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. Potassium Sorbate, Powder, FCC, 45kg, CAS# 24634-61-5
    Manufacturer: Spectrum Chemical
    Potassium Sorbate, Powder, FCC is used as an antimicrobial preservative. 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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    $3,394.75
  2. Sodium Borate, Decahydrate, Powder, Reagent, ACS, 50kg, CAS# 1303-96-4
    Manufacturer: Spectrum Chemical
    Sodium Borate, Decahydrate, Powder, Reagent, ACS, also known as borax or sodium tetraborate, is a white crystalline powder that easily dissolves in water. Sodium borate has many uses including but not limited to; detergents, cosmetics, enamel glazes, fire retardant, and a texturing agent in cooking. 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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    $1,697.00
  3. Calcium Carbonate, Powder, Reagent, ACS, 50kg, 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.

    (1 per EA )
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    $5,212.95
  4. Ammonium Bifluoride, Flake, 45kg, CAS# 1341-49-7
    Manufacturer: Spectrum Chemical
    Ammonium Bifluoride, Flake is an inorganic compound that is a colorless salt that is used as a glass etchtant. It is produced from ammonia and hydrogen fluoride.

    (1 per EA )
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    $1,384.40
  5. Ferrous Fumarate, USP, 50kg, 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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    $1,654.50
  6. Potassium Borate, Granular, 50kg, CAS# 12045-78-2
    Manufacturer: Spectrum Chemical
    Potassium Borate, Granular (1 per EA )
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    $2,200.35
  7. Sodium Perborate, Tetrahydrate, Granular, Purified, 12kg, CAS# 10486-00-7
    Manufacturer: Spectrum Chemical
    Sodium Perborate, Tetrahydrate, Granular, Purified is used as a bleaching agent or an antiseptic. It is also known to crystallize as the monohydrate. The Purified Grade describes chemicals of good quality where there are no official standards and is normally limited to inorganic chemicals.

    (1 per EA)
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    was $947.75 Special Price $701.07
  8. Molybdenum Trioxide, Reagent, ACS, 45kg, CAS# 1313-27-5
    Manufacturer: Spectrum Chemical
    Molybdenum Trioxide, Reagent, ACS is a chemical compound that occurs in nature in the rare mineral molybdite. It is principally used as a catalyst oxidizer as well as a raw material in the production process for molybdenum metal which serves as an additive to steel and corrosion-resistant alloys. 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.

    (1 per EA )
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    $10,490.90
  9. Potassium Iodide, Granular, Reagent, ACS, 45kg, 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.

    (1 per EA )
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    $8,554.85
  10. Sodium Carbonate, Anhydrous, Reagent, ACSent, ACS, 500g, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, Powder, Reagent, ACS also known as washing soda, is a white powder without smell that readily absorbs moisture present in the air. Glass production is by far the biggest source of use for it. Acting as a flux for silica it enables the melting point to be lower, facilitating the glass making process. As a sodium salt it makes for a great electrolyte and is often used as one in chemistry. It is also used as household water softener, food additive and in taxidermy. 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 $821.15 Special Price $485.95
  11. Calcium Silicide, -140 Mesh, Powder, 500g, CAS# 12013-56-8
    Manufacturer: Spectrum Chemical
    Calcium Silicide, -140 Mesh, Powder (1 per EA )
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    $309.20
  12. Chromium Oxide, Green, Powder, Purified, 50kg, CAS# 1308-38-9
    Manufacturer: Spectrum Chemical
    Chromium Oxide, Green, Powder, Purified is often used in industrial paints where a lot of wear is involved. The Purified Grade describes chemicals of good quality where there are no official standards and is normally limited to inorganic chemicals.

