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. Ammonium Molybdate Tetrahydrate ACS - ACS, 2.5Kg, CAS#12054-85-2
    Manufacturer: Dawn Scientific
    Ammonium Molybdate Tetrahydrate ACS - ACS, 2.5Kg, CAS#12054-85-2 (1 per EA )
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    was $699.62 Special Price $682.13
  2. Ceric Ammonium Sulfate, Reagent, 500g, CAS# 10378-47-9
    Manufacturer: Spectrum Chemical
    Ceric Ammonium Sulfate, Reagent is an inorganic compound that is an orange-red, water-soluble cerium salt is widely used as an oxidizing agent in organic synthesis and as a standard oxidant in quantitative analysis. 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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    $1,456.85
  3. Ammonium Carbonate ACS, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Ammonium Carbonate ACS, 500.00 g wide mouth (1 per EA )
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    was $205.00 Special Price $153.36
  4. Sodium Alginate, FCC, 50kg, CAS# 9005-38-3
    Manufacturer: Spectrum Chemical
    Sodium Alginate, FCC is a gum that has no discernible flavor and is used in the food industry as an emulsifier and to increase viscosity. 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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    $4,536.43
  5. Sodium Bicarbonate Purified, 50.00 lb Drum, Fiber
    Manufacturer: Reagents Inc
    Sodium Bicarbonate Purified, 50.00 lb Drum, Fiber (1 per EA )
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    was $309.00 Special Price $232.20
  6. Potassium Iodide, purified, 100.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Potassium Iodide, purified, 100.00 g Glass amb wm (1 per EA )
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    was $127.00 Special Price $95.04
  7. Magnesium Citrate, Anhydrous, USP, 12kg, CAS# 3344-18-1
    Manufacturer: Spectrum Chemical
    Magnesium Citrate, Anhydrous, USP is often used as a saline laxative to clean stool from the intestines before surgery or certain bowel procedures. 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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    $2,663.49
  8. Magnesium Gluconate, Dihydrate, FCC, 2.5kg, CAS# 59625-89-7
    Manufacturer: Spectrum Chemical
    Magnesium Gluconate, Dihydrate, FCC is a mineral supplement used to prevent and treat low amounts of magnesium in the blood. 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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    $1,186.02
  9. Sodium Sulfate, Anhydrous, Powder, Reagent, ACS, 500g, CS6, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Powder, Reagent, ACS is used in the laboratory as an inert drying agent for removing traces of water from organic solutions. It is only effective below 30°C, but is fairly inert and can be used with a variety of materials. 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 manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

    (6 per CS )
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    was $523.65 Special Price $313.69
  10. Sodium Tripolyphosphate, Anhydrous, FCC, 12kg, CAS# 7758-29-4
    Manufacturer: Spectrum Chemical
    Sodium Tripolyphosphate, Anhydrous, FCC is a food preservative and as an emulsifier to retain moisture. 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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    $967.05
  11. Cobalt (II) Chloride, 25g, CAS# 7646-79-9
    Manufacturer: Spectrum Chemical
    Cobalt (II) Chloride is an organometallic synthetic raw material. 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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    $517.75
  12. Chromic Chloride, Reagent, 500g, CAS# 10060-12-5
    Manufacturer: Spectrum Chemical
    Chromic Chloride, Reagent, is a violet anhydrous compound that can be used as an organic synthesis catalyst and a dye for wool. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

    (1 per EA)
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    was $476.05 Special Price $281.72
  13. Potassium Sulfate, Powder, Reagent, ACS, 12kg, 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 $1,935.40 Special Price $1,431.67
  14. Ammonium Sulfate ACS, 100.00 g wide mouth
    Manufacturer: Reagents Inc
    Ammonium Sulfate ACS, 100.00 g wide mouth (1 per EA )
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    was $26.00 Special Price $19.44
  15. Nickel Nitrate Hexahydrate, Reagent, ACS, 500g, CAS# 13478-00-7
    Manufacturer: Spectrum Chemical
    Nickel Nitrate Hexahydrate, Reagent, ACS, also known as Nickelous nitrate, is used as a precursor to supported nickel catalysts. 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.

    (6 per CS )
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    was $1,838.15 Special Price $1,495.69
  16. Sodium Thiosulfate, Anhydrous, Reagent, 500g, CAS# 7772-98-7
    Manufacturer: Spectrum Chemical
    Sodium Thiosulfate, Anhydrous, Reagent, is crystalline compound that is colorless. It is used in gold extraction as a lixiviant, in photographic processing to bind soft metals, so that silver halides dissolve when treated with a thiosulfate solution. It is also used in the medical field as an antidote to cyanide poisoning, as an antifungal agent and as a treatment for ringworm. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

    (1 per EA)
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    was $157.55 Special Price $93.24
  17. Sodium Chloride, USP, EP, 12kg, CAS# 7647-14-5
    Manufacturer: Spectrum Chemical
    Sodium Chloride, USP, EP. All Spectrum Chemical USP, EP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    $501.80
  18. Sodium Phosphate, Dibasic, Anhydrous, FCC, 2.5kg, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Anhydrous, FCC is an additive used as an antioxidant, sequestrant and a pH regulator with very high buffering capacity widely used in foods. 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 $714.50 Special Price $634.24
  19. Sodium Sulfate, Anhydrous, Granular, Reagent, ACS, 500g, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, 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 $142.20 Special Price $84.15
  20. Potassium Phosphate, Dibasic, Anhydrous, ACS/USP/FCC, CAS# 2139900
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Phosphoric Acid, Dipotassium Salt; Dipotassium Hydrogen Phosphate. This size also meets the specifications of FCC and USP grade. (1 per EA)
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    $748.85
  21. Barium Sulfate Powder, Lab - 500g, CAS#7727-43-7
    Manufacturer: Dawn Scientific
    Barium Sulfate Powder, Lab - 500g, CAS#7727-43-7 (1 per EA )
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    was $74.62 Special Price $72.76
  22. D-Saccharic Acid Monopotassium Salt, 100g, CAS# 576-42-1
    Manufacturer: Spectrum Chemical
    D-Saccharic Acid Monopotassium Salt, also known as glucaric acid, is derived by oxidizing a sugar with nitric acid. 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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    $1,194.95
  23. Manganese Sulfate 1-Hydrate CP, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Manganese Sulfate 1-Hydrate CP, 500.00 g wide mouth (1 per EA )
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    was $112.00 Special Price $84.24
  24. Ammonium Acetate ACS, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Ammonium Acetate ACS, 500.00 g Glass amb wm (1 per EA )
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    was $147.00 Special Price $110.16
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