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. Silver Nitrate, Crystal, USPture Heat Transfer Fluid, 100g CAS# 7761-88-8
    Manufacturer: Spectrum Chemical
    Silver Nitrate, Crystal, USP is a prescription topical solution used in treating wounds and burns on the skin as an anti-infective agent. 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 $4,991.00 Special Price $3,737.26
  2. Potassium Bromate, Granular, Reagent, ACS, 125g, CAS# 7758-01-2
    Manufacturer: Spectrum Chemical
    Potassium Bromate, Granular, Reagent, ACS is also known as bromic acid or potassium salt. It is considered an oxidizing agent and has been used in the production of malt barley. 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 $170.45 Special Price $100.87
  3. Potassium Bromide, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $156.80 Special Price $117.60
  4. Sodium Propionate, FCC, 12kg, CAS# 137-40-6
    Manufacturer: Spectrum Chemical
    Sodium Propionate, FCC is used primarily as a food 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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    $1,255.00
  5. Manganese Sulfate, Monohydrate, CP, 12kg, CAS# 10034-96-5
    Manufacturer: Spectrum Chemical
    Manganese Sulfate, Monohydrate, CP, also known as Manganese(II) sulfate, is the precursor to many chemical compounds including manganese metal. 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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    was $1,139.65 Special Price $853.36
  6. Sodium Citrate, Dihydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 6132-04-3
    Manufacturer: Spectrum Chemical
    Sodium Citrate, Dihydrate, Crystal, Reagent, ACS, a sodium salt of citric acid and sometimes termed "sour salt" due to it's mildly tarty flavor is commonly used as an acidity buffer or regulator and as an anticoagulant. As an anticoagulant, the Sodium Citrate chelates calcium ions in the blood that in turn disrupts the clotting process. As an ACS grade Reagent, Spectrum Chemical manufactured sodium citrate is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

    (4 per CS )
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    was $1,465.40 Special Price $1,084.00
  7. Aluminum Chloride, Hexahydrate, Crystal, Reagent, 2.5kg, CAS# 7784-13-6
    Manufacturer: Spectrum Chemical
    Aluminum Chloride, Hexahydrate, Crystal, 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 or as a polymerization in the reactions of hydrocarbons. 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.

    (4 per CS )
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    was $2,798.50 Special Price $2,070.12
  8. Aluminum Potassium Sulfate, Crystal, Reagent, ACS, 500g, CAS# 7784-24-9
    Manufacturer: Spectrum Chemical
    Aluminum Potassium Sulfate, Crystal, Reagent, ACS or potassium alum, is commonly used in water purification or in the clarifying of turbid liquids. 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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    was $2,097.50 Special Price $1,241.27
  9. Aluminum Sulfate, Hydrated, Crystal, Reagent, ACS, 2.5kg, CAS# 7784-31-8
    Manufacturer: Spectrum Chemical
    Aluminum Sulfate, Hydrated, Crystal, Reagent, ACS is soluble in water and is suitable for your development, manufacturing or research applications. 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.

    (4 per CS )
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    was $5,991.30 Special Price $4,431.92
  10. Chromium Trioxide, Crystal, Reagent, ACS, 125g, CAS# 1333-82-0
    Manufacturer: Spectrum Chemical
    Chromium Trioxide, Crystal, Reagent, ACS 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. 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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    was $1,244.40 Special Price $736.41
  11. Nickel Chloride, Hexahydrate, Crystal, Reagent, 500g, CAS# 7791-20-0
    Manufacturer: Spectrum Chemical
    Nickel Chloride, Hexahydrate, Crystal, Reagent is an anhydrous salt also known as nickelous chloride or nickel(II) salt of hydrochloric acid. It is considered one of the most important sources of nickel for chemical synthesis. 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.

    (6 per CS )
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    was $1,879.05 Special Price $1,111.99
  12. Potassium Acetate, Crystal, Reagent, ACS, 2.5kg, CAS# 127-08-2
    Manufacturer: Spectrum Chemical
    Potassium Acetate, Crystal, Reagent, ACS is used in molecular biology to precipitate dodecyl sulfate (DS) and DS-bound proteins, allowing the removal of proteins from DNA. It is also used as a salt for the ethanol precipitation of DNA. Potassium acetate is also used in mixtures applied for tissue preservation, fixation, and mummification. 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.

