Reagents, B

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  • Bromine liquid, 99.8%

    Alfa Aesar

    Purity: 99.8% CAS Number: 7726-95-6 UN Number: UN1744 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2801.30 Hazard Statements: H330-H314 Fatal if inhaled. Causes severe skin burns and eye damage. Precautionary Statements: …

  • Buffer solution, pH 12.00 (^+0.01 @ 25^oC), No Color, Specpure r, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Bromocresol Green

    Alfa Aesar

    Synonym(s): Bromcresol Green CAS Number: 76-60-8 MDL: MFCD00005874 EINECS: 200-972-8 Formula: C21H14Br4O5S Formula Weight: 698.02 Melting Point: ca 225° dec.. Notes Transition interval: pH 3.8 (yellow) to…

  • p-Benzoquinone, 98+%

    Alfa Aesar

    Synonym(s): Quinone Formula: C6H4O2 Formula weight: 108.10 Purity: 98+% CAS Number: 106-51-4 UN Number: UN2587 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2914.69 Hazard Statements: H301-H331-H315-H319-H335 Toxic if swallowed. Toxic if inhaled. Causes…

  • Bromothymol Blue sodium salt

    Alfa Aesar

    Synonym(s): Bromothymol Blue, water soluble Formula: C27H27Br2NaO5S Formula weight: 646.38 CAS Number: 34722-90-2 Harmonized Tariff Code:  2914.70

  • 1-Bromo-3-chloropropane, 99%

    Alfa Aesar

    Synonym(s): Trimethylene bromochloride Formula: Cl(CH2)3Br Formula weight: 157.44 Purity: 99% CAS Number: 109-70-6 UN Number: UN2688 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.79 Hazard Statements: H331-H302 Toxic if inhaled. Harmful if…

  • (±)-3-Butyn-2-ol, 98%

    Alfa Aesar

    Synonym(s): Methyl ethynyl carbinol, 3-Hydroxy-1-butyne Formula: C4H6O Formula weight: 70.09 Purity: 98% CAS Number: 2028-63-9 UN Number: UN2929 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2905.29 Hazard Statements: H300-H310-H226-H315-H319-H335 Fatal…

  • 2-Bromo-m-xylene, 98+%

    Alfa Aesar

    Synonym(s): 2-Bromo-1,3-dimethylbenzene, 2,6-Dimethylbromobenzene Formula: C8H9Br Formula weight: 185.07 Purity: 98+% CAS Number: 576-22-7 Harmonized Tariff Code:  2903.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause…

  • Barium sulfate, precipitated, 99%

    Alfa Aesar

    Formula: BaSO4 Formula weight: 233.40 Purity: 99% CAS Number: 7727-43-7 Harmonized Tariff Code:  2833.27

  • ^b-Naphthol Violet

    Alfa Aesar

    Formula: C16H9N3Na2O9S2 Formula weight: 497.37 CAS Number: 7143-21-7 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Barbituric acid, 99%

    Alfa Aesar

    Synonym(s): Malonylurea, 2,4,6-Trihydroxypyrimidine Formula: C4H4N2O3 Formula weight: 128.09 Purity: 99% CAS Number: 67-52-7 Harmonized Tariff Code:  2933.52

  • n-Butyl heptafluorobutyrate, 97%

    Alfa Aesar

    Synonym(s): Heptafluorobutyric acid n-butyl ester Formula: C8F7H9O2 Formula weight: 270.15 Purity: 97% CAS Number: 1559-07-5 Harmonized Tariff Code:  2915.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 1-Butanol, ACS, 99.4+%

    Alfa Aesar

    Synonym(s): n-Butyl alcohol Formula: CH3(CH2)3OH Formula weight: 74.12 Purity: 99.4+% CAS Number: 71-36-3 UN Number: UN1120 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.13 Hazard Statements: H318-H226-H302-H335-H336-H315 Causes serious eye damage.…

  • Benzylamine, 98+%

    Alfa Aesar

    Formula: C7H9N Formula weight: 107.16 Purity: 98+% CAS Number: 100-46-9 UN Number: UN2735 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2921.49 Hazard Statements: H301-H311-H314-H318-H227 Toxic if swallowed. Toxic in contact with skin. Causes severe skin burns…

  • 3-n-Butyl-2,4-pentanedione, 98%

    Alfa Aesar

    Synonym(s): 3-Acetyl-2-heptanone Formula: C9H16O2 Formula weight: 156.23 Purity: 98% CAS Number: 1540-36-9 Harmonized Tariff Code:  2914.19

  • 2-Bromomesitylene, 99%

    Alfa Aesar

    Synonym(s): 2-Bromo-1,3,5-trimethylbenzene, 2,4,6-Trimethylbromobenzene Formula: C9H11Br Formula weight: 199.10 Purity: 99% CAS Number: 576-83-0 Harmonized Tariff Code:  2903.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • 1-Bromo-3-fluorobenzene, 99%

