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 Fluoride, Powder, Reagent, ACS, 12kg, 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 $2,788.40 Special Price $2,062.65
  2. Potassium Iodide, USP, 2.5kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, 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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    $2,265.50
  3. Sodium Carbonate, Hydrous, NF, 50kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Hydrous, 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 $175.85 Special Price $131.67
  4. Molybdic Acid, 85 Percent, Reagent, ACS, 12kg, CAS# 7782-91-4
    Manufacturer: Spectrum Chemical
    Molybdic Acid, 85 Percent, Reagent, ACS is a solid and the hydrated form of molybdenum trioxide. Molybdic acid salts are called molybdates. The most simple of the solid form is call the monohydrate. 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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    $4,774.48
  5. Cuprous Oxide, Red, Powder, Reagent, 2.5kg, CAS# 1317-39-1
    Manufacturer: Spectrum Chemical
    Cuprous Oxide, Red, Powder, Reagent, also known as copper(I) oxide, is a principal oxide of copper and used as a pigment or fungicide. 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 $1,212.30 Special Price $896.77
  6. Cobalt Gluconate, Anhydrous, 500g, CAS# 71957-08-9
    Manufacturer: Spectrum Chemical
    Cobalt Gluconate, Anhydrous (1 per EA )
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    $2,121.20
  7. Sodium Fluoride, Powder, Reagent, ACS, 2.5kg, 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 $1,329.05 Special Price $983.12
  8. Nickel Carbonate, Basic, Tetrahydrate, Powder, Reagent, 12kg, 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 $4,466.95 Special Price $3,304.31
  9. Sodium Phosphate Tribasic, Anhydrous, Technical, 2.5kg, CAS# 7601-54-9
    Manufacturer: Spectrum Chemical
    Sodium Phosphate Tribasic, Anhydrous, Technical or trisodium phosphate, is used as a cleaning agent and is sufficiently alkaline to saponify grease and oils. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $235.00 Special Price $173.84
  10. Sodium Bicarbonate, Powder, USP, EP, BP, JP, 2.5kg, CS4, 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.

    (4 per CS )
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    $829.50
  11. Calcium Silicate, NF, 100g, CAS# 1344-95-2
    Manufacturer: Spectrum Chemical
    Calcium Silicate, NF, also known as calcium orthosilicate, is used as an anticaking agent. All Spectrum Chemical NF grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    $159.48
  12. Mercuric Acetate, Powder, Technical, 2.5kg, CAS# 1600-27-7
    Manufacturer: Spectrum Chemical
    Mercuric Acetate, Powder, Technical, also known as mercuriacetate or Mercury(II) acetate, is a chemical compound used to generate organomercury compounds from unsaturated organic precursors as a reagent. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $4,266.85 Special Price $3,195.01
  13. Aluminum Potassium Sulfate, Crystal, Reagent, ACS, 500g, CAS# 7784-24-9
    Manufacturer: Spectrum Chemical
    Aluminum Potassium Sulfate, Crystal, Reagent, ACS or potassium alum, is commonly used in water purification or in the clarifying of turbid liquids. 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 $432.85 Special Price $256.15
  14. Ammonium Carbonate, Lump, Reagent, ACS, 2.5kg, CAS# 8000-73-5
    Manufacturer: Spectrum Chemical
    Ammonium Carbonate, Lump, Reagent, ACS is a white solid salt that degrades to gaseous ammonia and carbon dioxide upon heating. It is used primarily as a pH adjuster 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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    was $615.50 Special Price $455.31
  15. Reinecke Salt, Monohydrate, Reagent, ACS, 25g, CAS# 13573-16-5
    Manufacturer: Spectrum Chemical
    Reinecke Salt, Monohydrate, Reagent, ACS, also known as ammonium tetrathiocyanato-diamminechromate(III), has been used to precipitate secondary and primary amines as their ammonium salts. 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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    $256.75
  16. Potassium Iodide, USP, 2.5kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, USP. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (4 per CS )
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    $7,706.85
  17. 4-Amino-3-hydroxy-1-naphthalene Sulfonic Acid, Reagent, ACS, 100g, CAS# 116-63-2
    Manufacturer: Spectrum Chemical
    4-Amino-3-hydroxy-1-naphthalene Sulfonic Acid, Reagent, ACS (1 per EA )
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    was $433.55 Special Price $256.56
  18. Barium Carbonate, Reagent, ACS, 10kg, 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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    was $2,430.55 Special Price $1,797.93
  19. Potassium Fluoride, Anhydrous, Reagent, ACS, 125g, CAS# 7789-23-3
    Manufacturer: Spectrum Chemical
    Potassium Fluoride, Anhydrous, Reagent, ACS is a source of the fluoride ion, and is the preferred reagent in the conversion process of chlorocarbons into fluorocarbons. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are 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 $138.75 Special Price $82.11
  20. Potassium Bromide, Granular, Purified, 12kg, 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 $1,000.80 Special Price $740.32
  21. Sodium Tungstate, Dihydrate, CP, 500g, CAS# 10213-10-2
    Manufacturer: Spectrum Chemical
    Sodium Tungstate, Dihydrate, CP is the sodium salt of tungstic acid and used in chemical synthesis as a source of tungsten. CP or Chemically Pure grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $371.05 Special Price $219.59
  22. Lead Chloride, Powder, Reagent, 2.5kg, 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 $1,386.95 Special Price $1,038.54
  23. Mercuric Iodide, Red, Powder, Reagent, ACS, 1kg, CAS# 7774-29-0
    Manufacturer: Spectrum Chemical
    Mercuric Iodide, Red, Powder, Reagent, ACS is a chemical compound appearing as red crystals and is slightly soluble in alcohol, ether and acetone. It is used for preparation of Nessler's reagent, used for detection of presence of ammonia and is a semiconductor material. 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 $3,210.10 Special Price $1,922.97
  24. Mercuric Iodide, Red, Powder, Reagent, ACS, 2.5kg, CAS# 7774-29-0
    Manufacturer: Spectrum Chemical
    Mercuric Iodide, Red, Powder, Reagent, ACS is a chemical compound appearing as red crystals and is slightly soluble in alcohol, ether and acetone. It is used for preparation of Nessler's reagent, used for detection of presence of ammonia and is a semiconductor material. 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 $3,398.40 Special Price $2,544.72
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