Alfa Aesar

Reagents, B, Alfa Aesar

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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: …

  • 4-Bromoaniline, 98+%

    Alfa Aesar

    Formula: C6H6BrN Formula weight: 172.03 Purity: 98+% CAS Number: 106-40-1 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.42 Hazard Statements: H311-H373-H302-H332-H315-H319 Toxic in contact with skin. May cause damage to organs through…

  • 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

  • Bismuth hydroxide nitrate oxide, Bi{2}O{3} 79% min

    Alfa Aesar

    Synonym(s): Bismuth subnitrate Formula: Bi5O(OH)9(NO3)4 (approximate) Formula weight: 1461.98 CAS Number: 1304-85-4 UN Number: UN1477 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer.…

  • 4-n-Butylbenzoic acid, 99%

    Alfa Aesar

    Formula: C11H14O2 Formula weight: 178.23 Purity: 99% CAS Number: 20651-71-2 Harmonized Tariff Code:  2916.39 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Bovine Serum Albumin, 1mg/ml

    Alfa Aesar

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

  • 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.…

  • Bis(2-chloroethyl) ether, 99%

    Alfa Aesar

    Synonym(s): 2-Chloroethyl ether, 2,2'-Dichlorodiethyl ether Formula: C4H8Cl2O Formula weight: 143.01 Purity: 99% CAS Number: 111-44-4 UN Number: UN1916 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2909.19 Hazard Statements: H300-H310-H330-H226-H351 Fatal…

  • Benzethonium chloride, 97%

    Alfa Aesar

    Synonym(s): Hyamine 1622, Phemerol chloride Formula: C27H42ClNO2 Formula weight: 448.10 Purity: 97% CAS Number: 121-54-0 UN Number: UN1759 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2923.90 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes…

  • Bismuth(III) oxide, Puratronic r, 99.9995% (metals basis)

    Alfa Aesar

    Formula: Bi2O3 Formula weight: 465.96 Purity: 99.9995% (metals basis) CAS Number: 1304-76-3 Harmonized Tariff Code:  2825.90

  • 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…

  • 5-(Boc-amino)-1-pentanol, 96%

    Alfa Aesar

    Synonym(s): 5-(tert-Butoxycarbonylamino)-1-pentanol Formula: C10H21NO3 Formula weight: 203.28 Purity: 96% CAS Number: 75178-90-4 Harmonized Tariff Code:  2924.19

  • 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…

  • 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

  • Benzophenone, 99%

    Alfa Aesar

    Synonym(s): Diphenyl ketone Formula: C13H10O Formula weight: 182.22 Purity: 99% CAS Number: 119-61-9 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2914.39 Risk Phrases: 50/53 Very toxic to aquatic organisms, may cause long-term adverse…

  • 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…

  • 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.…

  • 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.…

  • Bacitracin

    Alfa Aesar

    Formula: C66H103N17O16S Formula weight: 1421.60 CAS Number: 1405-87-4 Harmonized Tariff Code:  2941.90

  • Big Endothelin-1 (1-38), human

    Alfa Aesar

    Formula: C189H282N48O56S5 Formula weight: 4282.86 CAS Number: 120796-97-6 Harmonized Tariff Code:  2933.29

  • 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.

  • 6-Benzyladenine, 99%

    Alfa Aesar

    Synonym(s): 6-Benzylaminopurine Formula: C12H11N5 Formula weight: 225.26 Purity: 99% CAS Number: 1214-39-7 Harmonized Tariff Code:  2933.59 Risk Phrases: 22 Harmful if swallowed. Safety Phrases: 36 Wear suitable protective clothing.

  • tert-Butyllithium, nominally 1.5M in n-pentane

    Alfa Aesar

    Formula: C15H29NOSn Formula weight: 358.11 Purity: 97% CAS Number: 145214-05-7 UN Number: UN2788 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H372-H312-H315-H319 Toxic if swallowed. Causes damage to organs through prolonged…

  • (^+)-2-Butanol, 99%

    Alfa Aesar

    Synonym(s): sec-Butyl alcohol Formula: CH3CH2CH(OH)CH3 Formula weight: 74.12 Purity: 99% CAS Number: 78-92-2 UN Number: UN1120 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.14 Hazard Statements: H226-H319-H335-H336 Flammable liquid and vapour. Causes…

  • 2-Bromo-5-fluoropyridine, 98%

    Alfa Aesar

    Formula: C5H3BrFN Formula weight: 175.99 Purity: 98% CAS Number: 41404-58-4 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H311-H332-H315-H319-H335 Toxic if swallowed. Toxic in contact with skin. Harmful if…

  • Barium pieces, 2.5cm (1in) & down, 99.2% (metals basis), Sr <0.8%

    Alfa Aesar

    Purity: 99.2% (metals basis), Sr CAS Number: 7440-39-3 UN Number: UN1400 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  2805.19 Hazard Statements: H228-H261 Flammable solid. In contact with water releases flammable gas. Precautionary Statements: …

  • Barium acetate, Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Synonym(s): Acetic acid barium salt Formula: C4H6BaO4 Formula weight: 255.43 Purity: 99.999% (metals basis) CAS Number: 543-80-6 UN Number: UN1564 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2915.29 Hazard Statements: H302-H332 Harmful if swallowed.…

  • 1-Bromo-2-ethylbutane, 97%

    Alfa Aesar

    Synonym(s): 3-(Bromomethyl)pentane Formula: (CH3CH2)2CHCH2Br Formula weight: 165.07 Purity: 97% CAS Number: 3814-34-4 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2903.39 Hazard Statements: H226 Flammable liquid and vapour. Risk…

  • 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…

  • (1S,2S)-(+)-2-Benzyloxycyclopentylamine, ChiPros 99+%, ee 99%

    Alfa Aesar

    Synonym(s): (1S,2S)-1-Amino-2-benzyloxycyclopentane, (1S-trans)-2-(Phenylmethoxy)cyclopentanamine Formula: C12H17NO Formula weight: 191.27 CAS Number: 181657-57-8 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2922.19 Hazard Statements: …

  • 4-Bromo-3-chlorophenol, 98%

    Alfa Aesar

    Formula: C6H4BrClO Formula weight: 207.46 Purity: 98% CAS Number: 13631-21-5 Harmonized Tariff Code:  2908.19 Hazard Statements: H302-H312-H315-H319-H335 Harmful if swallowed. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 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: …

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