Lab Procurement Services provides a wide range of grades of salts to meet the requirements of multiple lab and production applications. Please see our specific sections for ACS, High-Purity, and USP-NF-FCC grade products. For other types, including lab and technical grades, please see below, or contact us for assistance. 

Please see our pH Buffers and General Supplies for other essential lab products.

When ordering a salt, check the exact chemical form as well as the name: anhydrous, monohydrate, heptahydrate and other hydrates have different formula weights, so a recipe written for one form needs a recalculation for another. Match the grade to the job, for example ACS or reagent grade for analytical work, USP, NF or FCC for pharmaceutical or food applications, and technical grade for general or industrial use. Note the container (amber glass or poly bottle) for light- or moisture-sensitive salts. Review the SDS before ordering toxic or oxidizing salts such as sodium azide or chromium trioxide.

Salts: common questions

What is a chemical salt?

In chemistry, a salt is an ionic compound made of positively charged ions (cations) and negatively charged ions (anions), such as sodium chloride, potassium iodide or copper sulfate. Salts form when an acid reacts with a base, among other reactions. In the lab they are used to make buffers, standards, culture media and reagent solutions, and as starting materials for synthesis.

What is the difference between anhydrous and hydrated salts?

An anhydrous salt contains no water of crystallization. A hydrated salt, such as copper sulfate pentahydrate or sodium phosphate dibasic heptahydrate, has a fixed number of water molecules built into each formula unit. The water adds to the formula weight, so you need more grams of the hydrate to get the same number of moles. Use the formula weight on the label when preparing solutions.

What do ACS, USP, NF and FCC grades mean?

ACS grade meets the purity specifications of the American Chemical Society's Reagent Chemicals and is commonly used for analytical work. USP and NF grades meet the United States Pharmacopeia and National Formulary standards for pharmaceutical use, and FCC grade meets the Food Chemicals Codex for food use. Technical grade has no such specification and suits general or industrial work where high purity is not required.

Who can buy chemicals such as sodium nitrate from LPS?

Chemicals can be ordered online, but they ship only to business addresses, and a company name is required at checkout. Volume and quote pricing for larger quantities is available through the Contact Us page. Check the SDS and any storage or handling requirements before ordering, so the receiving area is ready for the material.

Salts

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  1. Mercuric Iodide, Red, Powder, Reagent, ACS, 25g, CAS# 7774-29-0
    Manufacturer: Spectrum Chemical
    Mercuric Iodide, Red, Powder, Reagent, ACS is a chemical compound appearing as red crystals and is slightly soluble in alcohol, ether and acetone. It is used for preparation of Nessler's reagent, used for detection of presence of ammonia and is a semiconductor material. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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    was $225.05 Special Price $134.82
  2. Sodium Thiosulfate, Anhydrous, Reagent, 12kg, CAS# 7772-98-7
    Manufacturer: Spectrum Chemical
    Sodium Thiosulfate, Anhydrous, Reagent, is crystalline compound that is colorless. It is used in gold extraction as a lixiviant, in photographic processing to bind soft metals, so that silver halides dissolve when treated with a thiosulfate solution. It is also used in the medical field as an antidote to cyanide poisoning, as an antifungal agent and as a treatment for ringworm. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

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    was $1,189.30 Special Price $879.76
  3. Ceric Ammonium Nitrate, CP, 500g, CAS# 16774-21-3
    Manufacturer: Spectrum Chemical
    Ceric Ammonium Nitrate, CP is an inorganic compound that is an orange-red, water-soluble cerium salt is widely used as an oxidizing agent in organic synthesis and as a standard oxidant in quantitative analysis. CP or Chemically Pure grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    $690.35
  4. Cadmium Oxide, Technical, 2.5kg, CAS# 1306-19-0
    Manufacturer: Spectrum Chemical
    Cadmium Oxide, Technical Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    $1,353.40
  5. Cesium Iodide, 25g, CAS# 7789-17-5
    Manufacturer: Spectrum Chemical
    Cesium Iodide, also known as Caesium iodide, can be used in fluoroscopy equipment as the input phosphor of an x-ray image intensifier tube. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

