City Chemical LLC, headquartered in the U.S.A., is the manufacturer of rare and unusual chemicals, many of which cannot be found anywhere else in the world. Over 14,000 organic and inorganic chemicals in stock and ready for immediate delivery. At City Chemical LLC, we focus on servicing our customers’ needs. We call it ResponseAbility™ - which is our proprietary capability to satisfy your chemical needs quicker and more reliably than anyone else.


We serve many industries including Aerospace, Academic, Military, Semiconductor wafer and chip manufacturing CVD/ALD, Research and Development. Our website lists most of the chemicals that we offer however, if you cannot find the chemical you are looking for please contact us so that we can assist you. Join our mailing list to keep up with what's new in our industry. Most chemicals are in stock for immediate dispatch - All are available in bulk - Please inquire. Below is a list of just some of our most widely used chemicals.


MOCVD, CVD, & ALD Precursors

Benzyltrichlorosilane (CAS #: 770-10-5), Cyclopentadienyltrimethylsilane (CAS #: 3559-74-8), Diethylsilane (CAS #: 542-91-6), Hexachlorodisilane (CAS #: 13465-77-5), Hexachlorodisiloxane (CAS #: 14986-21-1), Hexamethyldisilane (CAS #: 1450-14-2), Silicon Acetate (CAS #: 562-90-3), Silicon Bromide, SiBr4 (CAS #: 7789-66-4), Silicon Iodide, (Powder or Granular Form), Sil4 (CAS #: 13465-84-4), Tetraallysilane (CAS #: 1112-66-9), Tetraethylsilane (CAS #: 631-36-7), Tetrakis(diethylamino), titanium (CAS #: 4419-47-0), Tetrakis(diethylamino), zirconium (CAS #: 13801-49-5), Tributylsilane (CAS #: 998-41-4), Triethylsilane (CAS #: 617-86-7)


Laboratory Reagents

1,2,3-Triketohydrindene (CAS #: 485-47-2), 2,2'-Dicarboxybiphenyl (CAS #: 482-05-3), 2,5-Dimethylindole (CAS #: 1196-79-8), 2-Hydroxy-2-propanesulfonic Acid,Sodium salt (CAS #: 540-92-1), 3,3-Dimethylnaphthidine (CAS #: 13138-48-2), 6-Methoxy-4-quinolinecarboxylic Acid (CAS #: 86-68-0), Ammonium Iodide (CAS #: 12027-06-4), Barium Cyanide (CAS #: 542-62-1), Barium Manganate (CAS #: 7787-35-1), Clerici Solution (CAS #: 61971-47-9), D-Glucosamine (CAS #: 3416-24-8), Ferric Benzoate (CAS #: 14534-87-3), Lead Bromide (CAS #: 10031-22-8), Lead Iodide (CAS #: 10101-63-0), Lead Thiocyanate (CAS #: 592-87-0), Magnesium Bichromate (CAS #: 13423-61-5), Magnesium Fluoride (CAS #: 7783-40-6), Mercuric Silver Iodide (CAS #: 7784-03-4), Mucobromic Acid (CAS #: 488-11-9), Pangamic Acid Sodium Salt (CAS #: 77700-02-8), Potassium Manganate (CAS #: 10294-64-1), Propylhydrazine Oxalate (CAS #: 56884-75-4), Retene (CAS #: 483-65-8), Silver Arsenate (CAS #: 13510-44-6), Silver Oxalate (CAS #: 533-51-7), Silver-2,4-Pentanedionate (CAS #: 15525-64-1), Triphenylene (CAS #: 217-59-4), Triphenylmethanethiol (CAS #: 3695-77-0), Tubocurarine Chloride (CAS #: 57-94-3), Zinc Chromate (CAS #: 13530-65-9), Zinc Dichromate (CAS #: 14018-95-2)


Electronic Chemicals

Aluminum Fluoride (CAS #: 7784-18-1), Ammonium Fluoride (CAS #: 12125-01-8), Cobalt (ll) Oxide (CAS #: 1307-96-6), Germanium Diiodide (CAS #: 13573-08-5), Germanium Nitride (CAS #: 12065-36-0), Lead Stannate (CAS #: 1344-41-8), N-Nitrosodimethylamine (CAS #: 62-75-9), Nickel Monoxide (CAS #: 1313-99-1), Platinum Acetate (CAS #: ), Tantalum Ethoxide (CAS #: 6074-84-6), Tetraethylgermanium (CAS #: 597-63-7), Triethylgermanium Bromide (CAS #: 1067-10-3)


Patina Chemicals

(Ethylenedinitrilo)tetraacetic Acid Tetrasodium Salt (CAS #: 10378-23-1, 13235-36-4), Acetic Acid (CAS #: 64-19-7), Ammonium Chloride (CAS #: 12125-02-9), Barium Sulfide (CAS #: 21109-95-5), Bees Wax (CAS #: 8012-89-3), Bismuth Nitrate (CAS #: 10035-06-0), Cobalt Nitrate (CAS #: 10026-22-9), Copper (II) Chloride (CAS #: 10125-13-0, 1344-67-8, 7447-39-4), Copper (II) Nitrate (CAS #: 10031-43-3), Copper (II) Sulfate (CAS #: 7758-99-8, 1332-73-6, 7758-98-7), Ferric Chloride (CAS #: 10025-77-1, 7705-08-0), Hypo (CAS #: 7772-98-7, 10102-17-7), Liver of Sulfur (CAS #: 39365-88-3), Oxalic Acid (CAS #: 6153-56-6, 144-62-7), Potassium Bichromate (CAS #: 7778-50-9), Silver Nitrate (CAS #: 7761-88-8), Stannic Oxide (CAS #: 18282-10-5)


Featured Chemicals

2-Hydroxy-2-propanesulfonic Acid,Sodium salt (CAS #: 540-92-1), Aluminum Fluoride (CAS #: 7784-18-1), Ammonium Fluoride (CAS #: 12125-01-8), Cerium (III) Molybdate (CAS #: 13454-70-1), Hexachlorodisilane (CAS #: 13465-77-5), Hexachlorodisiloxane (CAS #: 14986-21-1), Potassium Manganate (CAS #: 10294-64-1), Silicon Acetate (CAS #: 562-90-3), Silicon Bromide, SiBr4 (CAS #: 7789-66-4)


What is a Chemical Property, Chemical Substance, Chemical Element and Cas?

A chemical property is a characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction. Chemical properties are seen either during or following a reaction since the arrangement of atoms within a sample must be disrupted for the property to be investigated. This is different from a physical property, which is a characteristic that may be observed and measured without changing the chemical identity of a specimen. A chemical substance can be specified as any material with a definite chemical make-up. A chemical material can either be a pure chemical element or a pure chemical compound. Chemical substances may include both pure substances and mixtures with a defined composition or manufacturing process. An element is a chemical substance made up of a particular kind of atom and cannot be broken down or transformed by a chemical reaction into a different element, though it can be changed in form or substance into another element through a nuclear reaction. This is so, because all of the atoms in a sample of an element have the same number of protons, though they may be different isotopes, with differing numbers of neutrons. CAS Numbers are up to 10 digits long using the format xxxx-yy-z. They are assigned to a compound as the CAS registers a new compound. The number has no significance to the chemistry, structure or chemical nature of the molecule. The CAS Number of a compound is a useful way to identify a chemical over its name.


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