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. Lithium Tetraborate, Reagent, 5kg, 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.

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    $4,331.76
  2. Nickel Carbonate, Basic, Tetrahydrate, Powder, Reagent, 25g, 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.

    (1 per EA )
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    was $125.15 Special Price $74.07
  3. Magnesium Oxide, Powder, Technical, 50lb, CAS# 1309-48-4
    Manufacturer: Spectrum Chemical
    Magnesium Oxide, Powder, Technical, also known as magnesia, has many uses including as an insulator in industrial cables, as an antacid, and as a magnesium supplement. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    $853.68
  4. Mercuric Acetate, Powder, Reagent, ACS, 25kg, CAS# 1600-27-7
    Manufacturer: Spectrum Chemical
    Mercuric Acetate, Powder, Reagent, ACS (1 per EA )
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    $21,987.94
  5. Calcium Chloride, Dihydrate, USP, bioCERTIFIED(TM)), CAS# 298-46-4
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Dihydrate, USP, bioCERTIFIED (TM) is used to treat hypocalcemia. Calcium Chloride, Dihydrate, USP, bioCERTIFIED™ is uniquely suited for bioprocessing by biopharmaceutical manufacturers. 100% Tested. 100% Transparent. 100% Trusted. Whether it’s upstream bioprocessing or downstream, Spectrum Chemical’s bioCERTIFIED™ products are part of a comprehensive quality management system that includes APIs, excipients and other chemicals that carry additional certifications and documentation. Backed by our “100% tested and 100% transparent” guarantee, each bioCERTIFIED™ chemical undergoes expanded testing for bioburden, endotoxin, elemental impurities and other tests required by the monographs. Products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities. Key attributes of Spectrum Chemicals bioCERTIFIED™ portfolio include: • Complete lot analysis including tests for endotoxin, bioburden and elemental impurities • Comprehensive regulatory and scientific documentation • Change control, batch traceability and supply chain transparency • Extensive product breadth and Packaging flexibility

    (1 per EA )

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    $808.24
  6. Calcium Silicide, -140 Mesh, Powder, 1kg, CAS# 12013-56-8
    Manufacturer: Spectrum Chemical
    Calcium Silicide, -140 Mesh, Powder (1 per EA )
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    $651.50
  7. Sorbic Acid, Powder, FCC, 50kg, CAS# 110-44-1
    Manufacturer: Spectrum Chemical
    Sorbic Acid, Powder, FCC is used as a food preservative. 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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    $3,972.10
  8. Calcium Fluoride, Powder, Reagent, 50kg, CAS# 7789-75-5
    Manufacturer: Spectrum Chemical
    Calcium Fluoride, Powder, Reagent, an inorganic compound, occurs as the mineral fluorite or fluorspar. 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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    $4,156.25
  9. Calcium Silicide, Reagent, 45kg, CAS# 12013-56-8
    Manufacturer: Spectrum Chemical
    Calcium Silicide, Reagent (1 per EA )
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    $5,781.35
  10. Ceric Oxide, Reagent, 25kg, CAS# 1306-38-3
    Manufacturer: Spectrum Chemical
    Ceric Oxide, Reagent, also known as cerium (IV) oxide or ceria, can be used as an oxidizing species in catalytic converters. 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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    $7,111.65
  11. Sodium Sulfide, Fused Flakes, 400lb, CAS# 27610-45-3
    Manufacturer: Spectrum Chemical
    Sodium Sulfide, Fused Flakes, also known as disodium sulfide, is used as an oxygen scavenger agent in water treatment as well as a metals precipitant. 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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    $4,005.25
  12. Lanthanum Oxide, Reagent, 10kg, CAS# 1312-81-8
    Manufacturer: Spectrum Chemical
    Lanthanum Oxide, Reagent has been used in optical materials and to develop ferroelectric 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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    $10,201.62
  13. Bismuth Tribromophenate, Powder, 12kg, CAS# 5175-83-7
    Manufacturer: Spectrum Chemical
    Bismuth Tribromophenate, Powder (1 per EA )
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    $5,982.10
  14. Stannous Fluoride, 50kg, CAS# 7783-47-3
    Manufacturer: Spectrum Chemical
    Stannous Fluoride (1 per EA )
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    $21,744.85
  15. Ferric Ammonium Citrate, Brown, Powder, FCC, 50kg, CAS# 1185-57-5
    Manufacturer: Spectrum Chemical
    Ferric Ammonium Citrate, Brown, Powder, FCC (1 per EA )
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    $3,192.05
  16. Potassium Bitartrate, Powder, Reagent, 25kg, CAS# 868-14-4
    Manufacturer: Spectrum Chemical
    Potassium Bitartrate, Powder, Reagent, also known as potassium acid tartrate, is NIST's primary reference standard for a pH buffer. 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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    $2,991.35
  17. Calcium Glycerophosphate, FCC, 25kg, CAS# 27214-00-2
    Manufacturer: Spectrum Chemical
    Calcium Glycerophosphate, FCC is used to neutralize acidic foods when consumed. Spectrum Chemical offers over 300 Food Grade (FCC) 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.

