Reagents, E

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  • Ethyl propionate

    Alfa Aesar

    Synonym(s): Propionic acid ethyl ester Formula: CH3CH2CO2CH2CH3 Formula weight: 102.13 CAS Number: 105-37-3 UN Number: UN1195 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.50 Hazard Statements: H225 Highly flammable liquid and vapour. Precautionary…

  • Ethyl Orange sodium salt

    Alfa Aesar

    Synonym(s): 4-[4-(Diethylamino)phenylazo]benzenesulfonic acid sodium salt Formula: C16H18N3NaO3S Formula weight: 355.39 CAS Number: 62758-12-7 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Ethanol, Alcohol Reagent, anhydrous, denatured, ACS, 94-96%

    Alfa Aesar

    Formula: C2H6O Formula weight: 46.08 Purity: 94-96% CAS Number: 64-17-5 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2207.20 Hazard Statements: H225-H371 Highly flammable liquid and vapour. May cause damage to organs. Precautionary…

  • Ethyl Acetate, HPLC Grade, 99.5+%

    Alfa Aesar

    Formula: C4H8O2 Formula weight: 88.11 Purity: 99.5+% CAS Number: 141-78-6 UN Number: UN1173 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2915.31 Hazard Statements: H225-H319-H336 Highly flammable liquid and vapour. Causes serious eye irritation. May cause…

  • Ethylenediaminetetraacetic acid, 0.5M aq. soln, pH 8.0

    Alfa Aesar

    Synonym(s): EDTA Formula: C10H16N2O8 Formula weight: 292.24 CAS Number: 60-00-4 Harmonized Tariff Code:  2922.49

  • Ethanolamine, 98+%

    Alfa Aesar

    Synonym(s): 2-Aminoethanol, Monoethanolamine Formula: C2H7NO Formula weight: 61.08 Purity: 98+% CAS Number: 141-43-5 UN Number: UN2491 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2922.11 Hazard Statements: H314-H302-H312-H332-H227 Causes severe skin…

  • Evans Blue

    Alfa Aesar

    Synonym(s): C.I. 23860 Formula: C34H24N6Na4O14S4 Formula weight: 960.82 CAS Number: 314-13-6 Harmonized Tariff Code:  2927.00 Hazard Statements: H351 Suspected of causing cancer. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment as…

  • Ethyl 1-(hydroxymethyl)cyclopropanecarboxylate, 97%

    Alfa Aesar

    Synonym(s): 1-Hydroxymethyl-cyclopropanecarboxylic acid ethyl ester Formula: C7H12O3 Formula weight: 144.16 Purity: 97% CAS Number: 3697-68-5 Harmonized Tariff Code:  2918.19

  • Ethylenediaminetetraacetic acid disodium salt, 0.100N (0.050M) Standardized…

    Alfa Aesar

    Synonym(s): EDTA disodium salt Formula: (NaO2CCH2)2NCH2CH2N(CH2CO2H)2 Formula weight: 336.22 CAS Number: 139-33-3 Harmonized Tariff Code:  2922.49

  • Ethylenediaminetetraacetic acid, ACS, 99.4+%

    Alfa Aesar

    Synonym(s): Edetic acid, EDTA Formula: C10H16N2O8 Formula weight: 292.24 Purity: 99.4+% CAS Number: 60-00-4 Harmonized Tariff Code:  2922.49 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Ethylenediaminetetraacetic acid disodium salt, 0.200N (0.1M) Standardized…

    Alfa Aesar

    Synonym(s): EDTA disodium salt Formula: (NaO2CCH2)2NCH2CH2N(CH2CO2H)2 Formula weight: 336.22 CAS Number: 139-33-3 Harmonized Tariff Code:  2922.49

  • Eriochrome r Blue Black B

    Alfa Aesar

    Synonym(s): C.I. 14640, Mordant Black 3 Formula: C20H13N2NaO5S Formula weight: 416.39 CAS Number: 3564-14-5 Harmonized Tariff Code:  3204.12 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Endothall

    Alfa Aesar

    Synonym(s): 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid Formula: C8H10O5 Formula weight: 186.20 CAS Number: 145-73-3 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2932.19 Hazard Statements: H301-H312-H315-H319-H335 Toxic if swallowed.…

  • Ethylenediaminetetraacetic acid disodium magnesium salt hydrate

    Alfa Aesar

    Synonym(s): EDTA disodium magnesium salt hydrate Formula: C10H12MgN2Na2O8 xH2O Formula weight: 358.50(anhy) CAS Number: 14402-88-1 Harmonized Tariff Code:  2922.49

  • Everolimus

    Alfa Aesar

    Formula: C53H83NO14 Formula weight: 958.22 CAS Number: 159351-69-6 Harmonized Tariff Code:  2934.99 Hazard Statements: H372 Causes damage to organs through prolonged or repeated exposure. Precautionary Statements: P260-P264-P270-P314-P501a Do not breathe…

  • 2-Ethyltoluene, 98+%

    Alfa Aesar

    Formula: C9H12 Formula weight: 120.20 Purity: 98+% CAS Number: 611-14-3 UN Number: UN3295 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H304-H226 May be fatal if swallowed and enters airways. Flammable liquid and vapour. …

