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 Chloride, USP, EP, 2.5kg, 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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    $301.60
  2. Sodium Metabisulfite, Granular, FCC, 12kg, CAS# 7681-57-4
    Manufacturer: Spectrum Chemical
    Sodium Metabisulfite, Granular, FCC is used as a preservative and antioxidant in food and is also known as E223. 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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    $1,134.00
  3. Sodium Dichromate, Dihydrate, Granular, TechnicalS# 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 $696.35 Special Price $515.11
  4. Potassium Acetate, Technical, 12kg, CAS# 127-08-2
    Manufacturer: Spectrum Chemical
    Potassium Acetate, Technical is an acidity regulator and a preservative. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $1,074.25 Special Price $794.64
  5. Sodium Iodate, Powder, Reagent, 500g, 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.

    (6 per CS )
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    $2,862.00
  6. Sodium Phosphate, Dibasic, Dihydrate, FCC, 2.5kg, CAS# 10028-24-7
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Dihydrate, FCC is used in foods to adjust pH. 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 $603.70 Special Price $535.89
  7. Sodium Erythorbate, FCC, 12kg, CAS# 6381-77-7
    Manufacturer: Spectrum Chemical
    Sodium Erythorbate, FCC is used as an antioxidant 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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    $2,523.95
  8. Potassium Iodate, Powder, Reagent, ACS, 25g, CAS# 7758-05-6
    Manufacturer: Spectrum Chemical
    Potassium Iodate, Powder, Reagent, ACS is a chemical compound and oxidizing agent. It is flammable when in contact with reducing agents or combustible materials. It is sometimes utilized for the iodination of table salt to treat iodine deficiency. 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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    $131.65
  9. Magnesium Sulfate, Anhydrous, Powder, CP, 2.5kg, CAS# 7487-88-9
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Anhydrous, Powder, CP is hygroscopic and used as a drying agent. 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 $474.85 Special Price $355.56
  10. Ammonium Citrate Dibasic, Reagent, ACS, 2.5kg, CAS# 3012-65-5
    Manufacturer: Spectrum Chemical
    Ammonium Citrate Dibasic, Reagent, ACS is a white crystalline organic compound. It functions as a chelating agent and is sued for cleaning rust from metal. It is soluble in water. As an ACS grade reagent, Spectrum Chemical manufactured compound 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 $982.20 Special Price $726.56
  11. Bismuth Tribromophenate, Powder, 100g, CAS# 5175-83-7
    Manufacturer: Spectrum Chemical
    Bismuth Tribromophenate, Powder (1 per EA )
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    was $348.05 Special Price $257.45
  12. Cerium (III) Nitrate, Reagent, 500g, CAS# 10294-41-4
    Manufacturer: Spectrum Chemical
    Cerium (III) Nitrate, Reagent is a part of the nitrate family of cerium. It can also be used as an ingredient in a cream for the treatment of burns that also includes silver sulphadiazine. 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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    $796.75
  13. Sodium Phosphate, Dibasic, Heptahydrate, Granular, Reagent, ACS, 12kg, CAS# 7782-85-6
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Heptahydrate, Granular, Reagent, ACS is used in foods and water treatment. In foods, it is used to adjust pH. Its presence prevents coagulation in the preparation of condensed milk. Similarly, it is used as an anti-caking additive in powdered products. In water treatment, It retards calcium scale formation. 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 $1,620.40 Special Price $1,198.65
  14. Magnesium Sulfate, Heptahydrate, USP, EP, BP, 2.5kg, 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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    $461.90
  15. Calcium Chloride, Dihydrate, FCC, 500g, CAS# 10035-04-8
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Dihydrate, FCC is used as a sequestrant and firming agent in food products. It is considered as generally recognized as safe (GRAS) by the U.S. Food and Drug Administration. 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 $232.30 Special Price $171.84
  16. Sodium Bisulfite, Granular, FCC, 2.5kg, CAS# 7631-90-5
    Manufacturer: Spectrum Chemical
    Sodium Bisulfite, Granular, FCC is used as an antioxidant to preserve the aromas and flavors. 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 $451.65 Special Price $400.92
  17. Sodium Sulfide, Fused Flakes, 500g, 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.

    (1 per EA)
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    was $161.80 Special Price $119.69
  18. Lead Oxide, Yellow, Powder, Reagent, 125g, CAS# 1317-36-8
    Manufacturer: Spectrum Chemical
    Lead Oxide, Yellow, Powder, Reagent (1 per EA )
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    was $167.75 Special Price $125.61
  19. Potassium Citrate, Monohydrate, Granular, USP, 50g, CAS# 6100-05-6
    Manufacturer: Spectrum Chemical
    Potassium Citrate, Monohydrate, Granular, USP is used as a pH adjusting excipient. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    was $153.85 Special Price $113.80
  20. Cobalt Gluconate, Anhydrous, 25g, CAS# 71957-08-9
    Manufacturer: Spectrum Chemical
    Cobalt Gluconate, Anhydrous (1 per EA )
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    $273.20
  21. Manganese Sulfate, Monohydrate, CP, 2.5kg, CAS# 10034-96-5
    Manufacturer: Spectrum Chemical
    Manganese Sulfate, Monohydrate, CP, also known as Manganese(II) sulfate, is the precursor to many chemical compounds including manganese metal. 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 $378.55 Special Price $283.45
  22. Potassium Fluoride, Anhydrous, Purified, 12kg, CAS# 7789-23-3
    Manufacturer: Spectrum Chemical
    Potassium Fluoride, Anhydrous, Purified 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. 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 $2,244.30 Special Price $1,660.17
  23. Polyvinylsulfuric Acid Potassium Salt, 5g, CAS# 26837-42-3
    Manufacturer: Spectrum Chemical
    Polyvinylsulfuric Acid Potassium Salt (1 per EA )
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    $458.75
  24. Ammonium Benzoate, Purified, 2.5kg, CAS# 1863-63-4
    Manufacturer: Spectrum Chemical
    Ammonium Benzoate, Purified (1 per EA )
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    was $583.90 Special Price $431.92
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