Reagents, E

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  • Ethyl 3-methyl-4H-1,4-benzothiazine-2-carboxylate, 98%

    Alfa Aesar

    Synonym(s): 3-Methyl-4H-1,4-benzothiazine-2-carboxylic acid ethyl ester Formula: C12H13NO2S Formula weight: 235.31 Purity: 98% CAS Number: 7625-01-6 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • 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…

  • Ethanol, anhydrous, denatured, HPLC Grade, 90%, 5% methanol, 5% isopropanol

    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…

  • Ethyl acetate, 99%

    Alfa Aesar

    Synonym(s): Acetic acid ethyl ester Formula: C4H8O2 Formula weight: 88.11 Purity: 99% 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…

  • Eriochrome Black T

    Alfa Aesar

    Synonym(s): C.I. 14645, Mordant Black 11 Formula: C20H12N3NaO7S Formula weight: 461.39 CAS Number: 1787-61-7 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 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

  • Ethyl hexafluoroglutaryl chloride, 97%

    Alfa Aesar

    Synonym(s): 4-Carboethoxyhexafluorobutyryl chloride, Hexafluoroglutaric acid monoethyl ester chloride Formula: C7H5ClF6O3 Formula weight: 286.56 Purity: 97% CAS Number: 18381-53-8 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.19 Hazard…

  • Ethylene glycol dimethacrylate, 98%, stab. with 100ppm 4-methoxyphenol

    Alfa Aesar

    Synonym(s): Ethylene dimethacrylate Formula: C10H14O4 Formula weight: 198.21 Purity: 98%, stab. with 100ppm 4-methoxyphenol CAS Number: 97-90-5 Harmonized Tariff Code:  2916.14 Hazard Statements: H317-H335 May cause an allergic skin reaction. May cause respiratory irritation. …

  • Ethylenediamine, 99%

    Alfa Aesar

    Synonym(s): 1,2-Diaminoethane, 1,2-Ethanediamine Formula: C2H8N2 Formula weight: 60.10 Purity: 99% CAS Number: 107-15-3 UN Number: UN1604 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2921.21 Hazard Statements: H334-H314-H226-H302-H312-H317 May cause…

  • 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

  • Ethylene glycol-O,O'-bis(2-aminoethyl)-N,N,N',N'-tetraacetic acid, 97%

    Alfa Aesar

    Synonym(s): EGTA, Ethylenebis(oxyethylenenitrilo)tetraacetic acid Formula: C14H24N2O10 Formula weight: 380.35 Purity: 97% 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 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…

  • Ethyl cyanoacetate, 98+%

    Alfa Aesar

    Synonym(s): Cyanoacetic acid ethyl ester Formula: C5H7NO2 Formula weight: 113.12 Purity: 98+% CAS Number: 105-56-6 Harmonized Tariff Code:  2926.90 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P261-P305+P351+P338 Avoid breathing…

  • 1,2-Ethanedithiol, 98+%

    Alfa Aesar

    Synonym(s): 1,2-Dimercaptoethane Formula: HSCH2CH2SH Formula weight: 94.20 Purity: 98+% CAS Number: 540-63-6 UN Number: UN3071 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H311-H330-H226-H302-H319 Toxic in contact with skin.…

  • 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

  • Ethyl 5-bromoindole-2-carboxylate, 97%

    Alfa Aesar

  • 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

  • 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…

  • Europium(III) oxide, REacton r, 99.996% (REO)

    Alfa Aesar

    Formula: Eu2O3 Formula weight: 351.92 Purity: 99.996% (REO) CAS Number: 1308-96-9 Harmonized Tariff Code:  2846.90

  • Europium(III) nitrate hexahydrate, REacton r, 99.9% (REO)

    Alfa Aesar

    Formula: Eu(NO3)3 6H2O Formula weight: 446.06 (337.97anhy) Purity: 99.9% (REO) CAS Number: 10031-53-5 UN Number: UN1477 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2846.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin…

  • Ethyl decanoate, 99%

    Alfa Aesar

    Synonym(s): Ethyl caprate, Ethyl caprate Formula: CH3(CH2)8CO2CH2CH3 Formula weight: 200.32 Purity: 99% CAS Number: 110-38-3 Harmonized Tariff Code:  2915.90

  • Ethyl 3,4,5-trimethoxybenzoate, 98%

    Alfa Aesar

    Synonym(s): 3,4,5-Trimethoxybenzoic acid ethyl ester Formula: C12H16O5 Formula weight: 240.26 Purity: 98% CAS Number: 6178-44-5 Harmonized Tariff Code:  2918.99

  • 2-(Diethylamino)ethyl chloride hydrochloride, 98+%

    Alfa Aesar

    Synonym(s): N-(2-Chloroethyl)diethylamine hydrochloride, 2-Chloro-N,N-diethylethylamine hydrochloride Formula: C6H15ClN HCl Formula weight: 172.10 Purity: 98+% CAS Number: 869-24-9 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2921.19 …

  • 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…

  • Ethyl 2-oxopyrrolidine-4-carboxylate, 96%

    Alfa Aesar

  • Ethyl nitroacetate, 97%

    Alfa Aesar

    Synonym(s): Nitroacetic acid ethyl ester Formula: C4H7NO4 Formula weight: 133.11 Purity: 97% CAS Number: 626-35-7 Harmonized Tariff Code:  2915.90 Hazard Statements: H315-H319-H227 Causes skin irritation. Causes serious eye irritation. Combustible liquid. Precautionary…

  • Ethanolamine, 99%, H{2}O 0.5% max

    Alfa Aesar

    Formula: HOCH2CH2NH2 Formula weight: 61.08 Purity: 99%, H{2}O 0.5% max CAS Number: 141-43-5 UN Number: UN2491 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2922.11 Hazard Statements: H314-H318-H302-H312-H332-H227 Causes severe skin burns and eye damage.…

  • Ethyl 3-ethyl-5-methylisoxazole-4-carboxylate, 98%

    Alfa Aesar

    Synonym(s): 3-Ethyl-5-methylisoxazole-4-carboxylic acid ethyl ester Formula: C9H13NO3 Formula weight: 183.21 Purity: 98% CAS Number: 53064-41-8 Harmonized Tariff Code:  2934.99

  • 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 98+%

    Alfa Aesar

    Synonym(s): EDAC, EDCI Formula: C8H17N3 HCl Formula weight: 191.70 Purity: 98+% CAS Number: 25952-53-8 Harmonized Tariff Code:  2925.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 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.…

  • 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

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