Reagents, H

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  • Hexanoic anhydride, 98%

    Alfa Aesar

    Synonym(s): Caproic anhydride Formula: C12H22O3 Formula weight: 214.31 Purity: 98% CAS Number: 2051-49-2 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes…

  • 2'-Hydroxy-5'-methylacetophenone, 98%

    Alfa Aesar

    Formula: C9H10O2 Formula weight: 150.18 Purity: 98% CAS Number: 1450-72-2 Harmonized Tariff Code:  2914.50 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Humic acid sodium salt, tech. 50-60% (as humic acid)

    Alfa Aesar

    Synonym(s): Sodium humate Purity: tech. 50-60% (as humic acid) CAS Number: 68131-04-4 Harmonized Tariff Code:  3824.90

  • Heptanal, 97%

    Alfa Aesar

    Synonym(s): Heptaldehyde Formula: CH3(CH2)5CHO Formula weight: 114.19 Purity: 97% CAS Number: 111-71-7 UN Number: UN3056 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2912.19 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin…

  • Hafnium(IV) oxide, 99% (metals basis excluding Zr), Zr <1.5%

    Alfa Aesar

    Formula: HfO2 Formula weight: 210.49 Purity: 99% (metals basis excluding Zr), Zr CAS Number: 12055-23-1 Harmonized Tariff Code:  2825.90

  • 2-Hydroxy-3-nitrobenzaldehyde, 98%

    Alfa Aesar

    Synonym(s): 3-Nitro-2-hydroxybenzaldehyde, 3-Nitrosalicylaldehyde Formula: C7H5NO4 Formula weight: 167.12 Purity: 98% CAS Number: 5274-70-4 Harmonized Tariff Code:  2913.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • 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…

  • 4-Hydrazinobenzoic acid hydrochloride, 98%

    Alfa Aesar

    Formula: C7H8N2O2 HCl Formula weight: 188.61 Purity: 98% CAS Number: 24589-77-3 Harmonized Tariff Code:  2928.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 4-Hydroxyphenylacetonitrile, 97%

    Alfa Aesar

    Synonym(s): 4-Hydroxybenzyl cyanide Formula: C8H7NO Formula weight: 133.15 Purity: 97% CAS Number: 14191-95-8 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye…

  • Hydrochloric acid, Environmental Grade, 34-37.5%

    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: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements: …

  • 3-Hydroxy-5-methylisoxazole, 97%

    Alfa Aesar

    Synonym(s): Hymexazol Formula: C4H5NO2 Formula weight: 99.09 Purity: 97% CAS Number: 10004-44-1 Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H318 Toxic if swallowed. Causes serious eye damage. Precautionary Statements: P280-P301+P310-P305+P351+P338-P310-P405-P501a…

  • 4-n-Hexylresorcinol, 99%

    Alfa Aesar

    Synonym(s): 1-n-Hexyl-2,4-dihydroxybenzene Formula: C12H18O2 Formula weight: 194.27 Purity: 99% CAS Number: 136-77-6 Harmonized Tariff Code:  2907.29 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause…

  • HEPES Buffer, 0.2M buffer soln., pH 7.4, low endotoxin

    Alfa Aesar

  • 4-n-Heptyloxyaniline, 98%

    Alfa Aesar

    Formula: C13H21NO Formula weight: 207.32 Purity: 98% CAS Number: 39905-44-7 Harmonized Tariff Code:  2921.49 Hazard Statements: H301-H311-H332 Toxic if swallowed. Toxic in contact with skin. Harmful if inhaled. Precautionary Statements: P261-P280-P301+P310-P361-P405-P501a Avoid…

  • 4'-Hydroxyoctanophenone, 99%

    Alfa Aesar

    Synonym(s): Heptyl 4-hydroxyphenyl ketone Formula: C14H20O2 Formula weight: 220.31 Purity: 99% CAS Number: 2589-73-3 Harmonized Tariff Code:  2914.40 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 5-Hydroxydecanoic acid sodium salt, 98%

    Alfa Aesar

    Synonym(s): Sodium 5-hydroxydecanoate Formula: C10H19NaO3 Formula weight: 210.25 Purity: 98% CAS Number: 624-00-0 Harmonized Tariff Code:  2918.19

