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. Potassium Tripolyphosphate, 12kg, CAS# 13845-36-8
    Manufacturer: Spectrum Chemical
    Potassium Tripolyphosphate is used a texturizing agent and acidity regulator. 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 $923.25 Special Price $682.95
  2. Aluminum Acetate, Dibasic, Stabilized with Boric Acid, Powder, 2.5kg, CAS# 139-12-8
    Manufacturer: Spectrum Chemical
    Aluminum Acetate, Dibasic, Stabilized with Boric Acid, Powder is a salt that is used as a topical astringent to treat skin irritations from poison ivy, substances such as soaps and cosmetics and insect bites. Aluminum acetate is particularly helpful for foot problems including athlete's foot, swelling, and excessive sweating. It is also used to treat ear canal infections. 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 $1,078.00 Special Price $797.43
  3. Barium Chloride, Dihydrate, Purified, 2.5kg, CAS# 10326-27-9
    Manufacturer: Spectrum Chemical
    Barium Chloride, Dihydrate, Purified is an inorganic compound and one of the most common water soluble salts of barium. It is toxic and give a yellow-green flame when burnt. It is water soluble, inexpensive and has a wide application in the laboratory and in industry. It is highly toxic and must be handled with care. 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 $485.65 Special Price $359.24
  4. 1-Hexanesulfonic acid sodium salt (Monohydrate), CAS# 207300-91-2, 100g
    Manufacturer: Dawn Scientific
    1-Hexanesulfonic acid sodium salt (Monohydrate), CAS# 207300-91-2, 100g (1 per EA )
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    was $329.62 Special Price $321.38
  5. Sodium Dichromate, Dihydrate, Granular, Technical# 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 $160.15 Special Price $118.45
  6. Ceric Ammonium Sulfate, Reagent, 125g, 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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    $737.75
  7. Mercuric Oxide, Red, Powder, Battery Grade, 500g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Red, Powder, Battery Grade (1 per EA )
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    $1,127.78
  8. Calcium Carbonate, Powder, Reagent, ACS, 12kg, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Powder, Reagent, ACS is a naturally found common substance in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate causes a unique reaction with acids which upon contact with an acid produces carbon dioxide regardless of acid strength. 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 $2,393.80 Special Price $1,770.76
  9. Ferric Chloride, Hexahydrate, Lump, Reagent, ACS, 2.5kg, 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 $1,594.05 Special Price $1,179.15
  10. Manganese Carbonate, Powder, Reagent, 2.5kg, 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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    was $1,614.40 Special Price $1,208.87
  11. Sodium Oxalate, Powder, Reagent, ACS, 2.5kg, CAS# 62-76-0
    Manufacturer: Spectrum Chemical
    Sodium Oxalate, Powder, Reagent, ACS is the white crystalline, odorless sodium salt of oxalic acid. Used as a reducing agent, it can be used as a primary standard for potassium permanganate solution standardizing. 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 $944.05 Special Price $698.33
  12. Sodium Phosphate Monobasic Monohydrate, Sodium dihydrogen phosphate monohydrate, 1 Kilogram CAS# 10049-21-5
    Manufacturer: Research Products International
    Mol. Wt:138 Common Name: Sodium dihydrogen phosphate monohydrate Formula: NaH2PO4 - H2O Dimensions: 8.13 x 7.25 x 8.13, Weight: 7.3, Cas#: 10049-21-5 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $92.25
  13. Thymol Blue, Sodium Salt, ACS, 5G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $60.10 Special Price $45.08
  14. Potassium Oxalate, Monohydrate, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $150.00 Special Price $112.50
  15. Stannous Fluoride, 500g, CAS# 7783-47-3
    Manufacturer: Spectrum Chemical
    Stannous Fluoride (1 per EA )
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    $566.60
  16. Aluminum Sulfate, Purified, 12kg, CAS# 17927-65-0
    Manufacturer: Spectrum Chemical
    Aluminum Sulfate, Purified is a chemical compound that is prepared by adding aluminum hydroxide to sulfuric acid. Aluminum sulfate It is soluble in water and is mainly used in the purification process of drinking water and in waste water treatment plants. It is also used in paper manufacturing. Purified grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $516.25 Special Price $381.88
  17. Potassium Antimony Tartrate Trihydrate, Reagent, ACS, 2.5kg, CAS# 28300-74-5
    Manufacturer: Spectrum Chemical
    Potassium Antimony Tartrate Trihydrate, Reagent, ACS is the double salt of antimony and potassium of tartaric acid. It is also known as antimony potassium tartrate and is a compound with a powerful emetic and has been used as a medication for leishmaniasis. 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 $2,270.95 Special Price $1,703.21
  18. Potassium Antimony Tartrate Trihydrate, Reagent, ACS, 500g, CAS# 28300-74-5
    Manufacturer: Spectrum Chemical
    Potassium Antimony Tartrate Trihydrate, Reagent, ACS is the double salt of antimony and potassium of tartaric acid. It is also known as antimony potassium tartrate and is a compound with a powerful emetic and has been used as a medication for leishmaniasis. 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 $587.70 Special Price $352.62
  19. Bismuth Subgallate, USP, 125g, CAS# 99-26-3
    Manufacturer: Spectrum Chemical
    Bismuth Subgallate, USP is used to treat malodor by deodorizing flatulence and stool odors. 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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    was $311.95 Special Price $230.75
  20. Calcium Carbonate, Low in Alkalis, Powder, ACS, 2.5kg, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Low in Alkalis, Powder, ACS is a naturally found common substance in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate causes a unique reaction with acids which upon contact with an acid produces carbon dioxide regardless of acid strength. 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 $897.40 Special Price $663.83
  21. Lead Sulfate, Powder, Reagent, 500g, CAS# 7446-14-2
    Manufacturer: Spectrum Chemical
    Lead Sulfate, Powder, Reagent (1 per EA )
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    was $432.80 Special Price $259.27
  22. Titanium Dioxide, FCC, 2.5kg, CAS# 13463-67-7
    Manufacturer: Spectrum Chemical
    Titanium Dioxide, FCC is used as a food coloring and has an E-number, E171. 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 $546.55 Special Price $485.16
  23. Sodium Chloride ACS - ACS, 500g, CAS#7647-14-5
    Manufacturer: Dawn Scientific
    Sodium Chloride ACS - ACS, 500g, CAS#7647-14-5 (1 per EA )
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    was $65.62 Special Price $63.98
  24. Calcium Phosphate, Tribasic, Powder, FCC, 500g, CAS# 1306-06-5
    Manufacturer: Spectrum Chemical
    Calcium Phosphate, Tribasic, Powder, FCC is used in powdered spices as an anticaking agent, a raising agent, an antacid and nutritional supplement. 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 $262.65 Special Price $194.28
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