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    $5,048.85
  18. Magnesium Salicylate, Powder, USP, 50kg, CAS# 18917-95-8
    Manufacturer: Spectrum Chemical
    Magnesium Salicylate, Powder, USP is a non-steroidal anti-inflammatory drug (NSAID) in a group of drugs called salicylates. All Spectrum Chemical USP grade 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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    $13,246.22
  19. Ferric Chloride, Hexahydrate, Lump, Purified, 50kg, CAS# 10025-77-1
    Manufacturer: Spectrum Chemical
    Ferric Chloride, Hexahydrate, Lump, Purified, 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 Spectrum Chemical manufactured Purified Ferric Chloride is of sufficient quality and purity for routine useage.

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    $3,886.75
  20. Calcium Acetate, USP, EP, bioCERTIFIED(TM)), CAS# 2-54-4
    Manufacturer: Spectrum Chemical
    Calcium Acetate, USP, EP, bioCERTIFIED (TM) is uniquely suited for bioprocessing by biopharmaceutical manufacturers. 100% Tested. 100% Transparent. 100% Trusted. Whether it’s upstream bioprocessing or downstream, Spectrum Chemical’s bioCERTIFIED™ products are part of a comprehensive quality management system that includes APIs, excipients and other chemicals that carry additional certifications and documentation. Backed by our “100% tested and 100% transparent” guarantee, each bioCERTIFIED™ chemical undergoes expanded testing for bioburden, endotoxin, elemental impurities and other tests required by the monographs. Products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities. Key attributes of Spectrum Chemicals bioCERTIFIED™ portfolio include: • Complete lot analysis including tests for endotoxin, bioburden and elemental impurities • Comprehensive regulatory and scientific documentation • Change control, batch traceability and supply chain transparency • Extensive product breadth and Packaging flexibility

    (1 per EA )

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    $1,421.42
  21. Potassium Nitrate, Crystal, USP, 50kg, CAS# 7757-79-1
    Manufacturer: Spectrum Chemical
    Potassium Nitrate, Crystal, USP is a common active ingredient in toothpaste, exerting anti-sensitivity analgesic properties. All Spectrum Chemical USP products, including all USP potassium 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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    $5,062.00
  22. Sodium Tartrate, Dihydrate, Crystal, Reagent, ACS, 12kg, 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.

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    $1,164.90
  23. Ammonium Thiocyanate, Crystal, Technical, 50kg, CAS# 1762-95-4
    Manufacturer: Spectrum Chemical
    Ammonium Thiocyanate, Crystal, Technical is an inorganic compound that is the salt of the ammonium cation and the thiocyanate anion. It has many uses including its use in the manufacture of herbicides, thiourea, transparent artificial resins, in matches, as a stabilizing agent in photography. It is also used in rust proofing applications. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    $2,847.55
  24. Cobalt Chloride, Hexahydrate, Crystal, Reagent, ACS, 50kg, 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.

    (1 per EA )
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    $7,671.45
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