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  • Bathocuproin sulfonate disodium salt hydrate, 97%

    Alfa Aesar

    Synonym(s): Bathocuproin sulfonate, 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline disulfonic acid disodium salt Formula: C26H18N2Na2O6S2 xH2O Formula weight: 564.55(anhy) Purity: 97% CAS Number: 52698-84-7 Harmonized Tariff Code:  2933.99

  • Benzanilide, 98+%

    Alfa Aesar

    Synonym(s): N-Benzoylaniline, N-Phenylbenzamide Formula: C6H5NHCOC6H5 Formula weight: 197.24 Purity: 98+% CAS Number: 93-98-1 Harmonized Tariff Code:  2924.29

  • Bromocresol Green, ACS

    Alfa Aesar

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

  • 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.…

  • 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…

  • Bromotriphenylmethane, 98%

    Alfa Aesar

    Synonym(s): Triphenylmethylbromide, Trityl bromide Formula: BrC(C6H5)3 Formula weight: 323.24 Purity: 98% CAS Number: 596-43-0 UN Number: UN1759 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318 Causes severe skin burns and…

  • 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…

  • 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…

  • 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

  • 1-Bromoadamantane, 99%

    Alfa Aesar

    Synonym(s): 1-Adamantyl bromide Formula: C10H15Br Formula weight: 215.14 Purity: 99% CAS Number: 768-90-1 Harmonized Tariff Code:  2903.89

  • Benzalkonium chloride

    Alfa Aesar

    Synonym(s): Alkylbenzyldimethylammonium chloride Formula: C6H5CH2N(CH3)2RCl CAS Number: 63449-41-2 UN Number: UN2923 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3402.12 Hazard Statements: H314-H318-H302-H312 Causes severe skin burns and eye damage. Causes…

  • 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…

  • 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: …

  • Boron oxide, 97.5% min, typically 98.5%

    Alfa Aesar

    Synonym(s): Boric anhydride Formula: B2O3 Formula weight: 69.62 Purity: 97.5% min, typically 98.5% CAS Number: 1303-86-2 Harmonized Tariff Code:  2810.00 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P201-P308+P313 Obtain special…

  • 3-Bromothioanisole, 98%

    Alfa Aesar

    Synonym(s): 3-Bromophenyl methyl sulfide Formula: C7H7BrS Formula weight: 203.11 Purity: 98% CAS Number: 33733-73-2 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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…

  • Bromothymol Blue, ACS

    Alfa Aesar

    Formula: C27H28Br2O5S Formula weight: 624.39 CAS Number: 76-59-5 Harmonized Tariff Code:  2934.99

  • 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.…

  • 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 diphenylamine-4-sulfonate

    Alfa Aesar

    Synonym(s): Diphenylamine-4-sulfonic acid barium salt Formula: C24H20BaN2O6S2 Formula weight: 633.90 CAS Number: 6211-24-1 UN Number: UN1564 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.44 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if…

  • Bromocresol Green sodium salt, ACS

    Alfa Aesar

    Synonym(s): Bromocresol Green, water soluble Formula: C21H13Br4NaO5S Formula weight: 720.02 CAS Number: 62625-32-5 Harmonized Tariff Code:  2914.70

  • 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.…

  • 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: …

  • Bromophenol Blue

    Alfa Aesar

    Synonym(s): Bromphenol Blue Formula: C19H10Br4O5S Formula weight: 669.98 CAS Number: 115-39-9 Harmonized Tariff Code:  2934.99

  • Barium sulfate, precipitated, 99%

    Alfa Aesar

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

  • tert-Butyl hydrogen succinate, 97%

    Alfa Aesar

  • Benzyl benzoate, 99+%

    Alfa Aesar

    Synonym(s): Benzoic acid benzyl ester Formula: C14H12O2 Formula weight: 212.25 Purity: 99+% CAS Number: 120-51-4 UN Number: UN3082 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2916.31 Hazard Statements: H302 Harmful if swallowed. Precautionary…

  • Bis(trimethylsiloxy)methylsilane, 97%

    Alfa Aesar

    Synonym(s): 1,1,1,3,5,5,5-Heptamethyltrisiloxane Formula: C7H22O2Si3 Formula weight: 222.51 Purity: 97% CAS Number: 1873-88-7 UN

  • 4-Bromo-2-chloro-5-fluorobenzoic acid, 98%

    Alfa Aesar

    Formula: C7H3BrClFO2 Formula weight: 253.45 Purity: 98% CAS Number: 177480-81-8 Harmonized Tariff Code:  2916.39 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37-60 In case of contact with eyes, rinse immediately with plenty of water…

  • 2-Bromopyridine-4-carboxamide, 97%

    Alfa Aesar

    Synonym(s): 2-Bromoisonicotinamide Formula: C6H5BrN2O Formula weight: 201.02 Purity: 97% CAS Number: 29840-73-1 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • BSA blocking buffer, 3% in PBS, with 0.05% Tween-20

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • 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…

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