Reagents, O

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  • Orcein, for analysis

    Alfa Aesar

    CAS Number: 1400-62-0 Harmonized Tariff Code:  2934.99 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Immediately call a POISON…

  • n-Octyl butyrate, 97%

    Alfa Aesar

    Synonym(s): Butyric acid n-octyl ester Formula: CH3CH2CH2CO2(CH2)7CH3 Formula weight: 172.27 Purity: 97% CAS Number: 110-39-4 Harmonized Tariff Code:  2915.60

  • 4,4'-Oxybis(benzoic acid), 98+%

    Alfa Aesar

    Synonym(s): 4,4'-Dicarboxydiphenyl ether, (Diphenyl ether)-4,4'-dicarboxylic acid Formula: C14H10O5 Formula weight: 258.23 Purity: 98+% CAS Number: 2215-89-6 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation.…

  • Oxalate, Ion chromatography standard solution, Specpure r, C{2}O4 -^2 1000µg/ml

    Alfa Aesar

    Formula: Na2C2O4 in H2O Harmonized Tariff Code:  3822.00

  • Oil Red O

    Alfa Aesar

    Synonym(s): C.I. 26125, Solvent Red 27 Formula: C26H24N4O Formula weight: 408.51 CAS Number: 1320-06-5 Harmonized Tariff Code:  3204.19

  • Octenyltrichlorosilane, tech.

    Alfa Aesar

    Formula: C8H15Cl3Si Formula weight: 245.65 CAS Number: 153447-97-3 UN Number: UN2987 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary Statements:…

  • Oxalyl chloride, 2M soln. in dichloromethane

    Alfa Aesar

    Formula: C2Cl2O2 Formula weight: 126.93 CAS Number: 79-37-8 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2917.19 Hazard Statements: H331-H314-H318-H351 Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage.…

  • 2-(4-n-Hexyloxyphenyl)-5-n-octylpyrimidine, 97%

    Alfa Aesar

    Formula: C24H36N2O Formula weight: 368.56 Purity: 97% CAS Number: 57202-48-9 Packing Group: n/a Harmonized Tariff Code:  2933.59

  • n-Octyltrichlorosilane, 97%

    Alfa Aesar

    Synonym(s): Trichloro-n-octylsilane Formula: CH3(CH2)7SiCl3 Formula weight: 247.67 Purity: 97% CAS Number: 5283-66-9 UN Number: UN1801 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin burns and eye…

  • Octanophenone, 98%

    Alfa Aesar

    Synonym(s): n-Heptyl phenyl ketone Formula: C14H20O Formula weight: 204.31 Purity: 98% CAS Number: 1674-37-9 Harmonized Tariff Code:  2914.39

  • ^y-Octanolactone, 98%

    Alfa Aesar

    Synonym(s): 4-Hydroxyoctanoic acid lactone, gamma-Octalactone Formula: C8H14O2 Formula weight: 142.20 Purity: 98% CAS Number: 104-50-7 Harmonized Tariff Code:  2932.20 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Oxindole, 97+%

    Alfa Aesar

    Synonym(s): 2-Indolinone Formula: C8H7NO Formula weight: 133.15 Purity: 97+% CAS Number: 59-48-3 Harmonized Tariff Code:  2933.79 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling. Do not…

  • 1-Octadecene, tech. 90%

    Alfa Aesar

    CAS Number: 112-88-9 MDL: MFCD00009003 EINECS: 204-012-9

  • Octanoyl chloride, 99%

    Alfa Aesar

    Synonym(s): Capryloyl chloride Formula: CH3(CH2)6COCl Formula weight: 162.66 Purity: 99% CAS Number: 111-64-8 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2915.90 Hazard Statements: H301-H314-H318-H227 Toxic if swallowed. Causes severe…

  • Orlistat, 98%

    Alfa Aesar

    Synonym(s): (-)-Tetrahydrolipstatin, Ro-18-0647 Formula: C29H53NO5 Formula weight: 495.73 Purity: 98% CAS Number: 96829-58-2 Harmonized Tariff Code:  2932.20

  • 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…

  • N,N-Di-n-octylaniline, 98%

    Alfa Aesar

    Formula: C22H39N Formula weight: 317.56 Purity: 98% CAS Number: 3007-75-8 Harmonized Tariff Code:  2921.49 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements:…

  • 2-O-^a-D-Glucopyranosyl-L-ascorbic acid, 99.5%

    Alfa Aesar

    Synonym(s): Ascorbic acid 2-glucoside Formula: C12H18O11 Formula weight: 338.26 Purity: 99.5% CAS Number: 129499-78-1 Harmonized Tariff Code:  2936.27

  • Okadaic acid sodium salt, 98%

    Alfa Aesar

    Formula: C44H67NaO13 Formula weight: 827.00 Purity: 98% CAS Number: 209266-80-8 UN Number: UN3462 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2932.19 Hazard Statements: H300-H310-H330-H315 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled.…

  • 2,3-O-Isopropylidene-D-erythronolactone, 98%

    Alfa Aesar

    Formula: C7H10O4 Formula weight: 158.15 Purity: 98% CAS Number: 25581-41-3 Harmonized Tariff Code:  2932.99

  • 3-Octyn-1-ol, 96%

    Alfa Aesar

    Formula: CH3(CH2)3C C(CH2)2OH Formula weight: 126.20 Purity: 96% CAS Number: 14916-80-4 Harmonized Tariff Code:  2905.29

  • 2,2,3,3,4,4,5,5-Octafluoropentyl methacrylate, 98%, stab.

    Alfa Aesar

    Synonym(s): Methacrylic acid 2,2,3,3,4,4,5,5-octafluoropentyl ester, 1H,1H,5H-Perfluoro-1-pentyl methacrylate Formula: C9H8F8O2 Formula weight: 300.15 Purity: 98%, stab. CAS Number: 355-93-1 Harmonized Tariff Code:  2916.14 Hazard Statements: H315-H319-H335-H227 Causes skin…

  • 1-Octanesulfonyl chloride, 97%

    Alfa Aesar

    Synonym(s): 1-Octylsulfonyl chloride Formula: C8H17ClO2S Formula weight: 212.74 Purity: 97% CAS Number: 7795-95-1 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2904.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage.…

  • 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…

  • 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…

  • Oxalacetic acid, 98+%

    Alfa Aesar

    Formula: C4H4O5 Formula weight: 132.07 Purity: 98+% 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 eye damage. Causes serious eye damage. Precautionary…

  • 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…

  • 4'-n-Octylacetophenone, 98%

    Alfa Aesar

    Formula: C16H24O Formula weight: 232.37 Purity: 98% CAS Number: 10541-56-7 Harmonized Tariff Code:  2914.39

  • 3-Oxetanemethanol, 96%

    Alfa Aesar

  • 2,4-Octanedione, 98+%

    Alfa Aesar

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

  • Osmium powder, -20 mesh, 99.95% (metals basis)

    Alfa Aesar

    Purity: 99.95% (metals basis) CAS Number: 7440-04-2 UN Number: UN3089 Hazard Class: 4.1 Packing Group: II Harmonized Tariff Code:  7110.41 Hazard Statements: H228 Flammable solid. Precautionary Statements: P210-P280-P240-P241-P370+P378a Keep away from heat/sparks/open…

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