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    was $265.30 Special Price $235.49
  6. Bismuth Subsalicylate, USP, 12kg, CAS# 14882-18-9
    Manufacturer: Spectrum Chemical
    Bismuth Subsalicylate, USP is an antacid medication used to treat temporary discomforts of the stomach and gastrointestinal tract. All Spectrum Chemical USP products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

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    was $3,935.65 Special Price $3,493.56
  7. Ammonium Oxalate, Monohydrate, Purified, 2.5kg, CAS# 6009-70-7
    Manufacturer: Spectrum Chemical
    Ammonium Oxalate, Monohydrate, Purified is an odorless, colorless and non-volatile solid. It is found in guano and can be a constituent of certain types of kidney stones.

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    was $617.25 Special Price $456.59
  8. Lanthanum Chloride, Hydrated, Reagent, ACS, 12kg, CAS# 917-70-4
    Manufacturer: Spectrum Chemical
    Lanthanum Chloride, Hydrated, Reagent, ACS, is used in biochemical research to block the activity of divalent cation channels, mainly calcium channels. Doped with cerium, it is used as a scintillator material and in organic synthesis, lanthanum trichloride functions as a mild Lewis acid for converting aldehydes to acetals. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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    $526.29
  9. Ferric Chloride, Hexahydrate, Lump, Reagent, ACS, 500g, CAS# 10025-77-1
    Manufacturer: Spectrum Chemical
    Ferric Chloride, Hexahydrate, Lump, Reagent, ACS, also known as Iron Chloride, is a chemical compound to produce the Weigert’s iron hematoxylin solution for nuclear stains, trichrome staining and staining with acidic counterstains As an ACS grade Reagent, Spectrum Chemical manufactured Ferric Chloride is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and purity.

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    was $504.30 Special Price $298.44
  10. Sodium Gluconate, FCC, 45kg, CAS# 527-07-1
    Manufacturer: Spectrum Chemical
    Sodium Gluconate, FCC is used as surface cleaning agent for metals and glass bottles. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage and nutritional supplement applications. Spectrum Chemical offers over 300 Food grade chemical ingredients packaged in laboratory size bottles to production drum quantities and are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

    (1 per EA)
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    $422.00
  11. Lithium Sulfate, Anhydrous, Reagent, 2.5kg, CAS# 10377-48-7
    Manufacturer: Spectrum Chemical
    Lithium Sulfate, Anhydrous, Reagent, also known as Lithium sulphate, is used primarily to treat bipolar disorder. The Reagent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured Reagent grade products meet the toughest regulatory standards for quality and purity.

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    was $1,218.35 Special Price $912.30
  12. Sodium Sulfate, Anhydrous, Powder, Reagent, ACS, 500g, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Powder, Reagent, ACS is used in the laboratory as an inert drying agent for removing traces of water from organic solutions. It is only effective below 30°C, but is fairly inert and can be used with a variety of materials. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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    was $103.20 Special Price $61.82
  13. Potassium Ferricyanide, Granular, Technical, 12kg, CAS# 13746-66-2
    Manufacturer: Spectrum Chemical
    Potassium Ferricyanide, Granular, Technical, also known as Red prussiate of Potash, can be used to detect metal oxidation that will lead to rust. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $1,551.85 Special Price $1,147.93
  14. Potassium Iodide, Granular, Reagent, ACS, 500g, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, Granular, Reagent, ACS is refered to by the chemical formula KI and is an inorganic compound. Used as a component in film photography before the discovery of silver iodide, it is also used in the electrolyte of dye sensitized solar cells. KI is also used as an emergency blockade of radio-iodine, a common form of radiation poisoning. As an ACS grade Reagent, Spectrum Chemical manufactured potassium iodide is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

