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. Aluminum Potassium Sulfate, Crystal, FCC, 12kg, CAS# 7784-24-9
    Manufacturer: Spectrum Chemical
    Aluminum Potassium Sulfate, Crystal, FCC is commonly used as an additive to baking powder to provide a second leavening phase at high temperatures. 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 $1,917.85 Special Price $1,702.43
  2. Nickel Nitrate, Crystal, Reagent, 125g, CAS# 13478-00-7
    Manufacturer: Spectrum Chemical
    Nickel Nitrate, Crystal, Reagent, also known as Nickelous nitrate, is used as a precursor to supported nickel catalysts. 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 $171.15 Special Price $101.28
  3. Sodium Bisulfate, Monohydrate, Crystal, Reagent, 12kg, CAS# 10034-88-5
    Manufacturer: Spectrum Chemical
    Sodium Bisulfate, Monohydrate, Crystal, Reagent, also known as sodium hydrogen sulfate, is an acid salt created by partial neutralization of sulfuric acid. Sodium bisulfate is used primarily to lower pH and, in jewelry making, sodium bisulfate is the primary ingredient used in many pickling solutions to remove the oxidation layer from surfaces, which occurs after heating. 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 $2,756.60 Special Price $2,039.13
  4. Barium Hydroxide, Octahydrate, Reagent, ACS, 12kg, CAS# 12230-71-6
    Manufacturer: Spectrum Chemical
    Barium Hydroxide, Octahydrate, Reagent, ACS is used in analytical chemistry for the titration of weak acids. It is a clear aqueous solution that allows the use of indicators, such as phenolphthalein and thymolphthalein. 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 $1,343.85 Special Price $994.08
  5. P-Dimethylaminobenzaldehyde, ACS, 100G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $246.30 Special Price $184.72
  6. Calcium Chloride, Anhydrous, Pellets, FCC, 500g, 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 $147.20 Special Price $108.89
  7. Cupric Acetate, Monohydrate, Crystal, Reagent, ACS, 125g, CAS# 6046-93-1
    Manufacturer: Spectrum Chemical
    Cupric Acetate, Monohydrate, Crystal, Reagent, ACS or copper (II) acetate is used as a catalyst or oxidizing reagent for the synthesis of various inorganic and organic compounds. 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 $166.10 Special Price $98.29
  8. Sodium Nitroferricyanide, Dihydrate, Crystal, Reagent, ACS, 25g, CAS# 13755-38-9
    Manufacturer: Spectrum Chemical
    Sodium Nitroferricyanide, Dihydrate, Crystal, Reagent, ACS (1 per EA )
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    was $185.70 Special Price $109.89
  9. Sodium Dichromate, Crystal, Reagent, 2.5kg, CAS# 7789-12-0
    Manufacturer: Spectrum Chemical
    Sodium Dichromate, Crystal, Reagent, also known as chromic acid disodium salt, is considered to be very similar to potassium dichromate in terms of reactivity and appearance. Dichromate and chromate salts are oxidizing agents. For the tanning of leather, sodium dichromate is first reduced with sulfur dioxide. 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 $1,416.80 Special Price $1,048.04
  10. Calcium Phosphate Dibasic, Anhydrous, Powder, Reagent, 500g, CAS# 7757-93-9
    Manufacturer: Spectrum Chemical
    Calcium Phosphate Dibasic, Anhydrous, Powder, Reagent or Dicalcium phosphate is mainly used as a dietary supplement in prepared breakfast cereals, dog treats, enriched flour, and noodle products as a source of calcium. It is also used as a binding tableting agent in some pharmaceutical preparations. It is used in poultry feed. It is also used in some toothpastes as a tartar control agent. 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 $287.65 Special Price $170.23
  11. Sodium Citrate, Dihydrate, ACS, CAS# 1545801
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Citrosodine; Trisodium Citrate, Dihydrate; Citric Acid, Trisodium Salt, Dihydrate (1 per EA)
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    $298.95
  12. Chromium Trioxide, Flakes, Purified, 50kg, CAS# 1333-82-0
    Manufacturer: Spectrum Chemical
    Chromium Trioxide, Flakes, Purified is a flaky dark purple solid when anhydrous and turns orange when when wet. Its main use is in chrome-plating. Typically used with additives during the plating process that do not affect the trioxide, it can also be used with chromic acid to apply certain types of anodic coating to aluminum.

