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  • 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: …

  • Borate, 0.5M buffer soln., pH 9.5

    Alfa Aesar

    CAS Number: 1330-43-4 Harmonized Tariff Code:  2840.19 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment as required. Obtain special instructions before use. Do not handle…

  • Brilliant Blue G, ultrapure

    Alfa Aesar

    Synonym(s): Coomassie Brilliant Blue G 250, C.I. 42655 Formula: C47H48N3NaO7S2 Formula weight: 854.04 CAS Number: 6104-58-1 Harmonized Tariff Code:  3204.12

  • 2-Benzylpyridine, 98+%

    Alfa Aesar

    Formula: C12H11N Formula weight: 169.23 Purity: 98+% CAS Number: 101-82-6 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Barium sulfate, precipitated, 99%

    Alfa Aesar

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

  • Biuret, 97%

    Alfa Aesar

    Synonym(s): Carbamylurea Formula: C2H5N3O2 Formula weight: 103.08 Purity: 97% CAS Number: 108-19-0 Harmonized Tariff Code:  2924.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 4-(Bromomethyl)benzeneboronic acid, tech. 85%

    Alfa Aesar

    Synonym(s): 4-Boronobenzyl bromide, 4-(Bromomethyl)phenylboronic acid Formula: C7H8BBrO2 Formula weight: 214.85 Purity: tech. 85% CAS Number: 68162-47-0 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 …

  • 2-Bromoacrylic acid, 95%

    Alfa Aesar

    Formula: C3H3BrO2 Formula weight: 150.96 Purity: 95% CAS Number: 10443-65-9 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.19 Hazard Statements: H314-H318-H317 Causes severe skin burns and eye damage. Causes serious eye damage. May cause…

  • 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: …

  • Bromide, Ion chromatography standard solution, Specpure r, Br - 1000µg/ml

    Alfa Aesar

    Formula: KBr in H2O Harmonized Tariff Code:  3822.00

  • Buffer solution, pH 1.68 (^+0.01 @ 25°C), No Color, Specpure r, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H318-H315 Causes serious eye damage. Causes skin irritation. Precautionary Statements: P280-P305+P351+P338-P310-P362-P321-P332+P313 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously…

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

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Bromocresol Purple

    Alfa Aesar

    Formula: C21H16Br2O5S Formula weight: 540.24 CAS Number: 115-40-2 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Di-^m-bromobis(tri-tert-butylphosphine)dipalladium(I)

    Alfa Aesar

    Synonym(s): Palladium(I) tri-tert-butylphosphine bromide dimer Formula: C24H54Br2P2Pd2 Formula weight: 777.29 CAS Number: 185812-86-6 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 2-Bromo-4,6-di-tert-butylphenol, 97%

    Alfa Aesar

    Formula: C14H21BrO Formula weight: 285.23 Purity: 97% CAS Number: 20834-61-1 Harmonized Tariff Code:  2908.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 2-[Bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]benzaldehyde, 97%

    Alfa Aesar

    Formula: C37H51O3P Formula weight: 574.77 Purity: 97% CAS Number: 1202865-21-1 Harmonized Tariff Code:  2931.90 Risk Phrases: 36 Irritating to eyes. Safety Phrases: 26-60 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. This material…

  • Bis(3,5-di-tert-butyl-4-methoxyphenyl)chlorophosphine, 94%

    Alfa Aesar

    Formula: C30H46ClO2P Formula weight: 505.13 Purity: 94% CAS Number: 212713-08-1 UN Number: UN3261 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. …

  • 2-Bromo-3',5'-di-tert-butyl-4'-hydroxyacetophenone, 97%

    Alfa Aesar

    Synonym(s): 3,5-Di-tert-butyl-4-hydroxyphenacyl bromide Formula: C16H23BrO2 Formula weight: 327.26 Purity: 97% CAS Number: 14386-64-2 UN Number: UN1759 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2914.70 Hazard Statements: H314-H318 Causes severe skin…