    (4 per CS )
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    was $4,074.85 Special Price $3,014.27
  13. Potassium Permanganate, Crystal, Reagent, ACS, 500g, CAS# 7722-64-7
    Manufacturer: Spectrum Chemical
    Potassium Permanganate, Crystal, Reagent, ACS, also known as permangante of potash, is an inorganic chemical compound and is a powerful oxidizing agent. It is water soluble and, when dissolved, becomes a pink to purple solution. It is commonly used in the film and television industry to create an old effect on props and as an antiseptic when diluted. It is also used extensively in the water treatment industry and as a reagent for the synthesis of organic compounds. 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.

    (6 per CS )
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    was $1,222.30 Special Price $723.33
  14. Potassium Persulfate, Crystal, Reagent, 500g, CAS# 7727-21-1
    Manufacturer: Spectrum Chemical
    Potassium Persulfate, Crystal, Reagent, also known as potassium peroxydisulfate, is a strong oxidant used to initiate polymerizations. 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.

    (6 per CS )
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    was $1,235.80 Special Price $731.32
  15. Sodium Bisulfate, Monohydrate, Crystal, Reagent, 500g, 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.

    (6 per CS )
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    was $1,664.00 Special Price $1,230.91
  16. Sodium Chloride, Crystal, Reagent, ACS, 2.5kg, CAS# 7647-14-5
    Manufacturer: Spectrum Chemical
    Sodium Chloride, Crystal, Reagent, ACS, or table salt, is a white crystalline solid. In cosmetics and personal care products, Sodium Chloride is used in the formulation of oral hygiene products, shampoos, fragrance, skin, hair, nail, cleansing, suntan, makeup and bath products. This grade is specifically used in thickener applications. 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 $859.70 Special Price $635.95
  17. Sodium Phosphate, Dibasic, Heptahydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 7782-85-6
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Heptahydrate, Crystal, Reagent, ACS is one of the sodium salts derived from phosphoric acid. It is highly hygroscopic and water soluble. It is used commercially in powered product as an anti-caking agent. In aqueous 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 $2,213.70 Special Price $1,637.53
  18. Barium Sulfate, Powder, Reagent, 2.5kg, CAS# 7727-43-7
    Manufacturer: Spectrum Chemical
    Barium Sulfate, Powder, Reagent is a white crystalline inorganic compound that has no odor and is not water soluble. It is used in the production of pigments, as a paper brightener, plastic filler and radiocontrast 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.

    (CAS# 7727-43-7, Molecular Formula: BaSO4) Barium Sulfate, Powder, Reagent (1 per EA )
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    was $900.30 Special Price $665.97
  19. Potassium Phosphate, Monobasic, Anhydrous, ACS, 500 g, Poly CAS# 7778-77-0
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Potassium Phosphate, Monobasic, Anhydrous, ACS, 500 g, Poly CAS# 7778-77-0 (1 per EA )
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    $27.15
  20. Sodium Bifluoride, Technical, 50kg, CAS# 1333-83-1
    Manufacturer: Spectrum Chemical
    Sodium Bifluoride, Technical, also known as Sodium hydrogen fluoride, is a bifluoride anion and a salt of sodium cation. It is primarily a precursor to sodium fluoride. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $1,697.00
  21. Ammonium Persulfate ACS - ACS, 500g, CAS#7727-54-0
    Manufacturer: Dawn Scientific
    Ammonium Persulfate ACS - ACS, 500g, CAS#7727-54-0 (1 per EA )
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    was $73.62 Special Price $71.78
  22. Bismuth Subsalicylate, Purified, 500g, CAS# 14882-18-9
    Manufacturer: Spectrum Chemical
    Bismuth Subsalicylate, Purified is used as an internal deodorant and treats malodor by deodorizing flatulence and stool odors. It is usually given to people who suffer from fecal incontinence, IBS or who have has ostomy surgery or bariatric surgery. 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 $491.85 Special Price $363.83
  23. Gold (I) Chloride, 1g, CAS# 10294-29-8
    Manufacturer: Spectrum Chemical
    Gold (I) Chloride (1 per EA )
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    $548.55
  24. Ammonium Fluoride ACS - ACS, 500g, CAS#3734614
    Manufacturer: Dawn Scientific
    Ammonium Fluoride ACS - ACS, 500g, CAS#3734614 (1 per EA )
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    was $145.62 Special Price $141.98
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