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. Sodium Arsenite, Powder, Reagent, 25g, 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.

    (1 per EA )
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    was $376.15 Special Price $222.60
  2. Ammonium Chloride, Granular, Reagent, ACS, 500g, CAS# 12125-02-9
    Manufacturer: Spectrum Chemical
    Ammonium Chloride, Granular, Reagent, ACS is an inorganic compound, that presents itself as a white crystalline salt that is highly soluble in water. It occurs from the reaction of hydrochloric acid and ammonia. It has uses in medicine as an expectorant in cough medicine, in metalwork as a flux in preparing metals to be tin coated as well as in laboratories to produce cooling baths at low temperatures. As an ACS grade Reagent, Spectrum Chemical manufactured Ammonium Chloride 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 $672.60 Special Price $398.03
  3. Barium Oxide, Anhydrous, Powder, 500g, CAS# 1304-28-5
    Manufacturer: Spectrum Chemical
    Barium Oxide, Anhydrous, Powder, also known as Barium monoxide or Barium protoxide, is a white hygroscopic compound used in cathode ray tubes as well as an ethoxylation catalyst in the reaction of alcohols and ethylene oxide. 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.

    (1 per EA )
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    $5,205.65
  4. 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.

    (6 per CS )
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    was $2,050.25 Special Price $1,213.29
  5. Germanium (IV) Oxide, 25g, CAS# 1310-53-8
    Manufacturer: Spectrum Chemical
    Germanium (IV) Oxide - the optical dispersion properties of germanium dioxide make it useful as an optical material for wide-angle lenses and in optical microscope objective lenses. It is transparent in infrared. 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.

    (1 per EA )
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    $727.50
  6. Sodium Fluoride, Powder, Reagent, ACS, 500g, 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.

    (1 per EA )
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    was $368.70 Special Price $218.19
  7. Sodium Bicarbonate, Powder, USP, EP, BP, JP, 2.5kg, CAS# 144-55-8
    Manufacturer: Spectrum Chemical
    Sodium Bicarbonate, Powder, USP, EP, BP, JP is used as an antacid to treat heartburn, indigestion, and upset stomach. All Spectrum Chemical USP, EP, BP, JP products 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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    $267.90
  8. Sodium Sulfate, Anhydrous, Suitable for Extraction-concentration, Granular, Reagent, ACS
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Suitable for EPA Method 608, Granular, Reagent, ACS is the sodium salt of sulfuric acid. It is a white, crystalline solid, and is used on a small scale in laboratories as an inert drying agent. 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 $613.20 Special Price $362.88
  9. Sodium Bifluoride, Technical, 500g, CAS# 1333-83-1
    Manufacturer: Spectrum Chemical
    Sodium Bifluoride, Technical, also known as Sodium hydrogen fluoride, is a bifluoride anion and a salt of sodium cation. It is primarily a precursor to sodium fluoride. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $129.65 Special Price $95.89
  10. Lithium Aluminum Hydride, Powder, 100g, CAS# 16853-85-3
    Manufacturer: Spectrum Chemical
    Lithium Aluminum Hydride, Powder is used as a reducing agent in organic synthesis. 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.

    (1 per EA )
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    $1,581.68
  11. Stannous Chloride, Dihydrate, Technical, 50kg, CAS# 10025-69-1
    Manufacturer: Spectrum Chemical
    Stannous Chloride, Dihydrate, Technical is widely used as a reducing agent (in acid solution), in electrolytic baths for tin-plating steel to make tin cans and as a mordant in textile dyeing. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $9,158.90
  12. Ammonium Citrate Dibasic, Reagent, ACS, 500g, CAS# 3012-65-5
    Manufacturer: Spectrum Chemical
    Ammonium Citrate Dibasic, Reagent, ACS is a white crystalline organic compound. It functions as a chelating agent and is sued for cleaning rust from metal. It is soluble in water. As an ACS grade reagent, Spectrum Chemical manufactured compound 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 $1,584.30 Special Price $937.56
  13. Calcium Carbonate, Powder, Reagent, ACS, 2.5kg, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Powder, Reagent, ACS is a naturally found common substance in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate causes a unique reaction with acids which upon contact with an acid produces carbon dioxide regardless of acid strength. 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 $2,677.95 Special Price $1,980.95
  14. Manganese Gluconate, Dihydrate, USP, 2.5kg, CAS# 6485-39-8
    Manufacturer: Spectrum Chemical
    Manganese Gluconate, Dihydrate, USP is used as a trace element added to parenteral nutrition (PN) to prevent manganese deficiency; orally as a dietary supplement. 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.

    (1 per EA )
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    $590.98
  15. Sodium Carbonate, Anhydrous, NF, 2.5kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, NF is a pH regulator excipient. All Spectrum Chemical NF grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $438.50 Special Price $328.35
  16. Ferric Sulfate, Powder, Reagent, 125g, 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 $744.25 Special Price $550.53
  17. Sodium Phosphate, Dibasic, Heptahydrate, Granular, Reagent, ACS, 2.5kg, CAS# 7782-85-6
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Heptahydrate, Granular, Reagent, ACS is used in foods and water treatment. In foods, it is used to adjust pH. Its presence prevents coagulation in the preparation of condensed milk. Similarly, it is used as an anti-caking additive in powdered products. In water treatment, It retards calcium scale formation. 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 $2,169.10 Special Price $1,604.53
  18. Sodium Sulfite, Reagent, ACS, 2.5kg, CAS# 7757-83-7
    Manufacturer: Spectrum Chemical
    Sodium Sulfite, Reagent, ACS is a used for preserving meat and prevent discoloration of dried fruit. It is a soluble sodium salt of sulfuric acid. It is also used in the paper processing industry and to purify TNT. 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 $1,269.55 Special Price $939.11
  19. Cesium Chloride, Optical Grade, 100g, 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.

    (1 per EA)
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    was $376.80 Special Price $278.73
  20. Boron Citrate, 2.5kg, CAS# 74231-02-0
    Manufacturer: Spectrum Chemical
    Boron Citrate (1 per EA )
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    $552.25
  21. Ferrous Fumarate, USP, 2.5kg, CAS# 141-01-5
    Manufacturer: Spectrum Chemical
    Ferrous Fumarate, USP is a mineral supplement. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $543.65 Special Price $482.59
  22. Cesium Sulfate, Reagent, 5g, CAS# 10294-54-9
    Manufacturer: Spectrum Chemical
    Cesium Sulfate, Reagent, also known as Caesium sulfate, is the caesium salt of sulfuric acid used to prepare dense aqueous solutions for isopycnic centrifugation. 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.

    (1 per EA )
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    was $125.15 Special Price $92.57
  23. Dried Ferrous Sulfate, Powder, USP, 500g, CAS# 13463-43-9
    Manufacturer: Spectrum Chemical
    Dried Ferrous Sulfate, Powder, USP is a mineral supplement. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $237.75 Special Price $175.87
  24. Barium Acetate, Granular, Reagent, ACS, 125g, CAS# 543-80-6
    Manufacturer: Spectrum Chemical
    Barium Acetate, Granular, Reagent, ACS is a white powder and the salt of barium and acetic acid, often used as a mordant in printing textiles and fabrics, paint-drying and in oil lubricants. In a chemical lab, it is used in organic synthesis as a catalyst and to prepare other acetates. 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 $146.70 Special Price $86.81
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