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, Monobasic, Anhydrous, 500 Grams CAS# 7558-80-7
    Manufacturer: Research Products International
    Mol. Wt:119.98 Common Name: Formula: NaH2PO4 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: 7558-80-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $53.65
  2. Manganese Carbonate, Powder, Reagent, 250lb, CAS# 598-62-9
    Manufacturer: Spectrum Chemical
    Manganese Carbonate, Powder, Reagent is widely used as an additive to plant fertilizers to cure manganese deficient crops and in health foods, in ceramics as a glaze colorant and flux, and in concrete stains. 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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    $6,625.63
  3. Ammonium Acetate, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $113.10 Special Price $84.82
  4. Barium Sulfate, USP, 12kg, CAS# 7727-43-7
    Manufacturer: Spectrum Chemical
    Barium Sulfate, USP. 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 $1,222.30 Special Price $1,085.00
  5. Sodium Benzoate, Technical, 500g, CAS# 532-32-1
    Manufacturer: Spectrum Chemical
    Sodium Benzoate, Technical is the research grade of a widely used food preservative and synthetic organic raw material. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $90.60 Special Price $67.01
  6. Magnesium Citrate Tribasic, 125g, CAS# 3344-18-1
    Manufacturer: Spectrum Chemical
    Magnesium Citrate Tribasic (1 per EA )
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    $102.28
  7. Calcium Fluoride, Powder, Reagent, 500g, CAS# 7789-75-5
    Manufacturer: Spectrum Chemical
    Calcium Fluoride, Powder, Reagent, an inorganic compound, occurs as the mineral fluorite or fluorspar. 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 $402.55 Special Price $238.23
  8. Sodium Acetate, Anhydrous, Reagent, ACS, 125g, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, Reagent, ACS is a colorless salt that has a wide range of uses. In the chemical laboratory it is used as a buffer solution to help keep a near constant pH. As an ACS grade Reagent, Spectrum Chemical manufactured Sodium Acetate 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 $109.40 Special Price $64.75
  9. Sodium Molybdate Dihydrate ACS, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Molybdate Dihydrate ACS, 500.00 g Glass amb wm (1 per EA )
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    was $1,090.00 Special Price $817.56
  10. Ferric Chloride, Hexahydrate, Lump, Reagent, ACS, 25g, CAS# 10025-77-1
    Manufacturer: Spectrum Chemical
    Ferric Chloride, Hexahydrate, Lump, Reagent, ACS, also known as Iron Chloride, is a chemical compound to produce the Weigert’s iron hematoxylin solution for nuclear stains, trichrome staining and staining with acidic counterstains As an ACS grade Reagent, Spectrum Chemical manufactured Ferric Chloride is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and purity.

    (1 per EA)
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    was $181.10 Special Price $107.17
  11. Sodium Alginate, FCC, 500g, 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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    was $224.30 Special Price $167.95
  12. Anhydrous Dibasic Calcium Phosphate, Powder, USP, 500g, CAS# 7757-93-9
    Manufacturer: Spectrum Chemical
    Anhydrous Dibasic Calcium Phosphate, Powder, USP. 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 $208.05 Special Price $184.68
  13. Sodium Carbonate, Anhydrous, Granular, Reagent, ACS, 25kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, Granular, Reagent, ACS also known as washing soda, is a white powder without smell that readily absorbs moisture present in the air. Glass production is by far the biggest source of use for it. Acting as a flux for silica it enables the melting point to be lower, facilitating the glass making process. As a sodium salt it makes for a great electrolyte and is often used as one in chemistry. It is also used as household water softener, food additive and in taxidermy. 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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    $906.10
  14. Sodium Chloride, Non-Iodized, Granular, FCC, 2.5kg, CAS# 7647-14-5
    Manufacturer: Spectrum Chemical
    Sodium Chloride, Non-Iodized, Granular, FCC is used as a flavor enhancer and 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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    was $335.00 Special Price $297.37
  15. Potassium Iodate, Powder, Reagent, ACS, 125g, 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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    $320.40
  16. Sodium Iodate, Powder, Reagent, 25g, 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.

    (1 per EA )
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    $112.20
  17. Potassium Bicarbonate, Granular, FCC, 2.5kg, 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 $536.20 Special Price $475.97
  18. Potassium Gluconate, Anhydrous, FCC, 2.5kg, CAS# 299-27-4
    Manufacturer: Spectrum Chemical
    Potassium Gluconate, Anhydrous, FCC is used as a mineral supplement and sequestrant. 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 $547.90 Special Price $486.36
  19. Ferric Ammonium Citrate, Brown, Powder, FCC, 2.5kg, CAS# 1185-57-5
    Manufacturer: Spectrum Chemical
    Ferric Ammonium Citrate, Brown, Powder, FCC (1 per EA )
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    was $702.25 Special Price $623.37
  20. Sodium Potassium Tartrate, Tetrahydrate, Granular, FCC, 2.5kg, CAS# 6381-59-5
    Manufacturer: Spectrum Chemical
    Sodium Potassium Tartrate, Tetrahydrate, Granular, FCC is used as a sequestrant 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 $749.25 Special Price $665.09
  21. Mercuric Sulfide, Red, Powder, Reagent, 125g, CAS# 1344-48-5
    Manufacturer: Spectrum Chemical
    Mercuric Sulfide, Red, Powder, Reagent, also known as Cinnabar or Vermilion, is an inorganic chemical compound insoluble in water and used as a red pigment. 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 $850.90 Special Price $509.72
  22. Lead Dioxide, Powder, 2.5kg, 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 $1,417.80 Special Price $1,061.65
  23. Ferric Sulfate, Powder, Reagent, 25g, CAS# 15244-10-7
    Manufacturer: Spectrum Chemical
    Ferric Sulfate, Powder, Reagent is a yellow rhombic crystalline salt that is water soluble. It is used in industrial waste processing as a coagulant and as a pigment in pickling baths for steel and aluminum. 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 $92.75 Special Price $68.60
  24. Magnesium Sulfate, Heptahydrate, FCC0g, CS6, CAS# 10034-99-8
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Heptahydrate, FCC, commonly called Epsom salt, is used as a brewing salt in beer production and a tofu coagulant. 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 $160.55 Special Price $120.22
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