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 Phosphate, Dibasic, Heptahydrate, Granular, Reagent, ACS, 125g, 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 $101.40 Special Price $60.00
  2. Potassium Perchlorate, Crystal, Reagent, ACS, 25g, CAS# 7778-74-7
    Manufacturer: Spectrum Chemical
    Potassium Perchlorate, Crystal, Reagent, ACS, also known as Perchloric acid or peroidin, is an inorganic salt and used as 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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    $102.15
  3. Calcium Sulfate, Anhydrous, FCC, 50kg, CAS# 7778-18-9
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Anhydrous, FCC is used in the food industry as an anticaking agent, dough strengthener and stabilizer. 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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    $1,610.70
  4. Ammonium Sulfate, Granular, FCC, 100lb, CAS# 7783-20-2
    Manufacturer: Spectrum Chemical
    Ammonium Sulfate, Granular, FCC is used as an acidity regulator in flours and breads. It is listed on the FDA's Generally Recognized As Safe (GRAS) list of substances. Spectrum Chemical offers over 300 Food Grade (FCC) 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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    $1,048.15
  5. Calcium Sulfate, Anhydrous, FCC, 2.5kg, CAS# 7778-18-9
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Anhydrous, FCC is used in the food industry as an anticaking agent, dough strengthener and stabilizer. 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 $461.90 Special Price $410.01
  6. Magnesium Salicylate, Powder, USP, 500g, CAS# 18917-95-8
    Manufacturer: Spectrum Chemical
    Magnesium Salicylate, Powder, USP is a non-steroidal anti-inflammatory drug (NSAID) in a group of drugs called salicylates. All Spectrum Chemical USP grade 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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    $414.86
  7. Potash Sulfurated, Technical, 2.5kg, CAS# 39365-88-3
    Manufacturer: Spectrum Chemical
    Potash Sulfurated, Technical is a mixture mainly composed of potassium polysulfides and potassium thiosulfate. While it used to be used as a topic lotion to treat arthritis and mange, its use in pharmaceuticals has stopped due to it toxicity. However, it is still used for its decorative color effects on copper, brass, bronze, and nickel. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $686.70 Special Price $507.97
  8. Ammonium Nitrate, Purified, 12kg, CAS# 6484-52-2
    Manufacturer: Spectrum Chemical
    Ammonium Nitrate, Purified is a white crystalline solid which is highly soluble in water. It is most commonly used in agriculture as a nitrogen fertilizer. It is a main component in some explosives and also finds use in instant cold packs as hydrating the salt is an endothermic process. 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 $897.40 Special Price $663.83
  9. Potassium Nitrate, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: UN1486 (1 per EA)
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    was $123.30 Special Price $92.48
  10. Chromium Trioxide Tech Flake, 25.00 K Each
    Manufacturer: Reagents Inc
    Chromium Trioxide Tech Flake, 25.00 K Each (1 per EA )
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    was $3,970.00 Special Price $2,977.56
  11. Ammonium Metavanadate, Powder, Reagent, ACS, 50kg, CAS# 7803-55-6
    Manufacturer: Spectrum Chemical
    Ammonium Metavanadate, Powder, Reagent, ACS is also known as ammonium vanadate and is a water soluble inorganic acid that is used in a variety of applications, including chemical and environmental catalysts, coloring compounds and dye fixants. 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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    $18,398.55
  12. Magnesium Citrate, Anhydrous, USP, 2.5kg, 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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    $1,212.48
  13. Potassium Bitartrate, Powder, Reagent, 125g, CAS# 868-14-4
    Manufacturer: Spectrum Chemical
    Potassium Bitartrate, Powder, Reagent, also known as potassium acid tartrate, is NIST's primary reference standard for a pH buffer. 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 $110.75 Special Price $65.53
  14. Sodium Chlorite, Anhydrous, Flakes, 100g, 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 $112.80 Special Price $84.46
  15. Manganese Dioxide, Powder, Technical, 12kg, CAS# 1313-13-9
    Manufacturer: Spectrum Chemical
    Manganese Dioxide, Powder, Technical, also known as hyperoxide of managnese, is used as a component for dry cell batteries or as an inorganic pigment for ceramics. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $1,128.85 Special Price $845.28
  16. Ferrous Gluconate, FCC, 2.5kg, CAS# 12389-15-0
    Manufacturer: Spectrum Chemical
    Ferrous Gluconate, FCC is used as an iron fortification food supplement additive. 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 $533.60 Special Price $473.67
  17. Silver Tetrafluoroborate, 5g, CAS# 14104-20-2
    Manufacturer: Spectrum Chemical
    Silver Tetrafluoroborate is an inorganic compound used as a reagent in organometallic and inorganic chemical synthesis. 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 $295.35 Special Price $262.17
  18. Magnesium Sulfate, Heptahydrate, USP, EP, BP, 45kg, 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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    $955.45
  19. Sodium Gluconate, FCC, 500g, CAS# 527-07-1
    Manufacturer: Spectrum Chemical
    Sodium Gluconate, FCC is used as surface cleaning agent for metals and glass bottles. 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 $128.25 Special Price $96.02
  20. Ammonium Carbonate, Chips, Purified, 500g, CAS# 506-87-6
    Manufacturer: Spectrum Chemical
    Ammonium Carbonate, Chips, Purified is a white, ammoniacal, solid salt that degrades to gaseous ammonia and carbon dioxide upon heating. It is used as a pH adjuster, smelling salt, in cooking as a leavening agent, in medicine to relieve symptoms of bronchitis and as an emetic. 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 $176.85 Special Price $130.81
  21. Chromium Acetate, Basic, Powder, Purified, 2.5kg, CAS# 39430-51-8
    Manufacturer: Spectrum Chemical
    Chromium Acetate, Basic, Powder, Purified, also known as Chromium (II) Ethanoate, is sometimes used to dehalogenate organic compounds such as chlorohydrins and alpha-bromoketones. 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 $1,380.65 Special Price $1,021.29
  22. Nickel Nitrate Hexahydrate, Reagent, ACS, 2.5kg, 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.

    (1 per EA )
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    was $1,370.60 Special Price $1,013.87
  23. Oxone(R), Monopersulfate Compound, 25kg, CAS# 70693-62-8
    Manufacturer: Spectrum Chemical
    Oxone(R), Monopersulfate Compound, also known as potassium peroxymonosulfate or MPS, is the potassium salt of peroxymonosulfuric acid and used as an oxidizing agent. 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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    $962.65
  24. Calcium Sulfate, Anhydrous, FCC, 500g, CAS# 7778-18-9
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Anhydrous, FCC is used in the food industry as an anticaking agent, dough strengthener and stabilizer. 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 $170.20 Special Price $125.91
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