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 Thiocyanate, Crystal, Reagent, ACS, 125g, CAS# 333-20-0
    Manufacturer: Spectrum Chemical
    Potassium Thiocyanate, Crystal, Reagent, ACS, one of the pseudohalides, is an important salt of the thiocyanate anion. Often used in chemical synthesis, it can also be used in theatrical special effects to create a relatively realistic blood effect. As an ACS grade Reagent, Spectrum Chemical manufactured potassium thiocyanate is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

    (6 per CS )
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    was $669.85 Special Price $396.40
  2. Sodium Phosphate, Monobasic, Monohydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 10049-21-5
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Monobasic, Monohydrate, Crystal, Reagent, ACS is one of the sodium salts derived from phosphoric acid. Highly hygroscopic and water soluble it comes in the form of a white powder. It is used commercially in powered products as an anti-caking agent for those qualities. In a watered solution it is basic, with a pH value between 8.0 and 11.0. 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.

    (4 per CS )
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    was $3,036.20 Special Price $2,245.96
  3. Ammonium Citrate Dibasic, Reagent, ACS, 12kg, 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 $2,371.45 Special Price $1,754.21
  4. Magnesium Sulfate, Heptahydrate, FCC, 45kg, 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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    $999.44
  5. Potassium phosphate monobasic, CAS# 7778-77-0, 500g
    Manufacturer: Dawn Scientific
    HPLC Buffer Salts (1 per EA )
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    was $115.62 Special Price $112.73
  6. Strontium Chloride, Hexahydrate, 25g, CAS# 10025-70-4
    Manufacturer: Spectrum Chemical
    Strontium Chloride, Hexahydrate (1 per EA )
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    $80.50
  7. Mercuric Oxide, red ACS, 30.00 g Each
    Manufacturer: Reagents Inc
    Mercuric Oxide, red ACS, 30.00 g Each (1 per EA )
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    was $96.00 Special Price $72.36
  8. Ammonium Nitrate ACS, 3.00 K Each
    Manufacturer: Reagents Inc
    Ammonium Nitrate ACS, 3.00 K Each (1 per EA )
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    was $446.00 Special Price $334.80
  9. 1-Hexane sulfonic acid sodium salt (Anhydrous), CAS# 2832-45-3, 50g
    Manufacturer: Dawn Scientific
    1-Hexane sulfonic acid sodium salt (Anhydrous), CAS# 2832-45-3, 50g (1 per EA )
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    was $229.62 Special Price $223.88
  10. Magnesium Carbonate, Heavy, Powder, USP, 2.5kg, CAS# 59467-70-8
    Manufacturer: Spectrum Chemical
    Magnesium Carbonate, Heavy, Powder, USP (1 per EA )
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    $1,018.95
  11. Chromium Picolinate, Powder, 100g, CAS# 14639-25-9
    Manufacturer: Spectrum Chemical
    Chromium Picolinate, Powder is a chemical compound most commonly used as a nutritional supplement to treat chromium deficiency. It is bright red and comes from picolinic acid and chromium. 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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    $1,718.60
  12. Zinc Acetate Dihydrate ACS, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Zinc Acetate Dihydrate ACS, 500.00 g wide mouth (1 per EA )
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    was $155.00 Special Price $116.64
  13. Chromium Acetate, Basic, Powder, Purified, 12kg, 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 $1,774.65 Special Price $1,312.75
  14. Potassium Bicarbonate purified, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Potassium Bicarbonate purified, 500.00 g wide mouth (1 per EA )
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    was $91.00 Special Price $68.04
  15. Potassium Chlorate CP Granular, 2.50 K Poly natural
    Manufacturer: Reagents Inc
    Potassium Chlorate CP Granular, 2.50 K Poly natural (1 per EA )
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    was $892.00 Special Price $668.52
  16. Sodium Nitrate, Technical, 100lb, 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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    $1,326.20
  17. 1-Heptane sulfonic acid sodium salt (Anhydrous), CAS# 22767-50-6, 25g
    Manufacturer: Dawn Scientific
    1-Heptane sulfonic acid sodium salt (Anhydrous), CAS# 22767-50-6, 25g (1 per EA )
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    was $119.62 Special Price $116.63
  18. Sodium Tripolyphosphate, 100.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Tripolyphosphate, 100.00 g Glass amb wm (1 per EA )
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    was $50.50 Special Price $37.80
  19. Aluminum Chloride, Anhydrous, Reagent, 500g, CAS# 7446-70-0
    Manufacturer: Spectrum Chemical
    Aluminum Chloride, Anhydrous, Reagent in its pure form is a white and granular solid. Often cited as a Lewis acid this inorganic compound is a good example of a compound that cracks at mild temperature, reversing from a polymer to a monomer. It is often used as a component of antiperspirant in low doses. It can also be used as a catalyst in the ene reaction. 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 $328.25 Special Price $194.25
  20. Calcium Gluconate, Monohydrate, USP, 12kg, CAS# 66905-23-5
    Manufacturer: Spectrum Chemical
    Calcium Gluconate, Monohydrate, 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 $1,633.00 Special Price $1,449.57
  21. Silver Sulfate ACS, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Silver Sulfate ACS, 500.00 g Glass amb wm (1 per EA )
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    was $2,850.00 Special Price $2,137.32
  22. Lead Acetate Trihydrate ACS - ACS, 500g, CAS#6080-56-4
    Manufacturer: Dawn Scientific
    Lead Acetate Trihydrate ACS - ACS, 500g, CAS#6080-56-4 (1 per EA )
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    was $67.62 Special Price $65.93
  23. Sodium Sulfide Nonahydrate ACS, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Sulfide Nonahydrate ACS, 500.00 g Glass amb wm (1 per EA )
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    was $480.00 Special Price $369.27
  24. Sodium Acetate anhydrous ACS, 100.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Acetate anhydrous ACS, 100.00 g Glass amb wm (1 per EA )
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    was $71.00 Special Price $52.92
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