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. Magnesium Sulfate, Heptahydrate, USP, EP, BP, 12kg, CAS# 10034-99-8
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Heptahydrate, USP, EP, BP. All Spectrum Chemical USP, EP, BP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    $680.05
  2. Cesium Iodide, 100g, CAS# 7789-17-5
    Manufacturer: Spectrum Chemical
    Cesium Iodide, also known as Caesium iodide, can be used in fluoroscopy equipment as the input phosphor of an x-ray image intensifier tube. 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 $763.70 Special Price $677.92
  3. Erbium Chloride, 25g, CAS# 10025-75-9
    Manufacturer: Spectrum Chemical
    Erbium Chloride (1 per EA )
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    $336.50
  4. Ammonium Carbonate, Powder, Technical, 12kg, CAS# 506-87-6
    Manufacturer: Spectrum Chemical
    Ammonium Carbonate, Powder, Technical 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. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $996.75 Special Price $737.32
  5. Adapalene, 98+ Percent, 1g, CAS# 106685-40-9
    Manufacturer: Spectrum Chemical
    Adapalene, 98+ Percent (1 per EA )
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    $448.70
  6. Lead Dioxide, Powder, 500g, CAS# 1309-60-0
    Manufacturer: Spectrum Chemical
    Lead Dioxide, Powder, also known as Plumbic oxide, is used as anode material in electrochemistry. 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 $363.60 Special Price $217.81
  7. Sodium Chlorite, Anhydrous, Flakes, 2.5kg, 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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    was $1,101.15 Special Price $824.53
  8. Sodium Chlorite, Anhydrous, Flakes, 500g, 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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    was $330.70 Special Price $198.10
  9. Ammonium Bifluoride, Flake, 12kg, 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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    was $1,253.40 Special Price $927.17
  10. Lanthanum Oxide, Reagent, 2.5kg, 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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    $2,943.41
  11. Magnesium Sulfate, Anhydrous, Powder, Reagent, 2.5kg, CAS# 7487-88-9
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Anhydrous, Powder, Reagent is the raw material for a common magnesium-based, called Epsom salts. The Epsom salt formulations are for both topical and oral indications. The topical preparation is a gel for soothing aches and pains while the internal formulation is commonly used as saline laxative. In it's anhydrous form, magnesium sulfate is used as a drying agent.

    (1 per EA)
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    was $789.75 Special Price $591.35
  12. Potassium Phosphate Dibasic, Anhydrous, Powder, Reagent, ACS, 500g, CAS# 7758-11-4
    Manufacturer: Spectrum Chemical
    Potassium Phosphate Dibasic, Anhydrous, Powder, Reagent, ACS is a soluble salt that is commonly used as a buffering agent. As an ACS grade Reagent, Spectrum Chemical manufactured potassium phosphate 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 $357.15 Special Price $211.36
  13. Sodium Bismuthate, Powder, Reagent, ACS, 500g, CAS# 12232-99-4
    Manufacturer: Spectrum Chemical
    Sodium Bismuthate, Powder, Reagent, ACS, also known as Sodium bismuth oxide, is a sodium salt and considered a strong oxidizer. 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 $1,856.70 Special Price $1,098.76
  14. Sodium Nitrate, Crystal, Reagent, ACS, 500g, CAS# 7631-99-4
    Manufacturer: Spectrum Chemical
    Sodium Nitrate, Crystal, Reagent, ACS, is a white solid that is particularly soluble in water and in used in the production of fertilizers, gunpowder, glass, pottery enamels, solid rocket propellant and others. It is also notably used in the production of food as a food additive. As an ACS grade Reagent, Spectrum Chemical manufactured sodium nitrate 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 $259.50 Special Price $153.57
  15. Strontium Chromate, Powder, Reagent, 500g, CAS# 7789-06-2
    Manufacturer: Spectrum Chemical
    Strontium Chromate, Powder, Reagent is prepared from the reaction between sodium dichromate with strontium carbonate, or between sodium chromate with strontium chloride. It is used as a corrosion inhibitor in pigments. 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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    $352.35
  16. Bismuth Subsalicylate, USP, 2.5kg, CAS# 14882-18-9
    Manufacturer: Spectrum Chemical
    Bismuth Subsalicylate, USP is an antacid medication used to treat temporary discomforts of the stomach and gastrointestinal tract. 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 $1,943.40 Special Price $1,725.11
  17. Potassium Bicarbonate, Granular, FCC, 12kg, CAS# 298-14-6
    Manufacturer: Spectrum Chemical
    Potassium Bicarbonate, Granular, FCC is used as a carbon dioxide source for leavening in baking. 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 $1,546.00 Special Price $1,372.33
  18. Ammonium Peroxydisulfate, Purified, 500g, CAS# 7727-54-0
    Manufacturer: Spectrum Chemical
    Ammonium Peroxydisulfate, Purified this highly water soluble oxidizing agent is a salt. It is often used for its oxidizing properties to etch copper on circuit boards. 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 $138.00 Special Price $102.08
  19. Ammonium Acetate, Purified, 500g, CAS# 631-61-8
    Manufacturer: Spectrum Chemical
    Ammonium Acetate, Purified is a chemical compound that comes as a crystalline white solid. Its uses vary from biodegradable de-icer as well as being used in dialysis as part of a protein purification stage that is useful in removing contaminant via diffusion. It is also used in an aqueous solution as a buffer for ESI mass pectrometry of proteins.

    (1 per EA )
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    was $155.30 Special Price $114.88
  20. Mercuric Oxide, Red, Powder, Purified, 500g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Red, Powder, Purified (1 per EA )
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    was $777.20 Special Price $465.58
  21. Mercuric Sulfate, Powder, Technical, 12kg, CAS# 7783-35-9
    Manufacturer: Spectrum Chemical
    Mercuric Sulfate, Powder, Technical, also referred to as mercury sulfate, is a odorless, white granular solid. When mixed with water it separates into two parts, an insoluble sulfate and the highly corrosive sulfuric acid. It has several uses, among them are the production of acetaldehyde, hydration of alkynes, the oxymercuration and demercuration of alkenes. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $9,211.10 Special Price $6,897.27
  22. Sodium Dichromate, Dihydrate, Granular, Technical# 7789-12-0
    Manufacturer: Spectrum Chemical
    Sodium Dichromate, Granular, Technical has a salt like texture and is an orange ore like color. It is water soluble and has near identical properties as potassium dichromate. It is mostly used as an oxidizing agent and to tan leather but only after it has been reduced with sulfur dioxide.

    (1 per EA )
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    was $1,892.40 Special Price $1,399.85
  23. Cesium Acetate, Ultrapure, 100g, CAS# 3396-11-0
    Manufacturer: Spectrum Chemical
    Cesium Acetate, Ultrapure (1 per EA )
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    was $1,630.85 Special Price $1,206.37
  24. Lead Oxide, Yellow, Powder, Reagent, 2.5kg, CAS# 1317-36-8
    Manufacturer: Spectrum Chemical
    Lead Oxide, Yellow, Powder, Reagent (1 per EA )
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    was $722.65 Special Price $541.11
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