Alfa Aesar

Reagents, B, Alfa Aesar

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  • Bromothymol Blue

    Alfa Aesar

    Synonym(s): Bromthymol Blue Formula: C27H28Br2O5S Formula weight: 624.39 CAS Number: 76-59-5 Harmonized Tariff Code:  2914.70

  • 2-Butyne-1,4-diol, 98+%

    Alfa Aesar

    Synonym(s): 1,4-Dihydroxy-2-butyne Formula: C4H6O2 Formula weight: 86.09 Purity: 98+% CAS Number: 110-65-6 UN Number: UN2716 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2905.39 Hazard Statements: H301-H331-H314-H373-H312-H317 Toxic if swallowed. Toxic…

  • Benzyl alcohol, 99%

    Alfa Aesar

    Formula: C7H8O Formula weight: 108.14 Purity: 99% CAS Number: 100-51-6 Harmonized Tariff Code:  2906.21 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if inhaled. Precautionary Statements: P261-P264-P304+P340-P301+P312-P312-P501a Avoid breathing…

  • Benzoic acid, 99%

    Alfa Aesar

    Formula: C7H6O2 Formula weight: 122.12 Purity: 99% CAS Number: 65-85-0 Harmonized Tariff Code:  2916.31 Hazard Statements: H318-H302-H335 Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation. Precautionary Statements: P280f-P305+P351+P338 Wear…

  • Bromine liquid, ACS, 99.5%

    Alfa Aesar

    Purity: 99.5% 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: …

  • Bromocresol Green, ACS

    Alfa Aesar

    Formula: C21H14Br4O5S Formula weight: 698.04 CAS Number: 76-60-8 Harmonized Tariff Code:  2934.99

  • Bafilomycin A1

    Alfa Aesar

    Formula: C35H58O9 Formula weight: 622.83 CAS Number: 88899-55-2 Harmonized Tariff Code:  2941.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Bromine liquid, 99.998% (metals basis)

    Alfa Aesar

    Purity: 99.998% (metals basis) 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: …

  • 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…

  • Bromophenol Blue, ACS

    Alfa Aesar

    Formula: C19H10Br4O5S Formula weight: 669.98 CAS Number: 115-39-9 Harmonized Tariff Code:  2934.99

  • Benzhydryl bromide, 90+%

    Alfa Aesar

    Synonym(s): Bromodiphenylmethane, Diphenylmethyl bromide Formula: C13H11Br Formula weight: 247.14 Purity: 90+% CAS Number: 776-74-9 UN Number: UN1770 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318 Causes severe skin burns…

  • 2-Bromopropane, 99%

    Alfa Aesar

    Synonym(s): Isopropyl bromide Formula: C3H7Br Formula weight: 123.00 Purity: 99% CAS Number: 75-26-3 UN Number: UN2344 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.39 Hazard Statements: H225-H360-H373 Highly flammable liquid and vapour. May damage…

  • Buffer solution, pH 8.00 (^+0.01 @ 25^oC), No Color, Specpure r, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • 4-Bromobutyronitrile, 97%

    Alfa Aesar

    Synonym(s): 1-Bromo-3-cyanopropane Formula: Br(CH2)3CN Formula weight: 148.01 Purity: 97% CAS Number: 5332-06-9 UN Number: UN3276 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H311-H302-H332-H315-H319 Toxic in contact with…

  • 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…

  • D-(+)-Biotin, 98+%

    Alfa Aesar

    Synonym(s): Vitamin H Formula: C10H16N2O3S Formula weight: 244.32 Purity: 98+% CAS Number: 58-85-5 Harmonized Tariff Code:  2936.29

  • Bromobenzene, 99%

    Alfa Aesar

    Formula: C6H5Br Formula weight: 157.02 Purity: 99% CAS Number: 108-86-1 UN Number: UN2514 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2903.99 Hazard Statements: H226-H315 Flammable liquid and vapour. Causes skin irritation. Precautionary Statements: …

  • Benzonitrile, 99%

    Alfa Aesar

    Formula: C7H5N Formula weight: 103.12 Purity: 99% CAS Number: 100-47-0 UN Number: UN2224 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2926.90 Hazard Statements: H331-H227-H302-H312 Toxic if inhaled. Combustible liquid. Harmful if swallowed. Harmful in…