  • Boron trifluoride, 99+%

    Alfa Aesar

    Synonym(s): Boron fluoride Formula: BF3 Formula weight: 67.81 Purity: 99+% CAS Number: 7637-07-2 UN Number: UN1008 Hazard Class: 2.3 Harmonized Tariff Code:  2812.90 Hazard Statements: H330-H314-H318 Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious…

  • Buffer solution, pH 2.00 (^+0.01 @ 25^oC), No Color, Specpure r, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H318-H315 Causes serious eye damage. Causes skin irritation. Precautionary Statements: P280-P305+P351+P338-P310-P362-P321-P332+P313 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously…

  • 2,3-Butanedione, 99%

    Alfa Aesar

    Synonym(s): Biacetyl, Diacetyl Formula: C4H6O2 Formula weight: 86.09 Purity: 99% CAS Number: 431-03-8 UN Number: UN2346 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.19 Hazard Statements: H225-H302-H332-H315-H319 Highly flammable liquid and vapour.…

  • tert-Butyl methyl ether, 99%

    Alfa Aesar

    Synonym(s): Methyl tert-butyl ether, MTBE Formula: (CH3)3COCH3 Formula weight: 88.15 Purity: 99% CAS Number: 1634-04-4 UN Number: UN2350 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2909.19 Hazard Statements: H225-H315 Highly flammable liquid and vapour.…

  • Buffer solution, pH 4.01 (^+0.01 @ 25^oC), No Color, Specpure r, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Boric acid, 99.8%

    Alfa Aesar

    Synonym(s): Boracic acid, Orthoboric acid Formula: BH3O3 Formula weight: 61.83 Purity: 99.8% CAS Number: 10043-35-3 Harmonized Tariff Code:  2810.00 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P201-P308+P313 Obtain special…

  • Boric acid, 99+%

    Alfa Aesar

    Synonym(s): Boracic acid, Orthoboric acid Formula: BH3O3 Formula weight: 61.83 Purity: 99+% CAS Number: 10043-35-3 Harmonized Tariff Code:  2810.00 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P201-P308+P313 Obtain special…

  • Blue Tetrazolium chloride

    Alfa Aesar

    Synonym(s): BTC, Tetrazolium Blue chloride Formula: C40H32Cl2N8O2 Formula weight: 727.66 CAS Number: 1871-22-3 Harmonized Tariff Code:  2933.99

  • BCTC, 98%

    Alfa Aesar

  • Bis(pinacolato)diboron, 98+%

    Alfa Aesar

    Synonym(s): 4,4,4',4',5,5,5',5'-Octamethyl-2,2'-bi-1,3,2-dioxaborolane Formula: C12H24B2O4 Formula weight: 253.94 Purity: 98+% CAS Number: 73183-34-3 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

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

    Alfa Aesar

    Synonym(s): 4-Bromo-1-nitro-2-(trifluoromethyl)benzene Formula: C7H3BrF3NO2 Formula weight: 270.01 Purity: 98+% CAS Number: 344-38-7 Harmonized Tariff Code:  2904.90 Hazard Statements: H302-H312-H332-H315-H319 Harmful if swallowed. Harmful in contact with skin. Harmful if…

  • n-Butyllithium, 2.5M in hexanes, packaged in resealable septum cap bottle

    Alfa Aesar

    Included Fees: C848X33 has a Protective Can fee included in the price. C848X34 has a Protective Can fee included in the price. To see the value of these fees, download our Fee List.

  • Buffer solution, pH 13.00 (^+0.01 @ 25°C), No Color, Specpure®, NIST Traceable

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-

  • Brilliant Blue R

    Alfa Aesar

    Synonym(s): Coomassie Brilliant Blue R 250, C.I. 42660 Formula: C45H44N3NaO7S2 Formula weight: 825.97 CAS Number: 6104-59-2 Harmonized Tariff Code:  3204.12

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