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  • 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…

  • 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…

  • Hydrogen chloride, 4M in 1,4-dioxane, 99%

    Alfa Aesar

    Formula: ClH Formula weight: 36.46 Purity: 99% CAS Number: 7647-01-0 UN Number: UN2924 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2806.10 Hazard Statements: H225-H314-H318-H351 Highly flammable liquid and vapour. Causes severe skin burns and eye damage.…

  • 1-Hydroxycyclohexyl phenyl ketone, 98%

    Alfa Aesar

    Synonym(s): 1-Benzoylcyclohexanol Formula: C13H16O2 Formula weight: 204.27 Purity: 98% CAS Number: 947-19-3 Harmonized Tariff Code:  2914.40 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • 1,1,1,3,3,3-Hexafluoro-2-propanol, 99+%

    Alfa Aesar

    Synonym(s): 1,1,1,3,3,3-Hexafluoroisopropanol, HFIP Formula: C3H2F6O Formula weight: 168.04 Purity: 99+% CAS Number: 920-66-1 UN Number: UN1760 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2905.59 Hazard Statements: H314-H318-H302-H332 Causes severe skin…

  • 2-Hydroxybenzyl alcohol, 99%

    Alfa Aesar

    Synonym(s): Salicyl alcohol, Saligenin Formula: C7H8O2 Formula weight: 124.14 Purity: 99% CAS Number: 90-01-7 Harmonized Tariff Code:  2907.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Hemin (porcine), 98+%

    Alfa Aesar

    Synonym(s): Haemin, Ferriprotoporphyrin IX chloride Formula: C34H32ClFeN4O4 Formula weight: 651.95 Purity: 98+% CAS Number: 16009-13-5 Harmonized Tariff Code:  3002.10

  • 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…

  • Hyaluronic acid, bovine vitreous humor

    Alfa Aesar

    Formula: (C14H21NaNO11) n CAS Number: 9004-61-9 Harmonized Tariff Code:  3913.90

  • Hydroxypropyl methylcellulose

    Alfa Aesar

    Synonym(s): Methocel, HPMC CAS Number: 9004-65-3 Harmonized Tariff Code:  3912.39

  • 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…

  • n-Hexane, 99%

    Alfa Aesar

    Formula: CH3(CH2)4CH3 Formula weight: 86.18 Purity: 99% CAS Number: 110-54-3 UN Number: UN1208 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H361-H373-H315-H336 Highly flammable liquid and vapour. May be fatal if swallowed…

  • Hydrindantin dihydrate, 98%

    Alfa Aesar

    Synonym(s): 2,2',3,3,3',3'-Hexahydroxy-2,2'-biindan-1,1'-dione Formula: C18H10O6 2H2O Formula weight: 358.30 (322.27anhy) Purity: 98% CAS Number: 5950-69-6 Harmonized Tariff Code:  2914.40

  • n-Hexane, HPLC Grade, 95% min

    Alfa Aesar

    Formula: CH3(CH2)4CH3 Formula weight: 86.18 Purity: 95% min CAS Number: 110-54-3 UN Number: UN1208 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.10 Hazard Statements: H225-H304-H361-H373-H315-H336 Highly flammable liquid and vapour. May be fatal if…

  • 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…

  • 8-Hydroxyquinoline, 99%

    Alfa Aesar

    Synonym(s): 8-Quinolinol, Oxine Formula: C9H7NO Formula weight: 145.16 Purity: 99% CAS Number: 148-24-3 Harmonized Tariff Code:  2933.49 Hazard Statements: H341-H302 Suspected of causing genetic defects. Harmful if swallowed. Precautionary Statements: …

  • cis-3-Hexenyl acetate, 99%

    Alfa Aesar

    Formula: C8H14O2 Formula weight: 142.20 Purity: 99% CAS Number: 3681-71-8 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2916.19 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin irritation. Causes serious eye…

  • 8-Hydroxyquinoline-5-sulfonic acid hydrate, 98%

    Alfa Aesar

    Formula: C9H7NO4S xH2O Formula weight: 225.22(anhy) Purity: 98% CAS Number: 207386-92-3 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 2'-Hydroxy-4',6'-dimethoxyacetophenone, 98%

    Alfa Aesar

    Synonym(s): Brevifolin, 4',6'-Dimethoxy-2'-hydroxyacetophenone Formula: C10H12O4 Formula weight: 196.20 Purity: 98% CAS Number: 90-24-4 Harmonized Tariff Code:  2914.50 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • n-Heptane, Environmental Grade, 96+%

    Alfa Aesar

    Formula: CH3(CH2)5CH3 Formula weight: 100.21 Purity: 96+% 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…

  • Hydroxylamine, 50% aq. soln.

    Alfa Aesar

    Formula: H3NO Formula weight: 33.03 CAS Number: 7803-49-8 UN Number: UN3266 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2825.10 Hazard Statements: H318-H351-H373-H302-H317-H335-H315 Causes serious eye damage. Suspected of causing cancer. May cause damage to…

  • Homovanillic acid, 98+%

    Alfa Aesar

    Synonym(s): 4-Hydroxy-3-methoxyphenylacetic acid Formula: C9H10O4 Formula weight: 182.18 Purity: 98+% CAS Number: 306-08-1 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • HIV Substrate

    Alfa Aesar

    Synonym(s): Lys-Ala-Arg-Val-Nle-Phe(NO{2})-Glu-Ala-Nle-NH{2} Formula: C49H84N15O13 Formula weight: 1091.30 Harmonized Tariff Code:  2925.29

  • 4-Heptanone, 98%

    Alfa Aesar

    Synonym(s): Di-n-propyl ketone Formula: C7H14O Formula weight: 114.19 Purity: 98% CAS Number: 123-19-3 UN Number: UN2710 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2914.19 Hazard Statements: H226-H332 Flammable liquid and vapour. Harmful if inhaled. …

  • Heavy Metals, plasma standard solution, Specpure r, Ag, As, Ba, Cd, Cr, Hg, Pb,…

    Alfa Aesar

    Formula: Matrix 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary Statements: …

  • Hornblende, naturally occurring mineral, grains, approximately 0.06-0.19in

    Alfa Aesar

    Formula: ^=(Ca,Na)2-3(Mg,Fe,Al)5Si6(Si,Al)2O22(OH)2 Harmonized Tariff Code:  2530.90

  • Hexanes, mixed isomers, HPLC Grade, 99+%

    Alfa Aesar

    Formula: C6H14 Formula weight: 86.18 Purity: 99+% CAS Number: 92112-69-1 UN Number: UN1208 Hazard Class: 3

  • Hydrochloric acid, 5.0N Standardized Solution

    Alfa Aesar

    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: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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

  • Hemoglobin, bovine

    Alfa Aesar

    CAS Number: 9008-02-0 Harmonized Tariff Code:  3504.00

  • Hydrogen peroxide, 35% 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-H301-H314-H318-H335 May intensify fire; oxidizer. Toxic if swallowed. Causes severe skin burns and eye…

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