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 Bromide, Crystal, Reagent, 25g, CAS# 7789-45-9
    Manufacturer: Spectrum Chemical
    Cupric Bromide, Crystal, Reagent, also known as Copper(II) bromide, is used as a brominating agent in organic synthesis. 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 $131.65 Special Price $77.91
  2. Potassium Nitrate, Crystal, USP, 12kg, 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.

    (1 per EA)
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    was $2,242.00 Special Price $1,990.16
  3. Potassium Nitrate, Crystal, USP, 2.5kg, 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.

    (1 per EA)
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    was $1,037.35 Special Price $920.83
  4. Thorium Nitrate, Crystal, Reagent, 100g, CAS# 13470-07-0
    Manufacturer: Spectrum Chemical
    Thorium Nitrate, Crystal, Reagent is used to distinguish between pectin and other water-soluble gums. 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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    $2,090.80
  5. Ammonium Fluoride, Crystal, Reagent, ACS, 12kg, CAS# 12125-01-8
    Manufacturer: Spectrum Chemical
    Ammonium Fluoride, Crystal, Reagent, ACS is an inorganic compound that has a pungent salty taste and is soluble water. Ammonium fluoride is used for preserving wood, as a mothproofing agent, in printing and dying textiles, and as an antiseptic in breweries. 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 $5,757.40 Special Price $4,258.89
  6. Ammonium Oxalate, Monohydrate, Crystal, Reagent, ACS, 12kg, CAS# 6009-70-7
    Manufacturer: Spectrum Chemical
    Ammonium Oxalate, Monohydrate, Crystal, Reagent, ACS is odorless, colorless and non-volatile in most conditions. It is found in guano and can be a constituent of certain types of kidney stones. 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 $1,614.00 Special Price $1,193.92
  7. Ammonium Thiocyanate, Crystal, Technical, 12kg, 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.

    (1 per EA )
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    was $1,126.10 Special Price $833.00
  8. Magnesium Chloride, Hexahydrate, Crystal, Reagent, ACS, 12kg, CAS# 7791-18-6
    Manufacturer: Spectrum Chemical
    Magnesium Chloride, Hexahydrate, Crystal, Reagent, ACS has a wide range of uses, notably the production of magnesium metal, it is also used for dust control, ice control and road stabilization. As in this case, hydrated magnesium chloride can be extracted from brine or sea water. As an ACS grade Reagent, Spectrum Chemical manufactured magnesium chloride 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 $1,137.80 Special Price $851.98
  9. Magnesium Oxide, Powder, Technical, 12kg, 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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    was $693.30 Special Price $519.14
  10. Sodium Borohydride, Crystalline Powder, Reagent, ACS, 2.5kg, CAS# 16940-66-2
    Manufacturer: Spectrum Chemical
    Sodium Borohydride, Crystalline Powder, Reagent, ACS is an inorganic compound that is white in color and usually found as a powder. It is a reducing agent with versatility and is used as a synthetic reagent in the laboratory. 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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    $1,678.15
  11. Ferrous Gluconate, USP, 12kg, CAS# 12389-15-0
    Manufacturer: Spectrum Chemical
    Ferrous Gluconate, USP is used to treat iron deficiency anemia. 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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    was $1,438.15 Special Price $1,276.60
  12. Magnesium Chloride, Hexahydrate, Crystal, USP, EP, BP, 12kg, CAS# 7791-18-6
    Manufacturer: Spectrum Chemical
    Magnesium Chloride, Hexahydrate, Crystal, USP, EP, BP is a high quality inorganic mineral salt excipient used for the production of nutraceuticals and dietary foods. All Spectrum Chemical excipients are 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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    $2,001.70
  13. Magnesium Chloride, Hexahydrate, Crystal, USP, EP, BP
    Manufacturer: Spectrum Chemical
    Magnesium Chloride, Hexahydrate, Crystal, USP, EP, BP is a high quality inorganic mineral salt excipient used for the production of nutraceuticals and dietary foods. All Spectrum Chemical excipients are 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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    $2,378.85
  14. Calcium Gluconate, Anhydrous, Powder, USP, 12kg, CAS# 20427-59-2
    Manufacturer: Spectrum Chemical
    Calcium Gluconate, Anhydrous, Powder, USP. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    $1,439.80
  15. Calcium Acetate, USP, EP, bioCERTIFIED(TM)), CAS# 62-54-4
    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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    $710.74
  16. Chromic Chloride, Hexahydrate, USP, 2.5kg, CAS# 10060-12-5
    Manufacturer: Spectrum Chemical
    Chromic Chloride, Hexahydrate, USP. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    $9,348.35
  17. Ammonium Sulfate, Granular, Purified, 25kg, CAS# 7783-20-2
    Manufacturer: Spectrum Chemical
    Ammonium Sulfate, Granular, Purified is an inorganic salt that is very soluble in water. Most often used as a soil fertilizer to release minute amounts of acid and contribute to the essential nitrogen. It is also used in biochemistry as a precipitant to purify protein. 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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    $371.40
  18. Boron Citrate, 20kg, CAS# 74231-02-0
    Manufacturer: Spectrum Chemical
    Boron Citrate (1 per EA )
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    $1,725.80
  19. Potassium Fluoride, Anhydrous, Technical, 50kg, CAS# 7789-23-3
    Manufacturer: Spectrum Chemical
    Potassium Fluoride, Anhydrous, Technical is the primary source of the fluoride ion for applications in manufacturing and in chemistry and is the preferred source of fluoride for the conversion of chlorocarbons into fluorocarbons. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $4,464.05
  20. Sodium Iodate, Powder, Reagent, 50kg, 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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    $8,708.00
  21. Silver Diethyldithiocarbamate, Reagent, ACS, 5kg, CAS# 1470-61-7
    Manufacturer: Spectrum Chemical
    Silver Diethyldithiocarbamate, Reagent, ACS is useful in the colorimetric determination of arsenic and the introduction of the diethyldithiocarbamato ligand. Silver diethyldithiocarbamate is also useful as a copper chelator. Shown to measure copper in biological materials by ESR. Shown to detect NO in kidney, brain, liver, and other tissues via spin trap when used in conjunction with Fe2+. Silver diethyldithiocarbamate is reported to directly and simultaneously measure NO and PO2. Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

    (1 per EA )
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    $38,599.25
  22. 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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    $2,442.75
  23. L-Arginine, USP, JP, bioCERTIFIED(TM), 12kg, CAS# 74-79-3
    Manufacturer: Spectrum Chemical
    L-Arginine, USP, JP, bioCERTIFIED (TM) is an amino acid, a chemical building block that makes proteins, and is bioCERTIFIED™ for biopharmaceutical production and for cell culture. L-Arginine, USP, JP, 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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    $6,749.60
  24. Bismuth Tribromophenate, Powder, 2.5kg, CAS# 5175-83-7
    Manufacturer: Spectrum Chemical
    Bismuth Tribromophenate, Powder (1 per EA )
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    $1,713.65
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