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. Cupric Sulfate, Anhydrous, Powder, Reagent, 2.5kg, CAS# 7758-98-7
    Manufacturer: Spectrum Chemical
    Cupric Sulfate, Anhydrous, Powder, Reagent also known as Copper(II) Sulfate is an inorganic pale green or gray-white powder. As an analytical reagent it is used in Benedict's solution and Fehling's solution to test for reducing sugars and in Biuret reagent to test for proteins. 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.

    (4 per CS )
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    was $5,422.60 Special Price $4,011.24
  2. Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS, 500g, CAS# 7782-61-8
    Manufacturer: Spectrum Chemical
    Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS is a deliquescent chemical compound that forms colorless or light purple crystals. It is considered a useful oxidant in organic synthesis, specifically for the oxidation of alcohols to aldehydes. 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.

    (6 per CS )
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    was $1,200.70 Special Price $710.55
  3. Ferric Sulfate, Powder, Reagent, 500g, CAS# 15244-10-7
    Manufacturer: Spectrum Chemical
    Ferric Sulfate, Powder, Reagent is a yellow rhombic crystalline salt that is water soluble. It is used in industrial waste processing as a coagulant and as a pigment in pickling baths for steel and aluminum. 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.

    (6 per CS )
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    was $1,862.55 Special Price $1,377.77
  4. Praseodymium Oxalate, 25g, CAS# 24992-60-7
    Manufacturer: Spectrum Chemical
    Praseodymium Oxalate (1 per EA )
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    $224.35
  5. Silver Lactate, 1kg, CAS# 128-00-7
    Manufacturer: Spectrum Chemical
    Silver Lactate (1 per EA )
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    $12,657.90
  6. Cobalt Sulfate, Heptahydrate, Crystal, Reagent, 500g, CAS# 10026-24-1
    Manufacturer: Spectrum Chemical
    Cobalt Sulfate, Heptahydrate, Crystal, Reagent is an inorganic compound that is a red monoclinic crystal that has a melting point of approximately 100°C. It is water soluble and is used in the creation of pigments as well as being used to manufacture various other cobalt salts used in the production of porcelain & glass. It is primarily used in batteries and electroplating solutions. 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.

    (6 per CS )
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    was $3,592.65 Special Price $2,126.07
  7. Sodium Tartrate, Dihydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 6106-24-7
    Manufacturer: Spectrum Chemical
    Sodium Tartrate, Dihydrate, Crystal, Reagent, ACS has a crystal structure that is able to capture a very precise amount of water and is used in the Karl Fischer moisture determination titration technique. As an ACS grade reagent, Spectrum Chemical manufactured compound is used as the quality standard against which other substances are grade and has met the toughest regulatory standards for quality and pureness.

    (4 per CS )
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    was $4,782.55 Special Price $3,537.77
  8. Aluminum Nitrate, Nonahydrate, Crystal, Reagent, ACS, 500g, CAS# 7784-27-2
    Manufacturer: Spectrum Chemical
    Aluminum Nitrate, Nonahydrate, Crystal, Reagent, ACS is a strong oxidizing agent. It is a salt of aluminum and nitric acid existing normally as a crystalline hydrate. Aluminum nitrate has many different uses including extracting uranium, petroleum refining, as a nitrating agent, and in tanning leather. 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.

    (6 per CS )
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    was $933.30 Special Price $552.31
  9. Ammonium Acetate, Crystal, Reagent, ACS, 2.5kg, CAS# 631-61-8
    Manufacturer: Spectrum Chemical
    Ammonium Acetate, Crystal, Reagent, ACS is a chemical compound that comes as a crystalline white solid. Its uses vary from biodegradable de-icer as well as being used in dialysis as part of a protein purification stage that is useful in removing contaminant via diffusion. It is also used in an aqueous solution as a buffer for ESI mass spectrometry of proteins. As an ACS grade reagent, Spectrum Chemical manufactured compound is used as the quality standard against which other substances are grade and has met the toughest regulatory standards for quality and pureness.

    (4 per CS )
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    was $2,230.75 Special Price $1,650.13
  10. Ammonium Acetate, Crystal, Reagent, ACS, 500g, CAS# 631-61-8
    Manufacturer: Spectrum Chemical
    Ammonium Acetate, Crystal, Reagent, ACS is a chemical compound that comes as a crystalline white solid. Its uses vary from biodegradable de-icer as well as being used in dialysis as part of a protein purification stage that is useful in removing contaminant via diffusion. It is also used in an aqueous solution as a buffer for ESI mass spectrometry of proteins. As an ACS grade reagent, Spectrum Chemical manufactured compound is used as the quality standard against which other substances are grade and has met the toughest regulatory standards for quality and pureness.

    (6 per CS )
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    was $830.60 Special Price $491.53
  11. Ammonium Phosphate Dibasic, Crystal, Reagent, ACS, 2.5kg, CAS# 7783-28-0
    Manufacturer: Spectrum Chemical
    Ammonium Phosphate Dibasic, Crystal, Reagent, ACS is a crsytalline powder that is water soluble and has a typical pH of 7.5. As an ACS grade Reagent, Spectrum Chemical manufactured ammonium phosphate is used as the quality standard against which other substances are graded and meet the toughest regulatory standards for quality and pureness.

    (4 per CS )
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    was $2,685.05 Special Price $1,986.20
  12. Barium Nitrate, Crystal, Reagent, ACS, 125g, CAS# 10022-31-8
    Manufacturer: Spectrum Chemical
    Barium Nitrate, Crystal, Reagent, ACS is a water soluble, white solid and when mixed with aluminum powder, a formula for flash powder, is highly explosive. 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.