    Alfa Aesar

    Synonym(s): 3-Bromofluorobenzene Formula: C6H4BrF Formula weight: 175.01 Purity: 99% CAS Number: 1073-06-9 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2903.99 Hazard Statements: H226-H302-H315-H319 Flammable liquid and vapour. Harmful…

  • 6-Bromohexanoyl chloride, 97%

    Alfa Aesar

    Synonym(s): 6-Bromocaproyl chloride Formula: C6H10BrClO Formula weight: 213.50 Purity: 97% CAS Number: 22809-37-6 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.…

  • 5-Bromo-2-chlorobenzotrifluoride, 98+%

    Alfa Aesar

    Formula: C7H3BrClF3 Formula weight: 259.44 Purity: 98+% CAS Number: 445-01-2 Harmonized Tariff Code:  2903.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid. Precautionary…

  • 4'-Bromo-3-chloropropiophenone, 94%

    Alfa Aesar

    Formula: C9H8BrClO Formula weight: 247.53 Purity: 94% CAS Number: 31736-73-9 Harmonized Tariff Code:  2914.70 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Benzohydroxamic acid, 99%

    Alfa Aesar

    Synonym(s): Benzhydroxamic acid, N-Benzoylhydroxylamine Formula: C7H7NO2 Formula weight: 137.14 Purity: 99% CAS Number: 495-18-1 Harmonized Tariff Code:  2924.29 Hazard Statements: H341-H315-H319-H335 Suspected of causing genetic defects. Causes skin irritation. Causes serious…

  • 4-Bromo-2,6-dimethylaniline, 98%

    Alfa Aesar

    Synonym(s): 4-Bromo-2,6-xylidine Formula: C8H10BrN Formula weight: 200.08 Purity: 98% CAS Number: 24596-19-8 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.42 Hazard Statements: H331-H373-H302-H312-H315-H319 Toxic if inhaled. May…

  • Butyric anhydride, 98%

    Alfa Aesar

    Formula: C8H14O3 Formula weight: 158.20 Purity: 98% CAS Number: 106-31-0 UN Number: UN2739 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318-H227 Causes severe skin burns and eye damage. Causes serious eye damage. Combustible…

  • Behenic acid, tech. 85%

    Alfa Aesar

    Synonym(s): Docosanoic acid Formula: CH3(CH2)20CO2H Formula weight: 340.60 Purity: tech. 85% CAS Number: 112-85-6 Harmonized Tariff Code:  2915.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Benzyl 2,2,2-trichloroacetimidate, 98%

    Alfa Aesar

    Synonym(s): 2,2,2-Trichloroacetimidic acid benzyl ester Formula: C9H8Cl3NO Formula weight: 252.53 Purity: 98% CAS Number: 81927-55-1 Harmonized Tariff Code:  2925.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 1-Bromonaphthalene, 97%

    Alfa Aesar

    Formula: C10H7Br Formula weight: 207.08 Purity: 97% CAS Number: 90-11-9 Harmonized Tariff Code:  2903.99 Hazard Statements: H302-H319 Harmful if swallowed. Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P301+P312-P337+P313-P501a Wear…

  • 1-Bromodecane, 98%

    Alfa Aesar

    Synonym(s): n-Decyl bromide Formula: C10H21Br Formula weight: 221.19 Purity: 98% CAS Number: 112-29-8 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.39 Hazard Statements: H331 Toxic if inhaled. Precautionary Statements: …

  • Butyramide, 98%

    Alfa Aesar

    Formula: CH3CH2CH2CONH2 Formula weight: 87.12 Purity: 98% CAS Number: 541-35-5 Harmonized Tariff Code:  2924.19 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…

  • 2-Bromopyridine, 99%

    Alfa Aesar

    Formula: C5H4BrN Formula weight: 158.00 Purity: 99% CAS Number: 109-04-6 UN Number: UN2810 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H310-H315-H319-H335 Toxic if swallowed. Fatal in contact with skin. Causes skin…

  • 1-Bromo-3,5-difluorobenzene, 98%

    Alfa Aesar

    Synonym(s): 3,5-Difluorobromobenzene Formula: C6H3BrF2 Formula weight: 192.99 Purity: 98% CAS Number: 461-96-1 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2903.99 Hazard Statements: H226-H373-H302-H315-H317 Flammable liquid and vapour.…

  • Butyric acid, 99+%

    Alfa Aesar

    Formula: C4H8O2 Formula weight: 88.11 Purity: 99+% CAS Number: 107-92-6 UN Number: UN2820 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.60 Hazard Statements: H311-H314-H318-H227 Toxic in contact with skin. Causes severe skin burns and eye damage. Causes…

  • Basic Fuchsin

    Alfa Aesar

    Synonym(s): C.I. 42510, Fuchsin basic Formula: C20H20ClN3 Formula weight: 337.86 CAS Number: 632-99-5 Harmonized Tariff Code:  3204.13 Hazard Statements: H301-H351 Toxic if swallowed. Suspected of causing cancer. Precautionary Statements: P281-P301+P310-P308+P313-P321-P405-P501a…

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