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    $2,957.60
  15. Cupric Acetate, Monohydrate, Purified, 500g, CAS# 6046-93-1
    Manufacturer: Spectrum Chemical
    Cupric Acetate, Monohydrate, Purified (1 per EA )
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    was $187.65 Special Price $138.80
  16. Cesium Chloride, Optical Grade, 25g, CAS# 7647-17-8
    Manufacturer: Spectrum Chemical
    Cesium Chloride, Optical Grade is a colorless inorganic compound and a solid. It is used in isopynic centrifugation as well as in analytical chemistry as a reagent.

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    $144.60
  17. Mercurous Chloride, Powder, Reagent, ACS, 500g, CAS# 10112-91-1
    Manufacturer: Spectrum Chemical
    Mercurous Chloride, Powder, Reagent, ACS, also known as Mercury(I) chloride, is a component of reference electrodes in electrochemistry. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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    was $1,767.85 Special Price $1,059.01
  18. Sodium Arsenite, Powder, Reagent, 500g, CAS# 7784-46-5
    Manufacturer: Spectrum Chemical
    Sodium Arsenite, Powder, Reagent is also known as sodium meta-arsenite and is the sodium salt of arsenous acid. It is used as an antiseptic and soap. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

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    was $3,934.45 Special Price $2,328.33
  19. Sodium Fluoride, Powder, Reagent, ACS, 125g, CAS# 7681-49-4
    Manufacturer: Spectrum Chemical
    Sodium Fluoride, Powder, Reagent, ACS, is an inorganic chemical compound, colorless and a solid. It plays a role in dentistry by enhancing the strength of teeth by encouraging fluorapatite. Toothpaste being the preffered delivery method. As an ACS grade Reagent, Spectrum Chemical manufactured sodium fluoride is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

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    was $228.05 Special Price $134.96
  20. Cesium Chloride, Technical, 1kg, CAS# 7647-17-8
    Manufacturer: Spectrum Chemical
    Cesium Chloride, Technical is widely used in isopycnic centrifugation for separating various types of DNA. It is a reagent in analytical chemistry, where it is used to identify ions by the color and morphology of the precipitate. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $1,502.85 Special Price $1,111.69
  21. Potassium Sulfate, Powder, Reagent, ACS, 2.5kg, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, Powder, Reagent, ACS is also called sulfate of potash and is a white crystalline salt commonly used in fertilizers. It is soluble in water and provides both sulfur and potassium. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

    (1 per EA)
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    was $853.55 Special Price $631.39
  22. Sodium Sulfate, Anhydrous, Powder, Reagent, ACS, 2.5kg, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Powder, Reagent, ACS is used in the laboratory as an inert drying agent for removing traces of water from organic solutions. It is only effective below 30°C, but is fairly inert and can be used with a variety of materials. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. Spectrum manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

    (1 per EA )
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    was $166.30 Special Price $124.53
  23. Potassium Sodium Tartrate, Tetrahydrate, Purified, 2.5kg, CAS# 6381-59-5
    Manufacturer: Spectrum Chemical
    Potassium Sodium Tartrate, Tetrahydrate, Purified was one of the first materials discovered to exhibit piezoelectricity. It is a double salt and is deliquescent so the material deteriorates if stored in damp conditions The Purified Grade describes chemicals of good quality where there are no official standards and is normally limited to inorganic chemicals.

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    was $338.00 Special Price $250.03
  24. Potassium Phosphate Monobasic, FCC, 12kg, CAS# 7778-77-0
    Manufacturer: Spectrum Chemical
    Potassium Phosphate Monobasic, FCC is used to stabilize, thicken and regulate the acidity and moisture in foods. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage, nutritional supplement and personal care applications. Spectrum Chemical offers over 300 Food grade chemical ingredients packaged in laboratory size bottles to production drum quantities and are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

    (1 per EA )
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    was $1,555.40 Special Price $1,380.68
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