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. Indium-Tin Oxide, -325 Mesh, 100g, CAS# 50926-11-9
    Manufacturer: Spectrum Chemical
    Indium-Tin Oxide, -325 Mesh (1 per EA )
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    $1,520.20
  2. Ammonium Thiocyanate ACS, CAS# 1762-95-4, CS4
    Manufacturer: Dawn Scientific
    Ammonium Thiocyanate ACS, CAS# 1762-95-4, CS4 (4 per CS )
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    was $1,114.23 Special Price $1,084.64
  3. Potassium Bromide, Granular, Purified, 2.5kg, CAS# 7758-02-3
    Manufacturer: Spectrum Chemical
    Potassium Bromide, Granular, Purified is a white crystalline inorganic salt that is freely soluble in water. 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 $466.05 Special Price $344.75
  4. Sodium Phosphate Monobasic, Anhydrous, FCC, 12kg, CAS# 7558-80-7
    Manufacturer: Spectrum Chemical
    Sodium Phosphate Monobasic, Anhydrous, FCC is used as a thickening agent and emulsifier in animal feed, toothpaste, and evaporated milk. 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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    $1,535.35
  5. Cobalt Nitrate, Hexahydrate, Practical, 2.5kg, CAS# 10026-22-9
    Manufacturer: Spectrum Chemical
    Cobalt Nitrate, Hexahydrate, Practical is an inorganic cobalt salt of nitric acid. It is often a red brownish color and a deliquescent salt that is water soluble. It is created by the reaction of cobalt oxide, hydroxide or carbonate with nitric acid. Practical grade 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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    was $1,510.10 Special Price $1,117.07
  6. Potassium hydrogen phthalate, CAS# 877-24-7,500g
    Manufacturer: Dawn Scientific
    HPLC Buffer Salts (1 per EA )
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    was $159.62 Special Price $155.63
  7. Potassium Iodide, Granular, FCC, 12kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, Granular, FCC is used as a source for dietary iodine. 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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    $6,013.95
  8. Potassium Sulfate, Anhydrous, Low Nitrogen, Granular, 12kg, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, Anhydrous, Low Nitrogen, Granular is also known as sulphate of potash. It is a white crystalline salt that is non-flammable and soluble in water. It is most often used in fertilizers which provides both sulfur and potassium. 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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    was $1,036.90 Special Price $767.03
  9. Potassium Bromate, Granular, Reagent, ACS, 2.5kg, CAS# 7758-01-2
    Manufacturer: Spectrum Chemical
    Potassium Bromate, Granular, Reagent, ACS is also known as bromic acid or potassium salt. It is considered an oxidizing agent and has been used in the production of malt barley. 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 $1,065.65 Special Price $788.28
  10. 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.

    (1 per EA )
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    was $138.00 Special Price $81.67
  11. Lead Carbonate, Powder, Reagent, ACS, 12kg, CAS# 598-63-0
    Manufacturer: Spectrum Chemical
    Lead Carbonate, Powder, Reagent, ACS is a chemical compound that is created industrially from lead acetate and carbon dioxide. It is an important pigment used in paints, putty, and ceramics. 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 $5,691.55 Special Price $4,261.83
  12. Potassium Sulfate, Powder, Reagent, ACS, 500g, 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 $270.10 Special Price $159.84
  13. Sodium Phosphate, Dibasic, Anhydrous, Reagent, ACS, 2.5kg, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Anhydrous, Reagent, ACS is one of the sodium salts derived from phosphoric acid. Highly hygroscopic and water soluble it comes in the form of a white powder. Used commercially in powered product as an anti-caking agent for those qualities. In a aqueous solution it is basic, with a pH value between 8.0 and 11.0. As an ACS grade Reagent, Spectrum Chemical manufactured Sodium Phosphate, Dibasic, Anhydrous, Reagent ACS is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and purity.

    (1 per EA)
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    was $723.60 Special Price $535.27
  14. Sodium Gluconate, FCC, 2.5kg, CAS# 7681-49-4
    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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    $1,071.50
  15. Potassium Bromide, ACS, CAS# 2139626
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Bromide Salt of Potassium (1 per EA)
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    $142.05
  16. Sodium Iodate, Powder, Reagent, 12kg, CAS# 7681-55-2
    Manufacturer: Spectrum Chemical
    Sodium Iodate, Powder, Reagent is an oxidizing agent that is the sodium salt of iodic acid. Sodium iodate is an oxidizing agent and known to start fires when in contact with combustible materials. 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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    $5,237.75
  17. Sodium Bicarbonate, Powder, FCC, 2.5kg, CAS# 144-55-8
    Manufacturer: Spectrum Chemical
    Sodium Bicarbonate, Powder, FCC is used as a leavening agent. 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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    was $276.85 Special Price $245.75
  18. Lead Chloride, Powder, Reagent, 12kg, CAS# 7758-95-4
    Manufacturer: Spectrum Chemical
    Lead Chloride, Powder, Reagent, also known as plumbous chloride, is considered an important lead-based reagent. 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 $3,866.55 Special Price $2,895.26
  19. Sodium Bromide, Granular, Reagent, ACS, 500g, CAS# 7647-15-6
    Manufacturer: Spectrum Chemical
    Sodium Bromide, Granular, Reagent, ACS is used in photography in the preparation of silver bromide emulsion on photographic plates or films. 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.

    (1 per EA)
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    was $265.30 Special Price $157.00
  20. Sodium Phosphate, Dibasic, Anhydrous, Reagent, ACS, 12kg, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Anhydrous, Reagent, ACS is one of the sodium salts derived from phosphoric acid. Highly hygroscopic and water soluble it comes in the form of a white powder. Used commercially in powered product as an anti-caking agent for those qualities. In a aqueous solution it is basic, with a pH value between 8.0 and 11.0. As an ACS grade Reagent, Spectrum Chemical manufactured Sodium Phosphate, Dibasic, Anhydrous, Reagent ACS is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and purity.

    (1 per EA )
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    was $1,847.45 Special Price $1,366.60
  21. Sodium Bicarbonate, Powder, FCC, 2.5kg, CAS# 144-55-8
    Manufacturer: Spectrum Chemical
    Sodium Bicarbonate, Powder, FCC is used as a leavening agent. 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.

    (4 per CS )
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    was $832.00 Special Price $738.55
  22. Lithium Sulfate, Anhydrous, Reagent, 12kg, 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.

    (1 per EA )
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    was $5,627.75 Special Price $4,214.06
  23. Selenium Dioxide, Purified, 500g, CAS# 7446-08-4
    Manufacturer: Spectrum Chemical
    Selenium Dioxide, Purified is the most commonly encountered compound of selenium. A colorless solid that has an odor resembling that of horseradish sauce. It is mostly used as coloring agent in the manufacture of glass and in small quantities used to counter act the color effects of cobalt, it is also used in organic synthesis as a reagent for allylic oxidation.

    (1 per EA )
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    $767.65
  24. Lithium Tetraborate, Reagent, 500g, CAS# 12007-60-2
    Manufacturer: Spectrum Chemical
    Lithium Tetraborate, Reagent is also known as lithium borate and is the lithium salt of boric acid. It is a common ingredient for making ceramics and glasses. It can also be used to vitrify mineral powder specimens by employing the borax fusion method. 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 $948.40 Special Price $568.13
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