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Alfa Aesar is a supplier of choice for chemicals and metals for research and development.

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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™ Sodium hydroxide, pellets, 98%

CAS: 1310-73-2 Molecular Formula: HNaO Molecular Weight (g/mol): 39.997 MDL Number: MFCD00003548 InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M PubChem CID: 14798 ChEBI: CHEBI:32145

Sodium hexametaphosphate, Technical grade, Alfa Aesar™

CAS: 10124-56-8 Molecular Formula: Na6O18P6 MDL Number: MFCD00136045 Synonym: Sodium metaphosphate

Alfa Aesar™ Auramine O, 80% dye content

CAS: 2465-27-2 Molecular Formula: C17H22ClN3 Molecular Weight (g/mol): 303.834 MDL Number: MFCD00012484 InChI Key: KSCQDDRPFHTIRL-UHFFFAOYSA-N Synonym: C.I. 41000 PubChem CID: 17170 ChEBI: CHEBI:51876

Alfa Aesar™ Cobalt(II) chloride hexahydrate, 98%

CAS: 7791-13-1 Molecular Formula: Cl2Co·6H2O MDL Number: MFCD00149652 Synonym: Cobaltous chloride hexahydrate

Alfa Aesar™ Paraformaldehyde, 16% w/v aq. soln., methanol free

CAS: 30525-89-4 Molecular Formula: CH2O Molecular Weight (g/mol): 30.026 MDL Number: MFCD00133991 InChI Key: WSFSSNUMVMOOMR-UHFFFAOYSA-N PubChem CID: 712 ChEBI: CHEBI:16842

Alfa Aesar™ Dow Corning® High-Vacuum Grease

Used as an anti-seize grease in ground glass joints. It is used to lubricate synthetic and silicone rubber gaskets. Further, it is used to lubricate plug valves, control valves, flow meter bearings, ceramic plug cocks and fire extinguisher valves.



Alfa Aesar™ Zinc chloride, anhydrous, 98+%

CAS: 7646-85-7 Molecular Formula: Cl2Zn Molecular Weight (g/mol): 136.28 MDL Number: MFCD00011295 InChI Key: JIAARYAFYJHUJI-UHFFFAOYSA-L PubChem CID: 5727 ChEBI: CHEBI:49976

Alfa Aesar™ Phthaldialdehyde, 98%

CAS: 643-79-8 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00003335 InChI Key: ZWLUXSQADUDCSB-UHFFFAOYSA-N PubChem CID: 4807 ChEBI: CHEBI:70851



Sodium sulfide nonahydrate, ACS, 98.0% min, Alfa Aesar™

CAS: 1313-84-4 Molecular Formula: Na2S·9H2O MDL Number: MFCD00149184

Silicone Oil, Alfa Aesar™

CAS: 63148-62-9

Alfa Aesar™ L-Lactic acid, anhydrous, 98%

CAS: 79-33-4 Molecular Formula: C3H6O3 Molecular Weight (g/mol): 90.078 MDL Number: MFCD00064266 InChI Key: JVTAAEKCZFNVCJ-REOHCLBHSA-N Synonym: (S)-2-Hydroxypropionic acid PubChem CID: 107689 ChEBI: CHEBI:422

Alfa Aesar™ Chitosan, 85% deacetylated

CAS: 9012-76-4 Molecular Formula: C56H103N9O39 Molecular Weight (g/mol): 1526.464 MDL Number: MFCD00161512 InChI Key: FLASNYPZGWUPSU-SICDJOISSA-N Synonym: Poly(D-glucosamine); Deacetylated chitin PubChem CID: 71853

Alfa Aesar™ Zeocin™, 100mg/mL in HEPES, sterile-filtered

Chemical Name or Material: Zeocin™ MDL Number: MFCD28100499 Physical Form: Liquid

Alfa Aesar™ Catechol Violet

CAS: 115-41-3 Molecular Formula: C19H14O7S Molecular Weight (g/mol): 386.374 MDL Number: MFCD00005868 InChI Key: RRRCKIRSVQAAAS-UHFFFAOYSA-N PubChem CID: 66993

Hydrofluoric acid, ACS, 48-51%, Alfa Aesar™

CAS: 7664-39-3 Molecular Formula: FH Molecular Weight (g/mol): 20.006 MDL Number: MFCD00011346 InChI Key: KRHYYFGTRYWZRS-UHFFFAOYSA-N PubChem CID: 14917 ChEBI: CHEBI:29228