    (6 per CS )
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    was $562.65 Special Price $332.96
  13. Barium Nitrate, Crystal, Reagent, ACS, 500g, CAS# 10022-31-8
    Manufacturer: Spectrum Chemical
    Barium Nitrate, Crystal, Reagent, ACS is a water soluble, white solid and when mixed with aluminum powder, a formula for flash powder, is highly explosive. 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.

    (6 per CS )
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    was $1,177.00 Special Price $696.52
  14. Calcium Nitrate, Tetrahydrate, Crystal, Reagent, ACS, 500g, CAS# 13477-34-4
    Manufacturer: Spectrum Chemical
    Calcium Nitrate, Tetrahydrate, Crystal, Reagent, ACS is a colorless solid that absorbs moisture from air. Calcium nitrate is used mainly as a component in fertilizer and in the manufacturing of cooling packs. 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.

    (6 per CS )
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    was $798.20 Special Price $472.36
  15. Cobalt Chloride, Hexahydrate, Crystal, Reagent, ACS, 500g, CAS# 7791-13-1
    Manufacturer: Spectrum Chemical
    Cobalt Chloride, Hexahydrate, Crystal, Reagent, ACS is an inorganic compound that has a deep purple color as a hexahydrate. It is most widely used as an indicator of water in desiccants but also has uses in organic synthesis and electroplating. As an ACS grade reagent, Spectrum Chemical manufactured compound is used as the quality standard against which other substances are grade and has met the toughest regulatory standards for quality and pureness.

    (6 per CS )
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    was $2,424.40 Special Price $1,434.72
  16. Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS, 125g, CAS# 7782-61-8
    Manufacturer: Spectrum Chemical
    Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS is a deliquescent chemical compound that forms colorless or light purple crystals. It is considered a useful oxidant in organic synthesis, specifically for the oxidation of alcohols to aldehydes. 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.

    (6 per CS )
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    was $493.00 Special Price $291.75
  17. Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 7782-61-8
    Manufacturer: Spectrum Chemical
    Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS is a deliquescent chemical compound that forms colorless or light purple crystals. It is considered a useful oxidant in organic synthesis, specifically for the oxidation of alcohols to aldehydes. 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.

    (4 per CS )
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    was $2,351.40 Special Price $1,739.39
  18. Ferrous Ammonium Sulfate, Hexahydrate, Crystal, Reagent, ACS, 500g, CAS# 7783-85-9
    Manufacturer: Spectrum Chemical
    Ferrous Ammonium Sulfate, Hexahydrate, Crystal, Reagent, ACS is an inorganic compound that is water soluble and is mainly used in analytical chemistry in redox titrations. As an ACS grade Reagent, Spectrum Chemical manufactured compound is used as the quality standard against which other substances are grade and has met the toughest regulatory standards for quality and pureness.

    (6 per CS )
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    was $1,905.65 Special Price $1,127.73
  19. Potassium Bicarbonate, Crystal, Reagent, ACS, 2.5kg, CAS# 298-14-6
    Manufacturer: Spectrum Chemical
    Potassium Bicarbonate, Crystal, Reagent, ACS is used as a carbon dioxide source for leavening, as acting as a reagent, as well as a buffering agent in certain medications. 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.

    (4 per CS )
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    was $1,982.45 Special Price $1,466.47
  20. Potassium Bicarbonate, Crystal, Reagent, ACS, 500g, CAS# 298-14-6
    Manufacturer: Spectrum Chemical
    Potassium Bicarbonate, Crystal, Reagent, ACS is used as a carbon dioxide source for leavening, as acting as a reagent, as well as a buffering agent in certain medications. 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.

    (6 per CS )
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    was $978.75 Special Price $579.20
  21. Potassium Dichromate, Crystal, Reagent, ACS, 2.5kg, CAS# 7778-50-9
    Manufacturer: Spectrum Chemical
    Potassium Dichromate, Crystal, Reagent, ACS is an inorganic chemical reagent that is most often used as an oxidizing agent in industrial applications. It is known to be chronically detrimental to health. 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.

    (4 per CS )
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    was $5,258.00 Special Price $3,889.48
  22. Potassium Iodide, Crystal, Reagent, ACS, 2.5kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, Crystal, Reagent, ACS, is reffered to by the chemical formula KI and is an inorganic compound. Naturally occuring in Kelp, this white salt is one of the most significant iodide compounds. Produced by treating KOH with iodine, this compound has a variety of uses. 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.

    (4 per CS )
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    was $7,297.35 Special Price $5,398.03
  23. Potassium Oxalate, Monohydrate, Crystal, Reagent, ACS, 500g, CAS# 6487-48-5
    Manufacturer: Spectrum Chemical
    Potassium Oxalate, Monohydrate, Crystal, Reagent, ACS is useful as reducing agents for photography, bleaching, and rust removal. As a Reagent ACS grade 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.

    (6 per CS )
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    was $1,946.25 Special Price $1,151.76
  24. Potassium Phosphate Monobasic, Crystal, Reagent, ACS, 500g, CAS# 7778-77-0
    Manufacturer: Spectrum Chemical
    Potassium Phosphate Monobasic, Crystal, Reagent, ACS is a soluble salt that is commonly used as a buffering agent. As an ACS grade Reagent, Spectrum Chemical manufactured potassium phosphate is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

    (6 per CS )
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    was $818.50 Special Price $484.37
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