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Our product line of metals and alloys range from aluminum to zirconium, featuring purities up to 99.9999%.

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Alfa Aesar™ Thallium(III) chloride hydrate

Chemical Name or Material: Thallium(III) chloride hydrate CAS: 13453-33-3 Formula Weight: 310.73 (Anhydrous) MDL Number: MFCD00049600 UN Number: UN1707 Synonym: Thallic chloride

Alfa Aesar™ 3,5-Dihydroxybenzoic acid, 98%

Chemical Name or Material: 3,5-Dihydroxybenzoic acid CAS: 99-10-5 Molecular Formula: C7H6O4 Formula Weight: 154.12 MDL Number: MFCD00002512 Beilstein: 2207864 Synonym: alpha-Resorcylic acid

Alfa Aesar™ Platinum (0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex, soln. in vinyl terminated polydimethylsiloxane

Chemical Name or Material: Platinum (0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex CAS: 68478-92-2 Name Note: Soln. in vinyl terminated polydimethylsiloxane Formula Weight: 474.68 MDL Number: MFCD00151662

Alfa Aesar™ Stainless Steel wire, 0.25mm (0.01 in.) dia., annealed, Type 304

Chemical Name or Material: Stainless Steel wire, Type 304 Name Note: 0.25mm (0.01 in.) dia., Annealed, Temper: soft MDL Number: MFCD00148499

Alfa Aesar™ 1H-Indazole, 99%

Chemical Name or Material: 1H-Indazole CAS: 271-44-3 Molecular Formula: C7H6N2 Formula Weight: 118.14 MDL Number: MFCD00005691 Beilstein: 109676 Merck Index: 14,4936 Synonym: 1H-Benzopyrazole

Alfa Aesar™ Imide-extended bismaleimide, powder, BMI-3000

Chemical Name or Material: Imide-extended bismaleimide CAS: 921213-77-6 Name Note: BMI-3000

Alfa Aesar™ Desoxybenzoin p-toluenesulfonylhydrazone, 97%

Chemical Name or Material: Desoxybenzoin p-toluenesulfonylhydrazone CAS: 19816-85-4 Molecular Formula: C21H20N2O2S Formula Weight: 364.46 MDL Number: MFCD06411289 Synonym: Desoxybenzoin tosylhydrazone; p-Toluenesulfonic acid (1,2-diphenylethylidene)hydrazide

Alfa Aesar™ Dodecanoic acid, 98%

Chemical Name or Material: Dodecanoic acid CAS: 143-07-7 Molecular Formula: CH3(CH2)10CO2H Formula Weight: 200.32 MDL Number: MFCD00002736 Beilstein: 1099477 Merck Index: 14,5384 Synonym: Lauric acid

Alfa Aesar™ 2-Fluorophenol, 98%

Chemical Name or Material: 2-Fluorophenol CAS: 367-12-4 Molecular Formula: C6H5FO Formula Weight: 112.1 MDL Number: MFCD00002155 UN Number: UN2924 Beilstein: 1905112

Calcium, AAS standard solution, Specpure™, Ca 1000μg/mL, Alfa Aesar™

Chemical Name or Material: Calcium CAS: 7697-37-2 CAS: 471-34-1 CAS: 7732-18-5 Physical Form: Liquid Molecular Formula: CaCO3 in 5% HNO3 MDL Number: MFCD00085314

Alfa Aesar™ Palladium(II) trimethylacetate

Chemical Name or Material: Palladium(II) trimethylacetate CAS: 106224-36-6 Linear Formula: [(CH3)3CCO2]2Pd Formula Weight: 308.67 MDL Number: MFCD16038138 Synonym: Palladium(II) pivalate; 2,2-Dimethylpropionic acid palladium(II) salt

Sodium thiosulfate, 0.1N Standardized Solution, Alfa Aesar™

Chemical Name or Material: Sodium thiosulfate CAS: 7772-98-7 Physical Form: Liquid Molecular Formula: Na2O3S2 MDL Number: MFCD00003499

Alfa Aesar™ L-Leucyl diphenylborinate, 95%

Chemical Name or Material: L-Leucyl diphenylborinate Molecular Formula: C18H22BNO2 Formula Weight: 295.19 MDL Number: MFCD22125182 Synonym: Diphenylborinic acid L-leucyl ester

Alfa Aesar™ 6-Aminopenicillanic acid, 98%

Chemical Name or Material: 6-Aminopenicillanic acid CAS: 551-16-6 Molecular Formula: C8H12N2O3S Formula Weight: 216.26 MDL Number: MFCD00005176 Beilstein: 15080 Merck Index: 14,458 Synonym: 6-APA

Alfa Aesar™ Zinc acrylate

Chemical Name or Material: Zinc acrylate CAS: 14643-87-9 Formula Weight: 207.5 MDL Number: MFCD00067208 UN Number: UN3077

Alfa Aesar™ Cadmium sulfide, 99.99% (metals basis)

Chemical Name or Material: Cadmium sulfide CAS: 1306-23-6 Formula Weight: 144.46 MDL Number: MFCD00010922 UN Number: UN3077 Merck Index: 14,1628