    (1 per EA )
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    $3,911.75
  13. Potassium Hexafluorophosphate, 2.5kg, CAS# 17084-13-8
    Manufacturer: Spectrum Chemical
    Potassium Hexafluorophosphate, the chemical compound with the formula KPF6, consists of hexafluorophosphate anions and potassium cations. It is used as a is a common laboratory source of the hexafluorophosphate anion, a non-coordinating anion that imparts lipophilicity to its salts. 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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    $1,593.45
  14. Cadmium Molybdate, 25g, CAS# 13972-68-4
    Manufacturer: Spectrum Chemical
    Cadmium Molybdate is an inorganic salt. 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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    $362.15
  15. Sodium Chlorite, Anhydrous, Flakes, 12kg, CAS# 7758-19-2
    Manufacturer: Spectrum Chemical
    Sodium Chlorite, Anhydrous, Flakes is a chemical compound often used in the manufacture of paper. Used to generate chlorine dioxide for the bleaching and striping of textiles it is also frequently used as a oxidation reagent in organic synthesis.

    (CAS# 7758-19-2, Molecular Formula: NaClO2) Sodium Chlorite, Anhydrous, Flakes (1 per EA )
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    $1,508.21
  16. Potassium Carbonate, Anhydrous, Granular, Purified, 50kg, CAS# 584-08-7
    Manufacturer: Spectrum Chemical
    Potassium Carbonate, Anhydrous, Granular, Purified, also known as Dipotassium carbonate, can be used as a buffering agent in the production of mead or wine; as well as a mild drying agent. The Purified Grade describes chemicals of good quality where there are no official standards and is normally limited to inorganic chemicals.

    (1 per EA )
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    $2,133.80
  17. Nickel Carbonate, Basic, Tetrahydrate, Powder, Reagent, 500g, CAS# 39430-27-8
    Manufacturer: Spectrum Chemical
    Nickel Carbonate, Basic, Tetrahydrate, Powder, Reagent, also known as nickelous carbonate, is used in some ceramic applications and as precursors to catalysts. 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.

    (6 per CS )
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    was $2,528.30 Special Price $1,496.20
  18. Cesium Fluoride, Optical Grade, 25kg, CAS# 13400-13-0
    Manufacturer: Spectrum Chemical
    Cesium Fluoride, Optical Grade, also known as Caesium fluoride, is used in organic synthesis as a source of the fluoride anion. Spectrum’s Optical Grade products are suitable for use as a crystal growing feedstock.

    (1 per EA )
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    $10,680.35
  19. Calcium Sulfate, Dihydrate, Reagent, ACS, 50kg, CAS# 10101-41-4
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Dihydrate, Reagent, ACS is an inorganic chemical that is commonly used in polishing powders, paints (white pigment & filler) and in metallurgy (reduction of zinc minerals). 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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    $4,307.25
  20. Palladium Chloride, Reagent, ACS, 1kg, CAS# 7647-10-1
    Manufacturer: Spectrum Chemical
    Palladium Chloride, Reagent, ACS, also known as Palladous chloride, can be used to test for the corrosion-resistance of stainless steel. 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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    $112,355.60
  21. Sodium Acetate, Anhydrous, Technical, 100lb, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, Technical, is a colorless salt that has a wide range of uses. In the textile industry, this sodium salt of acetic acid is used to neutralise sulfuric acid waste streams. Also used as a buffer solution to help keep a near constant pH.

    (1 per EA )
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    $1,411.60
  22. Barium Carbonate, Reagent, ACS, 50kg, CAS# 513-77-9
    Manufacturer: Spectrum Chemical
    Barium Carbonate, Reagent, ACS is an inorganic white crystal substance used to control the chromate to sulfate ratio in chromium electroplating baths. It is also used as a glazing agent in ceramics and in the creation of bricks and rat poison. 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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    $4,754.15
  23. Cesium Chloride, Optical Grade, 25kg, 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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    $2,385.00
  24. Lead Chromate, Powder, Reagent, ACS, 50kg, CAS# 7758-97-6
    Manufacturer: Spectrum Chemical
    Lead Chromate, Powder, Reagent, ACS (1 per EA )
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    $14,505.24
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