Reagents, O

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  • Octanoic acid, 98+%

    Alfa Aesar

    Synonym(s): Caprylic acid Formula: C8H16O2 Formula weight: 144.21 Purity: 98+% CAS Number: 124-07-2 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318-H302 Causes severe skin burns and eye damage. Causes…

  • 4-n-Octyloxybenzonitrile, 98%

    Alfa Aesar

    Formula: C15H21NO Formula weight: 231.34 Purity: 98% CAS Number: 88374-55-4 UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H331-H302-H312 Toxic if inhaled. Harmful if swallowed. Harmful in contact with skin. …

  • Oxalyl chloride, 98%

    Alfa Aesar

    Formula: C2Cl2O2 Formula weight: 126.93 Purity: 98% CAS Number: 79-37-8 UN Number: UN2927 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H331-H314-H318-H302 Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious…

  • n-Octyl 4-hydroxybenzoate, 98%

    Alfa Aesar

    Synonym(s): 4-Hydroxybenzoic acid n-octyl ester, Octylparaben Formula: C15H22O3 Formula weight: 250.34 Purity: 98% CAS Number: 1219-38-1 Harmonized Tariff Code:  2918.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Oxamide, 98+%

    Alfa Aesar

    Synonym(s): Oxalic diamide Formula: C2H4N2O2 Formula weight: 88.07 Purity: 98+% CAS Number: 471-46-5 Harmonized Tariff Code:  2924.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Tetra-n-octylammonium bromide, 98+%

    Alfa Aesar

    Formula: [CH3(CH2)7]4NBr Formula weight: 546.81 Purity: 98+% CAS Number: 14866-33-2 Harmonized Tariff Code:  2923.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Orange G, Electrophoresis Grade

    Alfa Aesar

    Synonym(s): C.I. 16230, Acid Orange 10 Formula: C16H10N2Na2O7S Formula weight: 452.38 CAS Number: 1936-15-8 Harmonized Tariff Code:  3204.12

  • (^+)-2-Octanol, 98%

    Alfa Aesar

    Synonym(s): n-Hexyl methyl carbinol Formula: C8H18O Formula weight: 130.23 Purity: 98% CAS Number: 123-96-6 Harmonized Tariff Code:  2905.16 Hazard Statements: H319-H227 Causes serious eye irritation. Combustible liquid. Precautionary Statements: P261-P305+P351+P338 Avoid…

  • n-Octane, 98+%

    Alfa Aesar

    Formula: CH3(CH2)6CH3 Formula weight: 114.23 Purity: 98+% CAS Number: 111-65-9 UN Number: UN1262 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…

  • O-Acetylsalicylic acid, 99%

    Alfa Aesar

    Synonym(s): 2-Acetoxybenzoic acid Formula: C9H8O4 Formula weight: 180.15 Purity: 99% CAS Number: 50-78-2 Harmonized Tariff Code:  2918.22 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Oxalic acid dihydrate, 98%

    Alfa Aesar

    Formula: C2H2O4 2H2O Formula weight: 126.07 (90.04anhy) Purity: 98% CAS Number: 6153-56-6 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H314-H302-H312 Causes severe skin burns and eye damage. Harmful if swallowed.…

  • 1-Octadecanol, 97%

    Alfa Aesar

    Synonym(s): n-Octadecyl alcohol, Stearyl alcohol Formula: CH3(CH2)17OH Formula weight: 270.50 Purity: 97% CAS Number: 112-92-5 Harmonized Tariff Code:  2905.17

  • 1,4-Oxathiane 4,4-dioxide, 99%

    Alfa Aesar

    Synonym(s): 4,4-Dioxo-1,4-oxathiane, 1,4-Thioxane 1,1-dioxide Formula: C4H8O3S Formula weight: 136.16 Purity: 99% CAS Number: 107-61-9 Harmonized Tariff Code:  2934.99

  • Octafluorotoluene, 98+%

    Alfa Aesar

    Synonym(s): Perfluorotoluene Formula: C7F8 Formula weight: 236.06 Purity: 98+% CAS Number: 434-64-0 UN Number: UN1992 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H225-H301-H331-H315-H319-H335 Highly flammable liquid and vapour.…

  • Octanal, 98%

    Alfa Aesar

    Synonym(s): Caprylaldehyde, Octyl aldehyde Formula: C8H16O Formula weight: 128.22 Purity: 98% CAS Number: 124-13-0 UN Number: UN1191 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2912.19 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour.…

  • 3-Oxo-3-(2-thienyl)propionitrile, 98%

    Alfa Aesar

    Synonym(s): 2-Thenoylacetonitrile Formula: C7H5NOS Formula weight: 151.19 Purity: 98% CAS Number: 33898-90-7 UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H331-H302-H312-H315-H319-H335 Toxic if inhaled.…

  • 2-n-Octylthiophene, 98%

    Alfa Aesar

    Formula: C12H20S Formula weight: 196.36 Purity: 98% CAS Number: 880-36-4 Harmonized Tariff Code:  2934.99