Alfa Aesar™ Octafluoronaphthalene, 96%

Chemical Name or Material: Octafluoronaphthalene CAS: 313-72-4 Molecular Formula: C10F8 Formula Weight: 272.1 MDL Number: MFCD00014307 Beilstein: 1915630 Synonym: Perfluoronaphthalene

Alfa Aesar™ Zirconium(IV) oxide, 99.7% (metals basis excluding Hf), Hf <75ppm

Chemical Name or Material: Zirconium(IV) oxide CAS: 1314-23-4 Formula Weight: 123.22 MDL Number: MFCD00011310 Merck Index: 14,10180

Alfa Aesar™ N-Butyldeoxynojirimycin, 98%

Chemical Name or Material: N-Butyldeoxynojirimycin CAS: 72599-27-0 Molecular Formula: C10H21NO4 Formula Weight: 219.28 MDL Number: MFCD00272581 Merck Index: 14,6188

Alfa Aesar™ N-Fmoc-D-aspartic acid 1-tert-butyl ester, 95%

Chemical Name or Material: N-Fmoc-D-aspartic acid 1-tert-butyl ester CAS: 134098-70-7 Molecular Formula: C23H25NO6 Formula Weight: 411.45 MDL Number: MFCD00237011 Synonym: Fmoc-D-Asp-Otbu

Stainless-Steel wire, annealed, Alfa Aesar™

Chemical Name or Material: Stainless Steel Name Note: annealed, Type 304 Physical Form: Wire, 0.38mm (0.015 in.) dia. Molecular Formula: Fe:Cr:Ni; 70:19:11 wt% MDL Number: MFCD00148499

Alfa Aesar™ Strontium 2-ethylhexanoate, 40% in 2-ethylhexanoic acid (8-12% Sr)

Chemical Name or Material: Strontium 2-ethylhexanoate CAS: 2457-02-5 Formula Weight: 374.04 MDL Number: MFCD00070438 Synonym: 2-Ethylhexanoic acid strontium salt

Alfa Aesar™ 4-Methoxy-2-nitroaniline, 99%

Chemical Name or Material: 4-Methoxy-2-nitroaniline CAS: 96-96-8 Molecular Formula: C7H8N2O3 Formula Weight: 168.15 MDL Number: MFCD00007152 UN Number: UN2811 Beilstein: 880318 Synonym: 4-Amino-3-nitroanisole; 2-Nitro-p-anisidine

Alfa Aesar™ 2-Phenylpropylamine hydrochloride, ≥98%

Chemical Name or Material: 2-Phenylpropylamine hydrochloride CAS: 20388-87-8 Formula Weight: 171.67 MDL Number: MFCD01708026 Synonym: β-Methylphenylamine hydrochloride

Alfa Aesar™ Gadolinium foil. 0.075mm (0.003 in.) thick, REacton™, 99.9% (REO)

Chemical Name or Material: Gadolinium foil. 0.075mm (0.003in) thick CAS: 7440-54-2 Purity Grade: Reacton™ MDL Number: MFCD00011022 UN Number: UN3178

Alfa Aesar™ trans-4-Hydroxy-3-methoxycinnamic acid, 99%

Chemical Name or Material: trans-4-Hydroxy-3-methoxycinnamic acid CAS: 537-98-4 Molecular Formula: C10H10O4 Formula Weight: 194.19 MDL Number: MFCD00004400 Beilstein: 1371483 Merck Index: 14,4062 Synonym: Ferulic acid

Alfa Aesar™ Potassium cubes, 99.5% (metals basis)

Chemical Name or Material: Potassium cubes CAS: 7440-09-7 MDL Number: MFCD00133776 UN Number: UN2257

Alfa Aesar™ Brass foil, alloy 260, 1.0mm (0.04 in.) thick

Chemical Name or Material: Brass foil, Alloy 260 Name Note: 1.0mm (0.04 in.) thick MDL Number: MFCD00171255

Antimony(III) chloride, White crystalline, 99.99% (Metals basis), Alfa Aesar™

Chemical Name or Material: Antimony(III) chloride CAS: 10025-91-9 Physical Form: Crystals Assay Percent Range: 99.99% (Metals basis) Molecular Formula: Cl3Sb Formula Weight: 228.11 MDL Number: MFCD00011212

Alfa Aesar™ 4-Iodobenzaldehyde, 98+%

Chemical Name or Material: 4-Iodobenzaldehyde CAS: 15164-44-0 Molecular Formula: C7H5IO Formula Weight: 232.02 MDL Number: MFCD00039576 Beilstein: 636101

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Alfa Aesar, now part of Thermo Fisher Scientific, offers leading manufacturer and supplier services for research chemicals, metals and materials in a wide span of applications. 

For more than 50 years, scientists have relied on us to supply high-purity raw materials for a variety of research and development applications. Today we offer over 46,000 products in stock, in sizes from gram-scale catalog items to semi-bulk and bulk production quantities. 

With custom manufacturing capabilities to supply many more specialized items, we are a one-stop source for research chemicals, metals and materials.