Reagents, E

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  • 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…

  • Earle's Balanced Salts Solution (10X)

    Alfa Aesar

  • Ethylenediaminetetraacetic acid disodium salt dihydrate, 99+%

    Alfa Aesar

    Synonym(s): EDTA disodium salt dihydrate Formula: C10H14N2Na2O8 2H2O Formula weight: 372.24 (336.22anhy) Purity: 99+% CAS Number: 6381-92-6 Harmonized Tariff Code:  2922.49

  • 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…

  • 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…

  • 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…

  • 3'-Ethoxyacetanilide, 99+%

    Alfa Aesar

    Synonym(s): 3-Acetophenetidide Formula: C10H13NO2 Formula weight: 179.22 Purity: 99+% CAS Number: 591-33-3 Harmonized Tariff Code:  2924.29 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly after handling.…

  • 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

  • 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…

  • endo-N-Hydroxy-5-norbornene-2,3-dicarboximide, 97%

    Alfa Aesar

    Synonym(s): HONB, endo-N-Hydroxybicyclo[2.2.1]hept-5-ene-2,3-dicarboximide Formula: C9H9NO3 Formula weight: 179.18 Purity: 97% CAS Number: 21715-90-2 Harmonized Tariff Code:  2925.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • 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

  • Etoposide

    Alfa Aesar

    Formula: C29H32O13 Formula weight: 588.56 CAS Number: 33419-42-0 Harmonized Tariff Code:  2938.90 Hazard Statements: H350-H302 May cause cancer. Harmful if swallowed. Precautionary Statements: P281-P264-P301+P312-P308+P313-P405-P501a Use personal protective equipment as required.…

  • 2-(2-Ethoxyethoxy)ethyl bromide, 98%, stab. with potassium carbonate

    Alfa Aesar

    Synonym(s): 1-(2-Bromoethoxy)-2-ethoxyethane Formula: CH3CH2OCH2CH2OCH2CH2Br Formula weight: 197.08 Purity: 98%, stab. with potassium carbonate CAS Number: 54550-36-6 Harmonized Tariff Code:  2909.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • ^e-Caprolactone, 99%

    Alfa Aesar

    Synonym(s): 6-Hexanolactone, 2-Oxepanone Formula: C6H10O2 Formula weight: 114.14 Purity: 99% CAS Number: 502-44-3 Harmonized Tariff Code:  2932.20 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin irritation. …

  • 3-(Ethoxycarbonyl)phenyl isocyanate, 97%

    Alfa Aesar

    Synonym(s): 3-Carboethoxyphenyl isocyanate, Ethyl 3-isocyanatobenzoate Formula: C10H9NO3 Formula weight: 191.19 Purity: 97% CAS Number: 67531-68-4 UN Number: UN2206 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2929.10 Hazard Statements: …

  • Ethanolamine hydrochloride, 98+%

    Alfa Aesar

    Synonym(s): 2-Aminoethanol hydrochloride, 2-Hydroxyethylamine hydrochloride Formula: HOCH2CH2NH2 HCl Formula weight: 97.55 Purity: 98+% CAS Number: 2002-24-6 Harmonized Tariff Code:  2922.11 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye 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.…

  • Ethyl 4,4-difluorocyclohexanecarboxylate, 97%

    Alfa Aesar

    Synonym(s): 4,4-Difluorocyclohexanecarboxylic acid ethyl ester Formula: C9H14F2O2 Formula weight: 192.21 Purity: 97% CAS Number: 178312-47-5 Harmonized Tariff Code:  2916.20

  • Esculin sesquihydrate

    Alfa Aesar

    Synonym(s): 6,7-Dihydroxycoumarin-6-glucoside Formula: C15H16O9 1.5H2O Formula weight: 367.31 (340.29anhy) CAS Number: 66778-17-4 Harmonized Tariff Code:  2938.90

  • 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…

  • 2-Ethyl-1-hexanol, 99%

    Alfa Aesar

    Synonym(s): Isooctanol Formula: C8H18O Formula weight: 130.23 Purity: 99% CAS Number: 104-76-7 Harmonized Tariff Code:  2905.16 Hazard Statements: H315-H319-H227 Causes skin irritation. Causes serious eye irritation. Combustible liquid. Precautionary Statements: …

  • Ethanol, anhydrous, denatured, HPLC 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.…

  • 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

  • (-)-Epigallocatechin gallate

    Alfa Aesar

    Synonym(s): EGCG, 3-O-Gallate Formula: C22H18O11 Formula weight: 458.40 CAS Number: 989-51-5 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 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

  • Ethylene glycol diacetate, 97%

    Alfa Aesar

    Synonym(s): 1,2-Diacetoxyethane, Glycol diacetate Formula: CH3CO2CH2CH2O2CCH3 Formula weight: 146.14 Purity: 97% CAS Number: 111-55-7 Harmonized Tariff Code:  2915.39 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause…

  • Ethylene glycol bis-p-toluenesulfonate, 97%

    Alfa Aesar

    Synonym(s): Ethylene glycol ditosylate Formula: C16H18O6S2 Formula weight: 370.45 Purity: 97% CAS Number: 6315-52-2 Harmonized Tariff Code:  2904.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Erbium(III) oxide, REacton r, 99.9% (REO)

    Alfa Aesar

    Formula: Er2O3 Formula weight: 382.56 Purity: 99.9% (REO) CAS Number: 12061-16-4 Harmonized Tariff Code:  2846.90 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye…

  • 2-Ethoxyethanol, 99%

    Alfa Aesar

    Synonym(s): Cellosolve, Ethylene glycol monoethyl ether Formula: C4H10O2 Formula weight: 90.12 Purity: 99% CAS Number: 110-80-5 UN Number: UN1171 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2909.44 Hazard Statements: H360-H226-H302-H312-H332 May damage…

  • 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…

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