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 Chromate, Granular, Reagent, ACS, 500g, CAS# 7789-00-6
    Manufacturer: Spectrum Chemical
    Potassium Chromate, Granular, Reagent, ACS is a yellow chemical indicator. It has been used to identify chloride ions in salt solutions that carry silver nitrate. It is also a carcinogen that can cause cancer upon inhalation. 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 $362.05 Special Price $214.25
  2. Titanium Dioxide, Reagent, 12kg, CAS# 13463-67-7
    Manufacturer: Spectrum Chemical
    Titanium Dioxide, Reagent is the naturally available oxide of titanium and is used as a pigment in paints, food coloring, cosmetics and in the production of pure titanium, electrical ceramics, catalysts and other chemical applications. 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 $1,245.45 Special Price $921.28
  3. Lead Carbonate, Powder, CP, 50kg, CAS# 598-63-0
    Manufacturer: Spectrum Chemical
    Lead Carbonate, Powder, CP was formerly used as a white pigment in paints, that was a common cause of painter's colic, and that may cause lead poisoning especially in children who come in contact with or ingest paint from older surfaces which contain it. CP or Chemically Pure grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $3,202.99
  4. Sodium Carbonate anh, purified, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Sodium Carbonate anh, purified, 500.00 g wide mouth (1 per EA )
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    was $33.50 Special Price $24.84
  5. Potassium Sorbate, Powder, FCC, 500g, CAS# 24634-61-5
    Manufacturer: Spectrum Chemical
    Potassium Sorbate, Powder, FCC is used as an antimicrobial preservative. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage, nutritional supplement and personal care 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 $272.80 Special Price $201.80
  6. Potassium Sulfate, FCC, 500g, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, FCC is used as an acidity regulator. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage, nutritional supplement and personal care 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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    $149.90
  7. Aluminum Potassium Sulfate, Technical, 500g, CAS# 7784-24-9
    Manufacturer: Spectrum Chemical
    Aluminum Potassium Sulfate, Technical or potassium alum, is commonly used in water purification or in the clarifying of turbid liquids. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $131.65 Special Price $97.37
  8. Cupric Sulfate, Anhydrous, Powder, Reagent, 5g, CAS# 7758-98-7
    Manufacturer: Spectrum Chemical
    Cupric Sulfate, Anhydrous, Powder, Reagent also known as Copper(II) Sulfate is an inorganic pale green or gray-white powder. As an analytical reagent it is used in Benedict's solution and Fehling's solution to test for reducing sugars and in Biuret reagent to test for proteins. 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 $125.20 Special Price $92.61
  9. Molybdenum Trioxide, Reagent, ACS, 25g, CAS# 1313-27-5
    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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    $116.48
  10. Sodium Periodate, Granular, Reagent, ACS, 500g, 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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    $5,749.60
  11. Sodium Sulfate anh ACS,low org, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Sulfate anh ACS,low org, 500.00 g Glass amb wm (1 per EA )
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    was $112.00 Special Price $84.24
  12. Sodium Thiosulfate, Pentahydrate, Lab Grade - Lab, 500g, CAS#10102-17-7
    Manufacturer: Dawn Scientific
    Sodium Thiosulfate, Pentahydrate, Lab Grade - Lab, 500g, CAS#10102-17-7 (1 per EA )
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    was $44.62 Special Price $43.50
  13. Sodium Citrate, Dihydrate, Granular, FCC, 500g, CAS# 6132-04-3
    Manufacturer: Spectrum Chemical
    Sodium Citrate, Dihydrate, Granular, FCC is used as a flavorant 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 $166.10 Special Price $122.87
  14. Strontium Acetate, 2.5kg, CAS# 543-94-2
    Manufacturer: Spectrum Chemical
    Strontium Acetate is a compound used in some toothpastes to desensitize teeth to extremes of hot and cold, sweets, acids, or contact. 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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    $980.62
  15. 1-Hexanesulfonic acid sodium salt (Monohydrate), CAS# 207300-91-2, 25g
    Manufacturer: Dawn Scientific
    1-Hexanesulfonic acid sodium salt (Monohydrate), CAS# 207300-91-2, 25g (1 per EA )
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    was $119.62 Special Price $116.63
  16. Calcium Chloride, Anhydrous, Pellets, FCC, 2.5kg, CAS# 10043-52-4
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Anhydrous, Pellets, FCC is used as a sequestrant and firming agent in food products. It is considered as generally recognized as safe (GRAS) by the U.S. Food and Drug Administration. 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 $500.25 Special Price $444.05
  17. Lead Dioxide, Powder, 25g, 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 $112.00 Special Price $83.87
  18. Chromic Chloride, Reagent, 125g, CAS# 10060-12-5
    Manufacturer: Spectrum Chemical
    Chromic Chloride, Reagent, is a violet anhydrous compound that can be used as an organic synthesis catalyst and a dye for wool. 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 $280.50 Special Price $166.00
  19. Manganese Sulfate, Monohydrate, Reagent, ACS, 2.5kg, CAS# 10034-96-5
    Manufacturer: Spectrum Chemical
    Manganese Sulfate, Monohydrate, Reagent, ACS, is an inorganic compound that like many metal sulfates can form a variety of hydrates such as heptahydrates, monohydrates, tetrahydrates, pentahydrates. When these salts are dissolved, they tend to give a light pink solution, a characteristic of manganese sulfate. As an ACS grade Reagent, Spectrum Chemical manufactured manganese sulfate 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 $857.55 Special Price $642.12
  20. Magnesium Chloride, Hexahydrate, Flake, FCC, 2.5kg, CAS# 7791-18-6
    Manufacturer: Spectrum Chemical
    Magnesium Chloride, Hexahydrate, Flake, FCC is used as a 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 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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    $625.60
  21. Sodium Nitrate ACS - ACS, 2.5Kg, CAS#7631-99-4
    Manufacturer: Dawn Scientific
    Sodium Nitrate ACS - ACS, 2.5Kg, CAS#7631-99-4 (1 per EA )
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    was $159.62 Special Price $155.63
  22. 1-Octane sulfonic acid sodium salt (Monohydrate), CAS# 207596-29-0, 50g
    Manufacturer: Dawn Scientific
    1-Octane sulfonic acid sodium salt (Monohydrate), CAS# 207596-29-0, 50g (1 per EA )
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    was $229.62 Special Price $223.88
  23. Potassium Iodide, USP, 2.5kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, 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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    $2,186.30
  24. Sodium Bicarbonate, ACS, 50 kg, Drum CAS# 144-55-8
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Sodium Bicarbonate, ACS, 50 kg, Drum CAS# 144-55-8 (1 per EA )
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    $561.15
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