  • 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

  • Benzoyl chloride, 99+%

    Alfa Aesar

    Formula: C7H5ClO Formula weight: 140.57 Purity: 99+% CAS Number: 98-88-4 UN Number: UN1736 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.32 Hazard Statements: H311-H314-H318-H227-H302-H332-H317 Toxic in contact with skin. Causes severe skin burns and eye…

  • 2-Bromobutane, 98%

    Alfa Aesar

    Synonym(s): sec-Butyl bromide Formula: C4H9Br Formula weight: 137.03 Purity: 98% CAS Number: 78-76-2 UN Number: UN2339 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.39 Hazard Statements: H225-H336 Highly flammable liquid and vapour. May cause…

  • 5-Bromo-4-chloro-3-indolyl-^b-D-galactopyranoside, 98+%

    Alfa Aesar

    Synonym(s): X-gal Formula: C14H15BrClNO6 Formula weight: 408.64 Purity: 98+% CAS Number: 7240-90-6 Harmonized Tariff Code:  2934.99

  • Bromoacetonitrile, 96%

    Alfa Aesar

    Formula: BrCH2CN Formula weight: 119.95 Purity: 96% CAS Number: 590-17-0 UN Number: UN2922 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2926.90 Hazard Statements: H300-H310-H330-H314-H318-H227 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled.…

  • 1-Bromobutane, 98+%

    Alfa Aesar

    Synonym(s): n-Butyl bromide Formula: C4H9Br Formula weight: 137.03 Purity: 98+% CAS Number: 109-65-9 UN Number: UN1126 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2903.39 Hazard Statements: H225-H315-H319-H335 Highly flammable liquid and vapour. Causes…

  • 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: …

  • 1-Bromo-4-chlorobutane, 99%

    Alfa Aesar

    Synonym(s): Tetramethylene bromochloride Formula: Br(CH2)4Cl Formula weight: 171.47 Purity: 99% CAS Number: 6940-78-9 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2903.79 Hazard Statements: H226-H315-H319-H335 Flammable liquid and…

  • tert-Butyl alcohol, ACS, 99+%

    Alfa Aesar

    Synonym(s): 2-Methyl-2-propanol, tert-Butanol Formula: C4H10O Formula weight: 74.12 Purity: 99+% CAS Number: 75-65-0 UN Number: UN1120 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.14 Hazard Statements: H225-H332-H319-H335 Highly flammable liquid and…

  • 4-Bromo-2-(trifluoromethyl)phenyl isothiocyanate, 97%

    Alfa Aesar

    Formula: C8H3BrF3NS Formula weight: 282.09 Purity: 97% CAS Number: 206559-46-8 UN Number: UN2922 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H331-H314-H318-H302-H312 Toxic if inhaled. Causes severe skin burns and eye damage.…

  • Bis(4-hydroxyphenyl) sulfone, 99%

    Alfa Aesar

    Synonym(s): Bisphenol S, 4,4'-Dihydroxydiphenyl sulfone Formula: C12H10O4S Formula weight: 250.28 Purity: 99% CAS Number: 80-09-1 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Brij r L23

    Alfa Aesar

    Synonym(s): Brij r 35, Tricosaethylene glycol mono-n-dodecyl ether Formula: C58H118O24 Formula weight: 1199.57 CAS Number: 9002-92-0 Harmonized Tariff Code:  3402.13 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation.…

  • 4-n-Butoxyphenol, 98%

    Alfa Aesar

    Synonym(s): Hydroquinone mono-n-butyl ether Formula: C10H14O2 Formula weight: 166.22 Purity: 98% CAS Number: 122-94-1 Harmonized Tariff Code:  2909.50 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 1,4-Butanediol, 99%

    Alfa Aesar

    Synonym(s): 1,4-Butylene glycol, Tetramethylene glycol Formula: HO(CH2)4OH Formula weight: 90.12 Purity: 99% CAS Number: 110-63-4 Harmonized Tariff Code:  2905.39 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash…

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