.18 Purity: 99% CAS Number: 111-27-3 UN Number: UN2282 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.19 Hazard Statements: H226-H302 Flammable liquid and vapour. Harmful if swallowed. …

  • Hesperidin, 95%

    Alfa Aesar

    Synonym(s): Hesperetin 7-rhamnoglucoside, Hesperitin-7-rutinoside Formula: C28H34O15 Formula weight: 610.56 Purity: 95% CAS Number: 520-26-3 Harmonized Tariff Code:  2938.90

  • Hexacarbonylmolybdenum, 98%

    Alfa Aesar

    Synonym(s): Molybdenum hexacarbonyl, Molybdenum carbonyl Formula: C6MoO6 Formula weight: 264.00 Purity: 98% CAS Number: 13939-06-5 UN Number: UN3466 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H300-H330 Fatal if swallowed.…

  • Hydrazine sulfate, 99+%

    Alfa Aesar

    Formula: H2NNH2 H2SO4 Formula weight: 130.12 Purity: 99+% CAS Number: 10034-93-2 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2825.10 Hazard Statements: H311-H331-H350-H302-H317 Toxic in contact with skin. Toxic if inhaled. May cause…

  • Hydrochloric acid, Acculute Standard Volumetric Solution, Final Concentration 0…

    Alfa Aesar

    Formula: HCl Formula weight: 36.46 UN Number: UN1789 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2806.10 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements: …

  • n-Heptane, anhydrous, 99+%, packaged under Argon in resealable ChemSeal^t…

    Alfa Aesar

    Formula: C7H16 Formula weight: 100.21 Purity: 99+%, packaged under Argon in resealable ChemSeal^t bottles CAS Number: 142-82-5 UN Number: UN1206 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H315-H336 Highly flammable…

  • HEPES lysis buffer with NP-40

    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…

  • 1,2,6-Hexanetriol, 96%

    Alfa Aesar

    Synonym(s): 1,2,6-Trihydroxyhexane Formula: C6H14O3 Formula weight: 134.18 Purity: 96% CAS Number: 106-69-4 Harmonized Tariff Code:  2905.49

  • Hexamethylenetetramine, ACS, 99+%

    Alfa Aesar

    Synonym(s): Hexamine, Methenamine Formula: C6H12N4 Formula weight: 140.19 Purity: 99+% CAS Number: 100-97-0 UN Number: UN1328 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H228-H317 Flammable solid. May cause an allergic skin…

  • Hydroxylamine sulfate, 99%

    Alfa Aesar

    Formula: H3NO 0.5H2SO4 Formula weight: 164.14 Purity: 99% CAS Number: 10039-54-0 UN Number: UN2865 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2825.10 Hazard Statements: H351-H373-H290-H302-H312-H317-H315-H319 Suspected of causing cancer. May cause damage…

  • 2-Hexanone, 98%

    Alfa Aesar

    Synonym(s): n-Butyl methyl ketone, MBK Formula: C6H12O Formula weight: 100.16 Purity: 98% CAS Number: 591-78-6 UN Number: UN1224 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.19 Hazard Statements: H372-H361-H226-H336 Causes damage to organs through…

  • Hydrazine sulfate, ACS, 99.0% min

    Alfa Aesar

    Formula: H2NNH2 H2SO4 Formula weight: 130.12 Purity: 99.0% min CAS Number: 10034-93-2 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2825.10 Hazard Statements: H311-H331-H350-H302-H317 Toxic in contact with skin. Toxic if inhaled. May cause…

  • Hypoxanthine, 99%

    Alfa Aesar

    Synonym(s): 6-Hydroxypurine Formula: C5H4N4O Formula weight: 136.11 Purity: 99% CAS Number: 68-94-0 Harmonized Tariff Code:  2933.59

  • Hexamethylenetetramine, 99+%

    Alfa Aesar

    Synonym(s): Hexamine, Methenamine Formula: C6H12N4 Formula weight: 140.19 Purity: 99+% CAS Number: 100-97-0 UN Number: UN1328 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H228-H317 Flammable solid. May cause an allergic skin…

  • Hexavalent Chromium, standard solution, Specpure r, Cr +6 1000µg/ml

    Alfa Aesar

    Formula: (NH4)2Cr2O7 in H2O Harmonized Tariff Code:  3822.00 Hazard Statements: H334-H340-H350-H332-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. Harmful if inhaled. May cause an allergic skin reaction. …

  • Hydroquinone, 99%

    Alfa Aesar

    Synonym(s): 1,4-Dihydroxybenzene, Quinol Formula: C6H6O2 Formula weight: 110.11 Purity: 99% CAS Number: 123-31-9 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2907.22 Hazard Statements: H318-H341-H351-H302-H317 Causes serious eye damage.…

  • Hydrocortisone, 98%

    Alfa Aesar

    Formula: C21H30O5 Formula weight: 362.47 Purity: 98% CAS Number: 50-23-7 Harmonized Tariff Code:  2937.21 Hazard Statements: H361 Suspected of damaging fertility or the unborn child. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment…

  • Hydroxylamine hydrochloride, ACS, 96+%

    Alfa Aesar

    Synonym(s): Hydroxylammonium chloride Formula: H3NO HCl Formula weight: 69.49 Purity: 96+% CAS Number: 5470-11-1 UN Number: UN2923 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2825.10 Hazard Statements: H351-H373-H290-H302-H312-H317-H315-H319 Suspected of…

  • Hydrofluoric acid, 99.99% (metals basis) 40% min

    Alfa Aesar

    Formula: HF Formula weight: 20.01 Purity: 99.99% (metals basis) 40% min CAS Number: 7664-39-3 UN Number: UN1790 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2811.11 Hazard Statements: H300-H310-H330-H314 Fatal if swallowed. Fatal in contact with skin. Fatal…

  • 1-Hexylamine, 99%

    Alfa Aesar

    Synonym(s): 1-Aminohexane Formula: C6H15N Formula weight: 101.19 Purity: 99% CAS Number: 111-26-2 UN Number: UN2734 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2921.19 Hazard Statements: H314-H318-H226-H302-H312-H332 Causes severe skin burns and eye…

  • 5-Hydroxyindole-3-acetic acid, 98%

    Alfa Aesar

    Synonym(s): 5-HIAA Formula: C10H9NO3 Formula weight: 191.19 Purity: 98% CAS Number: 54-16-0 Harmonized Tariff Code:  2933.99

  • 3-Hydroxypropionitrile, 98%

    Alfa Aesar

    Synonym(s): 2-Cyanoethanol, Ethylene cyanohydrin Formula: HO(CH2)2CN Formula weight: 71.08 Purity: 98% CAS Number: 109-78-4 Harmonized Tariff Code:  2926.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…

  • Hexamethyldisilazane, 98+%

    Alfa Aesar

    Synonym(s): Bis(trimethylsilyl)amine, HMDS Formula: C6H19NSi2 Formula weight: 161.40 Purity: 98+% CAS Number: 999-97-3 UN Number: UN3286 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H225-H311-H331-H314-H318-H302 Highly flammable…

  • 2,5-Hexanediol, mixture of isomers, 98%

    Alfa Aesar

    Formula: C6H14O2 Formula weight: 118.18 Purity: 98% CAS Number: 2935-44-6 Harmonized Tariff Code:  2905.39 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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