    (1 per EA )
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    $2,386.40
  13. Magnesium Oxide, Light Powder, USP, 500g, CAS# 1309-48-4
    Manufacturer: Spectrum Chemical
    Magnesium Oxide, Light 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 $242.10 Special Price $181.28
  14. Ferric Oxide, Red, Powder, Technical, 2.5kg, CAS# 1309-37-1
    Manufacturer: Spectrum Chemical
    Ferric Oxide, Red, Powder, Technical, also known as iron(II) oxide, is one of the main oxides of iron. It is sometimes referred to as rust and also occurs naturally as the mineral magnetite. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $467.40 Special Price $345.75
  15. Sodium Borate, Decahydrate, Powder, Reagent, ACS, 500g, CAS# 1303-96-4
    Manufacturer: Spectrum Chemical
    Sodium Borate, Decahydrate, Powder, Reagent, ACS, also known as borax or sodium tetraborate, is a white crystalline powder that easily dissolves in water. Sodium borate has many uses including but not limited to; detergents, cosmetics, enamel glazes, fire retardant, and a texturing agent in cooking. 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 $158.05 Special Price $93.53
  16. Manganese Sulfate, Monohydrate, Powder, USP, 2.5kg, CS4, CAS# 10034-96-5
    Manufacturer: Spectrum Chemical
    Manganese Sulfate, Monohydrate, Powder, USP is used as a trace element added to parenteral nutrition (PN) to prevent manganese deficiency; orally as a dietary supplement. 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.

    - 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.

    (4 per CS )
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    $2,369.95
  17. Sodium Acetate, Trihydrate, Granular, USP, 2.5kg, CAS# 6131-90-4
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Trihydrate, Granular, USP is a moderately water soluble crystalline source of Sodium and serves as processing aid excipient. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    $564.85
  18. Sodium Azide ACS - ACS, 2.5Kg, CAS#26628-22-8
    Manufacturer: Dawn Scientific
    Sodium Azide ACS - ACS, 2.5Kg, CAS#26628-22-8 (1 per EA )
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    was $699.62 Special Price $682.13
  19. Ferric Ammonium Oxalate, Granular, 500g, CAS# 13268-42-3
    Manufacturer: Spectrum Chemical
    Ferric Ammonium Oxalate, Granular is a water soluble product used in the manufacturing of blueprint paper and for the chemical absorption on anodized aluminum, producing a range of gold colors from light champagne hues to dark gold finishes. 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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    $155.30
  20. Sodium Sesquicarbonate, Dihydrate, 12kg, CAS# 533-96-0
    Manufacturer: Spectrum Chemical
    Sodium Sesquicarbonate, Dihydrate, with a systematic name trisodium hydrogen dicarbonate, is used as an alkalinity source for water treatment. 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.

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    was $735.70 Special Price $544.21
  21. Magnesium Carbonate, Heavy, Powder, USP, 25kg, CAS# 546-93-0
    Manufacturer: Spectrum Chemical
    Magnesium Carbonate, Heavy, Powder, USP (1 per EA )
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    $534.55
  22. Mercuric Sulfate, Powder, Reagent, ACS, 12kg, CAS# 7783-35-9
    Manufacturer: Spectrum Chemical
    Mercuric Sulfate, Powder, Reagent, ACS, also referred to as mercury sulfate, is a solid and odorless substance. When mixed with water it separates into two parts, an insoluble sulfate and the highly corrosive sulfuric acid. It has several uses, among them are the production of acetaldehyde, hydration of alkynes, the oxymercuration and demercuration of alkenes. 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 $20,603.10 Special Price $15,427.60
  23. Sodium Perchlorate, Anhydrous, Reagent, ACS, 25g, CAS# 7601-89-0
    Manufacturer: Spectrum Chemical
    Sodium Perchlorate, Anhydrous, Reagent, ACS (1 per EA )
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    $82.05
  24. Mercuric Sulfate, Powder, Reagent, ACS, 25g, CAS# 7783-35-9
    Manufacturer: Spectrum Chemical
    Mercuric Sulfate, Powder, Reagent, ACS, also referred to as mercury sulfate, is a solid and odorless substance. When mixed with water it separates into two parts, an insoluble sulfate and the highly corrosive sulfuric acid. It has several uses, among them are the production of acetaldehyde, hydration of alkynes, the oxymercuration and demercuration of alkenes. 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 $324.10 Special Price $194.15
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