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. Dibasic Sodium Phosphate, Dried, USP, 500g, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Dibasic Sodium Phosphate, Dried, USP is used as a saline laxative to treat constipation or to clean the bowel before a colonoscopy. Spectrum Chemical USP products, including all USP Sodium Phosphate 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 $220.75 Special Price $165.29
  2. Sodium Chloride, ACS, CAS# 7647-14-5
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Table Salt (1 per EA)
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    $15.55
  3. Potassium Biiodate, ACS, 100G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: UN3085 (1 per EA)
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    was $235.00 Special Price $176.25
  4. Ammonium Phosphate Dibasic ACS - ACS, 500g, CAS#7783-28-0
    Manufacturer: Dawn Scientific
    Ammonium Phosphate Dibasic ACS - ACS, 500g, CAS#7783-28-0 (1 per EA )
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    was $68.62 Special Price $66.91
  5. Calcium Phosphate, Monobasic, Monohydrate, Powder, FCC, 500g, CAS# 10031-30-8
    Manufacturer: Spectrum Chemical
    Calcium Phosphate, Monobasic, Monohydrate, Powder, FCC is used in the food industry as a leavening agent. 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 (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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    was $197.05 Special Price $145.76
  6. Sodium Acid Pyrophosphate, FCC, 12kg, CAS# 7758-16-9
    Manufacturer: Spectrum Chemical
    Sodium Acid Pyrophosphate, FCC is leavening agent found in baking powders. 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 $965.65 Special Price $857.17
  7. Sodium Acetate, Trihydrate, Granular, FCC, 500g, CAS# 6131-90-4
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Trihydrate, Granular, FCC is used as food flavorant. 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 $221.50 Special Price $163.85
  8. Sodium Bicarbonate, Powder, USP, EP, BP, JP2-1
    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.

    (1 per EA)
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    $617.85
  9. Potassium Sulfite, Powder, 2.5kg, CAS# 10117-38-1
    Manufacturer: Spectrum Chemical
    Potassium Sulfite, Powder has been most often used as a food additive and preservative. 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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    $869.25
  10. Ammonium Carbonate, Chips, Purified, 2.5kg, 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 $599.75 Special Price $443.64
  11. Mercuric Oxide, Yellow, Powder, Technical, 500g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Yellow, Powder, Technical is used to produce mercury since it decomposes easily and as a material for cathodes for mercury batteries. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $645.10 Special Price $386.44
  12. Sodium Nitrate, Technical, 12kg, CAS# 7631-99-4
    Manufacturer: Spectrum Chemical
    Sodium Nitrate, Technical, 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.

    (1 per EA )
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    $953.45
  13. Ammonium Chloride, Granular, Reagent, ACS, 2.5kg, CAS# 12125-02-9
    Manufacturer: Spectrum Chemical
    Ammonium Chloride, Granular, Reagent, ACS is an inorganic compound, that presents itself as a white crystalline salt that is highly soluble in water. It occurs from the reaction of hydrochloric acid and ammonia. It has uses in medicine as an expectorant in cough medicine, in metalwork as a flux in preparing metals to be tin coated as well as in laboratories to produce cooling baths at low temperatures. As an ACS grade Reagent, Spectrum Chemical manufactured Ammonium Chloride 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 $402.55 Special Price $297.77
  14. Ammonium Sulfamate, Reagent, ACS, 2.5kg, CAS# 7773-06-0
    Manufacturer: Spectrum Chemical
    Ammonium Sulfamate, Reagent, ACS, also known as Ammonium sulphamate, is used as a compost accelerator, as a broad spectrum herbicide, and as a flame retardant. 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 $854.25 Special Price $631.91
  15. Calcium Sulfate, Dihydrate, Reagent, ACS, 12kg, CAS# 10101-41-4
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Dihydrate, Reagent, ACS is an inorganic chemical that is commonly used in polishing powders, paints (white pigment & filler) and in metallurgy (reduction of zinc minerals). 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 $2,075.20 Special Price $1,535.08
  16. Molybdenum Trioxide, Reagent, ACS313-27-5
    Manufacturer: Spectrum Chemical
    Molybdenum Trioxide, Reagent, ACS is a chemical compound that occurs in nature in the rare mineral molybdite. It is principally used as a catalyst oxidizer as well as a raw material in the production process for molybdenum metal which serves as an additive to steel and corrosion-resistant alloys. 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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    $599.72
  17. Potassium Carbonate, Anhydrous, Granular, Reagent, ACS, 2.5kg, CAS# 584-08-7
    Manufacturer: Spectrum Chemical
    Potassium Carbonate, Anhydrous, Granular, Reagent, ACS (1 per EA )
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    was $665.85 Special Price $492.53
  18. Potassium Iodate, Powder, Reagent, ACS, 2.5kg, 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.

    (4 per CS )
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    $8,417.05
  19. Sodium Periodate, Granular, Reagent, ACS, 25g, CAS# 7790-28-5
    Manufacturer: Spectrum Chemical
    Sodium Periodate, Granular, Reagent, ACS is an inorganic salt composed of a sodium cation and the periodate anion. Sodium periodate is often used in solution to open saccharide rings between vicinal diols leaving two aldehyde groups. This is often used in the process of labeling saccharides with fluorescent molecules or a number of other tags such as biotin. 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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    $709.05
  20. Sodium Phosphate Dibasic, Heptahydrate, Technical, 12kg, CAS# 7782-85-6
    Manufacturer: Spectrum Chemical
    Sodium Phosphate Dibasic, Heptahydrate, Technical is used along with disodium hydrogen phosphate as a pH adjuster. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $789.50 Special Price $584.01
  21. Potassium Tellurite, Powder, Reagent, 100g, CAS# 7790-58-1
    Manufacturer: Spectrum Chemical
    Potassium Tellurite, Powder, Reagent (1 per EA )
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    $1,170.70
  22. Sodium Peroxide, Reagent, ACS, 125g, CAS# 1313-60-6
    Manufacturer: Spectrum Chemical
    Sodium Peroxide, Reagent, ACS is a solid that comes in the form yellow micro beads. It is an inorganic compound that was historically used to bleach wood pulp in order to prepare it for the use in paper manufacture. Today it is most commonly used for certain specialized lab operations such as mineral extraction form ore. 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 $484.90 Special Price $286.96
  23. Dibasic Sodium Phosphate, Dried, USP, 500g, CS6, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Dibasic Sodium Phosphate, Dried, USP is used as a saline laxative to treat constipation or to clean the bowel before a colonoscopy. Spectrum Chemical USP products, including all USP Sodium Phosphate products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.

    (6 per CS )
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    was $955.45 Special Price $715.43
  24. Mercuric Oxide, Red, Powder, Battery Grade, 125g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Red, Powder, Battery Grade (1 per EA )
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    $280.38
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