  • 1-Octen-3-ol, 98%

    Alfa Aesar

    Synonym(s): n-Amyl vinyl carbinol, n-Pentyl vinyl carbinol Formula: C8H16O Formula weight: 128.22 Purity: 98% CAS Number: 3391-86-4 Harmonized Tariff Code:  2905.29 Hazard Statements: H302-H315-H319-H335-H227 Harmful if swallowed. Causes skin irritation. Causes serious eye…

  • 2,4-Octanedione, 98+%

    Alfa Aesar

    Formula: C8H14O2 Formula weight: 142.20 Purity: 98+% CAS Number: 14090-87-0 Harmonized Tariff Code:  2914.19

  • n-Octylbenzene, 99%

    Alfa Aesar

    Synonym(s): 1-Phenyloctane Formula: C14H22 Formula weight: 190.33 Purity: 99% CAS Number: 2189-60-8 Harmonized Tariff Code:  2902.90

  • Oxone r, monopersulfate

    Alfa Aesar

    Synonym(s): Potassium peroxymonosulfate, Potassium monopersulfate triple salt Formula: 2KHSO5.KHSO4.K2SO4 Formula weight: 615.50 CAS Number: 70693-62-8 UN Number: UN3084 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2833.40 Hazard Statements: …

  • 1-Octyne, 98%

    Alfa Aesar

    Synonym(s): n-Hexylacetylene Formula: C8H14 Formula weight: 110.20 Purity: 98% CAS Number: 629-05-0 UN Number: UN3295 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2901.29 Hazard Statements: H225-H304 Highly flammable liquid and vapour. May be fatal if…

  • o-Tolualdehyde, 98%, stab. with 0.1% hydroquinone

    Alfa Aesar

    Synonym(s): 2-Methylbenzaldehyde Formula: C8H8O Formula weight: 120.15 Purity: 98%, stab. with 0.1% hydroquinone CAS Number: 529-20-4 Harmonized Tariff Code:  2912.29 Hazard Statements: H301-H227-H315-H319-H335 Toxic if swallowed. Combustible liquid. Causes skin irritation.…

  • (^+)-1-Octyn-3-ol, 98%

    Alfa Aesar

    Synonym(s): n-Amyl ethynyl carbinol, Ethynyl n-pentyl carbinol Formula: C8H14O Formula weight: 126.20 Purity: 98% CAS Number: 818-72-4 Packing Group: III Harmonized Tariff Code:  2905.29 Hazard Statements: H301-H227 Toxic if swallowed. Combustible liquid. Precautionary…

  • o-Anisidine, 99%

    Alfa Aesar

    Synonym(s): 2-Aminoanisole, 2-Methoxyaniline Formula: C7H9NO Formula weight: 123.16 Purity: 99% CAS Number: 90-04-0 UN Number: UN2431 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2922.29 Hazard Statements: H301-H311-H331-H350-H341 Toxic if swallowed.…

  • Oxalacetic acid, 97%

    Alfa Aesar

    Synonym(s): 2-Oxobutanedioic acid, 2-Oxosuccinic acid Formula: C4H4O5 Formula weight: 132.07 Purity: 97% CAS Number: 328-42-7 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2918.30 Hazard Statements: H314-H318 Causes severe skin burns and…

  • 1-Octanol, 99%

    Alfa Aesar

    Synonym(s): Capryl alcohol, n-Octyl alcohol Formula: C8H18O Formula weight: 130.23 Purity: 99% CAS Number: 111-87-5 Harmonized Tariff Code:  2905.16 Hazard Statements: H315-H319-H227 Causes skin irritation. Causes serious eye irritation. Combustible liquid. Precautionary…

  • 1,4-Oxazepan-5-one, 97%

    Alfa Aesar

    Synonym(s): 4-Oxacaprolactam, Tetrahydro-1,4-oxazepin-5(2H)-one Formula: C5H9NO2 Formula weight: 115.13 Purity: 97% CAS Number: 10341-26-1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • 1,8-Octanediol, 98+%

    Alfa Aesar

    Synonym(s): 1,8-Dihydroxyoctane, Octamethylene glycol Formula: C8H18O2 Formula weight: 146.23 Purity: 98+% CAS Number: 629-41-4 Harmonized Tariff Code:  2905.39

  • n-Octadecyltrichlorosilane, 95%, cont. 5-10% branched isomers

    Alfa Aesar

    Synonym(s): Trichlorooctadecylsilane, Stearyltrichlorosilane Formula: C18H37Cl3Si Formula weight: 387.94 Purity: 95%, cont. 5-10% branched isomers CAS Number: 112-04-9 UN Number: UN1800 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: …

  • 2-Oxazolidinone, 99%

    Alfa Aesar

    Synonym(s): 2-Oxazolidone Formula: C3H5NO2 Formula weight: 87.08 Purity: 99% CAS Number: 497-25-6 Harmonized Tariff Code:  2934.99

  • Osmium, plasma standard solution, Specpure r, Os 1000µg/ml

    Alfa Aesar

    Formula: (NH4)2OsCl6 in 20 HCl UN Number: UN1789 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  3822.00 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements: …

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