Alfa Aesar™ Lipoprotein Deficient Serum, Bovine

For cellular and molecular biology applications

Dimethyl Sulfoxide, HPLC Grade, 99.9%, Alfa Aesar

CAS: 67-68-5 Molecular Formula: C2H6OS Molecular Weight (g/mol): 78.129 MDL Number: MFCD00002089 InChI Key: IAZDPXIOMUYVGZ-UHFFFAOYSA-N PubChem CID: 679 ChEBI: CHEBI:28262

Alfa Aesar™ Platelet-poor Plasma Derived Serum, Bovine

For cellular and molecular biology applications

Potassium bromide, FTIR Grade, Alfa Aesar™

CAS: 7758-02-3 Molecular Formula: BrK Molecular Weight (g/mol): 119.002 MDL Number: MFCD00011358 InChI Key: IOLCXVTUBQKXJR-UHFFFAOYSA-M PubChem CID: 253877 ChEBI: CHEBI:32030

Alfa Aesar™ Oleic acid, tech. 90%

CAS: 112-80-1 Molecular Formula: C18H34O2 Molecular Weight (g/mol): 282.468 MDL Number: MFCD00064242 InChI Key: ZQPPMHVWECSIRJ-KTKRTIGZSA-N Synonym: cis-9-Octadecenoic Acid PubChem CID: 445639 ChEBI: CHEBI:16196

Magnesium chloride, anhydrous, 99%, Alfa Aesar™

CAS: 7786-30-3 Molecular Formula: Cl2Mg Molecular Weight (g/mol): 95.205 MDL Number: MFCD00011106 InChI Key: TWRXJAOTZQYOKJ-UHFFFAOYSA-L PubChem CID: 5360315 ChEBI: CHEBI:6636

Alfa Aesar™ LB Agar plate with 50μg/mL Kanamycin

For cellular and molecular biology applications

Alfa Aesar™ Di-tert-butyl dicarbonate, 97+%

CAS: 24424-99-5 Molecular Formula: C10H18O5 Molecular Weight (g/mol): 218.249 MDL Number: MFCD00008805 InChI Key: DYHSDKLCOJIUFX-UHFFFAOYSA-N Synonym: Boc anhydride; Di-tert-butyl pyrocarbonate PubChem CID: 90495 ChEBI: CHEBI:48500

Iodine, resublimed crystals, ACS grade, 99.8%, Alfa Aesar™

CAS: 7553-56-2 Molecular Formula: I2 Molecular Weight (g/mol): 253.809 MDL Number: MFCD00011355 InChI Key: PNDPGZBMCMUPRI-UHFFFAOYSA-N PubChem CID: 807 ChEBI: CHEBI:17606

Alfa Aesar™ Rhodamine B

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.017 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N PubChem CID: 6694 ChEBI: CHEBI:52334

Alfa Aesar™ Trisodium citrate dihydrate, 99%

CAS: 6132-04-3 Molecular Formula: C6H9Na3O9 Molecular Weight (g/mol): 294.098 MDL Number: MFCD00150031 InChI Key: NLJMYIDDQXHKNR-UHFFFAOYSA-K Synonym: Citric acid trisodium salt dihydrate; Sodium citrate tribasic dihydrate PubChem CID: 71474 ChEBI: CHEBI:32142

Alfa Aesar™ Ethanolamine, ACS, 99+%

CAS: 141-43-5 Molecular Formula: C2H7NO Molecular Weight (g/mol): 61.084 MDL Number: MFCD00008183 InChI Key: HZAXFHJVJLSVMW-UHFFFAOYSA-N Synonym: Monoethanolamine, 2-Aminoethanol PubChem CID: 700 ChEBI: CHEBI:16000

Alfa Aesar™ Sodium orthosilicate, (mixture of NaOH and Na2SiO3 yielding ≈ Na4SiO4 in solution)

CAS: 13472-30-5 Molecular Formula: Na4O4Si Molecular Weight (g/mol): 184.04 MDL Number: MFCD00014252 InChI Key: POWFTOSLLWLEBN-UHFFFAOYSA-N Synonym: Sodium silicate (ortho) PubChem CID: 26051


Special Offers

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.