Reagents, B

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

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Borate, 0.5M buffer soln., pH 8.5

    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…

  • 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

  • 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…

  • Bovine Serum Albumin, 1mg/ml

    Alfa Aesar

    CAS Number: 9048-46-8 Harmonized Tariff Code:  3502.90

  • Bis(dimethylamino)dimethylsilane, 97%

    Alfa Aesar

    Formula: [(CH3)2N]2Si(CH3)2 Formula weight: 146.31 Purity: 97% CAS Number: 3768-58-9 UN Number: UN2924 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H225-H314-H318 Highly flammable liquid and vapour. Causes severe skin burns and eye…

  • (^+)-1,3-Butanediol, 99%

    Alfa Aesar

    Synonym(s): (^+)-1,3-Butylene glycol Formula: C4H10O2 Formula weight: 90.12 Purity: 99% CAS Number: 107-88-0 Harmonized Tariff Code:  2905.39

  • 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-

  • 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: …

  • Barium chloride dihydrate, 99+%

    Alfa Aesar

    Formula: BaCl2 2H2O Formula weight: 244.28 (208.25anhy) Purity: 99+% CAS Number: 10326-27-9 UN Number: UN1564 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2827.39 Hazard Statements: H301-H331 Toxic if swallowed. Toxic if inhaled. Precautionary…

  • 1,3-Bis(aminopropyl)tetramethyldisiloxane, 97%

    Alfa Aesar

    Formula: C10H28N2OSi2 Formula weight: 248.52 Purity: 97% CAS Number: 2469-55-8 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H227 Causes severe skin burns and eye damage. Combustible liquid. Precautionary…

  • 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…

  • 4'-Bromoacetophenone, 98%

    Alfa Aesar

    Formula: C8H7BrO Formula weight: 199.05 Purity: 98% CAS Number: 99-90-1 Harmonized Tariff Code:  2914.70 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P280g-P305+P351+P338 …

  • Boron nitride paste

    Alfa Aesar

    Harmonized Tariff Code:  2850.00 Hazard Statements: H319-H335 Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective…

  • 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: …

  • Benzoic acid, ACS, 99.5% min

    Alfa Aesar

    Formula: C7H6O2 Formula weight: 122.12 Purity: 99.5% min 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…

  • 1-Butanol, anhydrous, 99.9%, packaged under Argon in resealable ChemSeal^t…

    Alfa Aesar

    Formula: CH3(CH2)3OH Formula weight: 74.12 Purity: 99.9%, packaged under Argon in resealable ChemSeal^t bottles 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…

  • Barium hydroxide, anhydrous, 94-98%

    Alfa Aesar

    Formula: Ba(OH)2 Formula weight: 171.36 Purity: 94-98% CAS Number: 17194-00-2 UN Number: UN3262 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2816.40 Hazard Statements: H314-H318-H302-H332 Causes severe skin burns and eye damage. Causes serious eye damage.…

  • Barium sulfate, precipitated, 99%

    Alfa Aesar

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

  • Boric acid, 98%

    Alfa Aesar

    Synonym(s): Boracic acid, Orthoboric acid Formula: BH3O3 Formula weight: 61.83 Purity: 98% 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…

  • BLOTTO and Tween 20 in PBS, with 0.02% sodium azide

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • Benzyl chloroformate, 95%, stab. with ca 0.1% sodium carbonate

    Alfa Aesar

    Synonym(s): Carbobenzoxy chloride, Chloroformic acid benzyl ester Formula: C8H7ClO2 Formula weight: 170.60 Purity: 95%, stab. with ca 0.1% sodium carbonate CAS Number: 501-53-1 UN Number: UN1739 Hazard Class: 8 Packing Group: I Harmonized Tariff Code:  2915.90 Hazard…

  • ^b-Cyclodextrin

    Alfa Aesar

    Formula: C42H70O35 Formula weight: 1134.98 CAS Number: 7585-39-9 Harmonized Tariff Code:  2940.00

  • Benzo[a]pyrene, 96%

    Alfa Aesar

    Synonym(s): 3,4-Benzopyrene Formula: C20H12 Formula weight: 252.30 Purity: 96% CAS Number: 50-32-8 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2902.90 Risk Phrases: 45-46-60-61-43-50/53 May cause cancer. May cause heritable genetic…

  • Benzene-d{6}, 99.5% (Isotopic)

    Alfa Aesar

    Formula: C6D6 Formula weight: 84.16 Purity: 99.5% (Isotopic) CAS Number: 1076-43-3 UN Number: UN1114 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225-H340-H350-H372-H304-H315-H319 Highly flammable liquid and vapour. May cause…

  • Barium chromate, Puratronic r, 99.998% (metals basis)

    Alfa Aesar

    Formula: BaCrO4 Formula weight: 253.33 Purity: 99.998% (metals basis) CAS Number: 10294-40-3 UN Number: UN1479 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2841.50 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if inhaled. Precautionary…

  • 2-Bromo-6-fluoroaniline, 98+%

    Alfa Aesar

    Formula: C6H5BrFN Formula weight: 190.01 Purity: 98+% CAS Number: 65896-11-9 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.42 Hazard Statements: H331-H302-H312-H315-H319 Toxic if inhaled. Harmful if swallowed. Harmful in contact with…

  • Boron trichloride, 1M soln. in dichloromethane, stab.

    Alfa Aesar

    Formula: BCl3 Formula weight: 117.17 CAS Number: 10294-34-5 UN Number: UN2927 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2812.10 Hazard Statements: H301-H331-H314-H351 Toxic if swallowed. Toxic if inhaled. Causes severe skin burns and eye damage. Suspected…

  • Bromophenol Blue sodium salt

    Alfa Aesar

    Synonym(s): Bromphenol Blue, water soluble Formula: C19H9Br4NaO5S Formula weight: 691.96 CAS Number: 34725-61-6 Harmonized Tariff Code:  2934.99 Safety Phrases: 22-24/25 Do not breathe dust. Avoid contact with skin and eyes.

  • 2,2'-Biquinoline, 98+%

    Alfa Aesar

    Synonym(s): Cuproin, 2,2'-Diquinolyl Formula: C18H12N2 Formula weight: 256.31 Purity: 98+% CAS Number: 119-91-5 Harmonized Tariff Code:  2933.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Bromocresol Green, ACS

    Alfa Aesar

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

  • 1-Bromo-2,3-difluorobenzene, 98%

    Alfa Aesar

    Synonym(s): 2,3-Difluorobromobenzene Formula: C6H3BrF2 Formula weight: 192.99 Purity: 98% CAS Number: 38573-88-5 Harmonized Tariff Code:  2903.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…

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