  • 3-Hydroxybenzeneboronic acid, 97%

    Alfa Aesar

    Synonym(s): 3-Boronophenol, 3-Hydroxyphenylboronic acid Formula: C6H7BO3 Formula weight: 137.93 Purity: 97% CAS Number: 87199-18-6 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • O-(4-Nitrobenzyl)hydroxylamine hydrochloride, 98%

    Alfa Aesar

    Formula: C7H8N2O3 HCl Formula weight: 204.61 Purity: 98% CAS Number: 2086-26-2 Harmonized Tariff Code:  2928.00

  • Hyaluronic acid sodium salt, Streptococcus equi, 91%

    Alfa Aesar

    Formula: (C14H21NaNO11)n Purity: 91% CAS Number: 9067-32-7 Harmonized Tariff Code:  3913.90

  • Hafnium(IV) sulfate, 99.9% (metals basis excluding Zr), Zr <1%

    Alfa Aesar

    Formula: Hf(SO4)2 Formula weight: 370.62(anhy) Purity: 99.9% (metals basis excluding Zr), Zr CAS Number: 15823-43-5 Harmonized Tariff Code:  2833.29

  • n-Hexylsulfonylacetonitrile, 98%

    Alfa Aesar

    Synonym(s): n-Hexanesulfonylacetonitrile Formula: C8H15NO2S Formula weight: 189.28 Purity: 98% CAS Number: 203310-42-3 Harmonized Tariff Code:  2930.90 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly…

  • 8-Hydroxyquinoline sulfate monohydrate, 99%

    Alfa Aesar

    Formula: C18H14N2O2 H2SO4 H2O Formula weight: 406.42 (388.40anhy) Purity: 99% CAS Number: 207386-91-2 Harmonized Tariff Code:  2933.49 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P280f Wear protective clothing. Risk Phrases: 22 Harmful if…

  • Holmium, plasma standard solution, Specpure r, Ho 10,000^mg/ml

    Alfa Aesar

    Formula: Ho2O3 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…

  • 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…

  • Hafnium(IV) 2,4-pentanedionate, 97%

    Alfa Aesar

    Synonym(s): Hafnium(IV) acetylacetonate Formula: C20H28O8Hf Formula weight: 574.93 Purity: 97% CAS Number: 17475-67-1 Harmonized Tariff Code:  2914.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 3-Hydroxy-4-methoxybenzoic acid, 97+%

    Alfa Aesar

    Synonym(s): Isovanillic acid Formula: C8H8O4 Formula weight: 168.15 Purity: 97+% CAS Number: 645-08-9 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 4-Hydroxybutyric acid hydrazide, 98%

    Alfa Aesar

    Synonym(s): 4-Hydroxybutanoic hydrazide Formula: HO(CH2)3CONHNH2 Formula weight: 118.14 Purity: 98% CAS Number: 3879-08-1 Harmonized Tariff Code:  2928.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 4-Hydroxyquinazoline, 98%

    Alfa Aesar

    Synonym(s): 4-Quinazolinol Formula: C8H6N2O Formula weight: 146.15 Purity: 98% CAS Number: 491-36-1 Harmonized Tariff Code:  2933.59 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Holmium(III) trifluoromethanesulfonate hydrate, 98%

    Alfa Aesar

    Synonym(s): Holmium(III) triflate Formula: Ho(OSO2CF3)3 xH2O Formula weight: 612.13(anhy) Purity: 98% Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 4-Hydroxyphenylacetic acid, 99%

    Alfa Aesar

    Formula: C8H8O3 Formula weight: 152.15 Purity: 99% CAS Number: 156-38-7 Harmonized Tariff Code:  2918.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 6-Hydroxy-2,3-dihydrobenzo[b]furan-3-one, 97%

    Alfa Aesar

    Synonym(s): 6-Hydroxy-3-coumaranone, 6-Hydroxy-2H-benzofuran-3-one Formula: C8H6O3 Formula weight: 150.14 Purity: 97% CAS Number: 6272-26-0 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

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