  • Ethyl 3-aminobenzoate, 98%

    Alfa Aesar

    Synonym(s): 3-Aminobenzoic acid ethyl ester Formula: C9H11NO2 Formula weight: 165.19 Purity: 98% CAS Number: 582-33-2 Harmonized Tariff Code:  2922.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Ethylene glycol-O,O'-bis(2-aminoethyl)-N,N,N',N'-tetraacetic acid, 0.5M aq. soln…

    Alfa Aesar

    Synonym(s): EGTA Formula: C14H24N2O10 Formula weight: 380.35 CAS Number: 67-42-5 Harmonized Tariff Code:  2922.49

  • Eosin Yellowish

    Alfa Aesar

    Synonym(s): Acid Red 87, C.I. 45380 Formula: C20H6Br4Na2O5 Formula weight: 691.86 CAS Number: 17372-87-1 Harmonized Tariff Code:  3204.12 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Ethyl 3-phenylglycidate, cis + trans, 90+%

    Alfa Aesar

    Synonym(s): 3-Phenylglycidic acid ethyl ester Formula: C11H12O3 Formula weight: 192.21 Purity: 90+% CAS Number: 121-39-1 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Ethanol, denatured, Spectrophotometric Grade, 90%, packaged under Argon in…

    Alfa Aesar

    Formula: C2H6O Formula weight: 46.08 Purity: 90%, packaged under Argon in resealable ChemSeal^t bottles CAS Number: 64-17-5 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2207.20 Hazard Statements: H225-H371 Highly flammable liquid and vapour.…

  • Erythrosin B

    Alfa Aesar

    Synonym(s): C.I. 45430, Tetraiodofluorescein sodium salt Formula: C20H6I4Na2O5 Formula weight: 879.87 CAS Number: 568-63-8 Harmonized Tariff Code:  3204.12 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly…

  • Ethylbenzene, 99%

    Alfa Aesar

    Formula: C8H10 Formula weight: 106.17 Purity: 99% CAS Number: 100-41-4 UN Number: UN1175 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.60 Hazard Statements: H225-H332 Highly flammable liquid and vapour. Harmful if inhaled. Precautionary Statements: …

  • Eserine

    Alfa Aesar

    Synonym(s): Physostigmine Formula: C15H21N3O2 Formula weight: 275.35 CAS Number: 57-47-6 UN Number: UN1544 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2939.99 Hazard Statements: H300-H330 Fatal if swallowed. Fatal if inhaled. Precautionary Statements: …

  • Ethanol, anhydrous, denatured, Spectrophotometric Grade, 90%, 5% methanol, 5%…

    Alfa Aesar

    Formula: C2H6O Formula weight: 46.08 Purity: 90%, 5% methanol, 5% isopropanol CAS Number: 64-17-5 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2207.20 Hazard Statements: H225-H371 Highly flammable liquid and vapour. May cause damage to…

  • 5'-N-Ethylcarboxamidoadenosine

    Alfa Aesar

    Synonym(s): NECA Formula: C12H16N6O4 Formula weight: 308.29 CAS Number: 35920-39-9 UN Number: UN2811 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2934.99 Hazard Statements: H300 Fatal if swallowed. Precautionary Statements: …

  • Ethylene glycol, 99%

    Alfa Aesar

    Synonym(s): 1,2-Dihydroxyethane, 1,2-Ethanediol Formula: C2H6O2 Formula weight: 62.07 Purity: 99% CAS Number: 107-21-1 Harmonized Tariff Code:  2905.31 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly…

  • Ethylhydrocupreine hydrochloride, 97%

    Alfa Aesar

    Synonym(s): Optochin hydrochloride, Numoquin hydrochloride Formula: C21H26N2O2 HCl Formula weight: 374.91 Purity: 97% CAS Number: 3413-58-9 Harmonized Tariff Code:  2939.99

  • Eugenol, 99%

    Alfa Aesar

    Synonym(s): 4-Allyl-2-methoxyphenol, 4-Allylguaiacol Formula: C10H12O2 Formula weight: 164.21 Purity: 99% CAS Number: 97-53-0 Harmonized Tariff Code:  2909.50 Hazard Statements: H301-H315-H319-H317 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May…

  • Ethylenediaminetetraacetic acid disodium salt dihydrate, ACS, 99.0-101.0%

    Alfa Aesar

    Synonym(s): EDTA disodium salt dihydrate Formula: (NaO2CCH2)2NCH2CH2N(CH2CO2H)2 2H2O Formula weight: 372.24 (336.22anhy) Purity: 99.0-101.0% CAS Number: 6381-92-6 Harmonized Tariff Code:  2922.49

  • Ethyltriphenylphosphonium iodide, 98+%

    Alfa Aesar

    Formula: CH3CH2P(C6H5)3I Formula weight: 418.26 Purity: 98+% CAS Number: 4736-60-1 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H301-H318-H312-H335 Toxic if swallowed. Causes serious eye damage. Harmful in…

  • Enoxacin

    Alfa Aesar

    Synonym(s): Penetrex r The Clorox Company, Bactidan Formula: C15H17FN4O3 Formula weight: 320.32 CAS Number: 74011-58-8 Harmonized Tariff Code:  2933.59

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