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 Citrate, Monohydrate, Crystal, Reagent, 125g, CAS# 6100-05-6
    Manufacturer: Spectrum Chemical
    Potassium Citrate, Monohydrate, Crystal, Reagent is a white, crystalline powder that is hygroscopic. It has no odor and has a slightly salty taste. It is a potassium salt of citric acid and is most frequently used as a buffering agent, sequestrant and acidity regulator. 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.

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    was $94.90 Special Price $56.16
  2. Potassium Thiocyanate, Crystal, Reagent, ACS, 25g, 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.

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    was $116.45 Special Price $68.91
  3. Potassium Chlorate, Crystal, Reagent, ACS, 125g, CAS# 3811-04-9
    Manufacturer: Spectrum Chemical
    Potassium Chlorate, Crystal, Reagent, ACS has been used as an oxidizing agent, a disinfectant, in oxygen preparation, and in the detection of aluminum. This simple ionic salt can yield free chlorate ions in solution which is thought to be the species responsible for this versatile activity. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

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    was $209.30 Special Price $123.85
  4. Potassium Ferrocyanide, Trihydrate, Crystal, Reagent, ACS, 125g, CAS# 14459-95-1
    Manufacturer: Spectrum Chemical
    Potassium Ferrocyanide, Trihydrate, Crystal, Reagent, ACS is an inorganic compound that is a salt with a light yellow tint. Mainly used as an anti-caking agent in both road and table salt. It has several other niche uses and within the laboratory to determine potassium permanganate concentration levels. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and pureness.

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    was $226.45 Special Price $134.01
  5. 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.

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    was $265.70 Special Price $157.24
  6. Sodium Succinate, Hexahydrate, Reagent, 12kg, CAS# 6106-21-4
    Manufacturer: Spectrum Chemical
    Sodium Succinate, Hexahydrate, Reagent, also known as succinic acid, is a diprotic and dicarboxylic acid. It is involved in an energy-yielding process known as the citric acid cycle. 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 $2,221.95 Special Price $1,643.63
  7. Cadmium Chloride, Hydrated, Crystal, Reagent, 125g, CAS# 7790-78-5
    Manufacturer: Spectrum Chemical
    Cadmium Chloride, Hydrated, Crystal, Reagent is used for the preparation of cadmium sulfide. 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.

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    was $332.95 Special Price $197.04
  8. Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS, 125g, CAS# 10026-22-9
    Manufacturer: Spectrum Chemical
    Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS is an inorganic cobalt salt of nitric acid. It is often a red brownish color and a deliquescent salt that is water soluble. It is created by the interaction of cobalt oxide, hydroxide or carbonate with nitric acid. 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.

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    was $257.30 Special Price $152.27
  9. Potassium Nitrite, Crystal, Technical, 2.5kg, CAS# 7758-09-0
    Manufacturer: Spectrum Chemical
    Potassium Nitrite, Crystal, Technical, an ionic salt, is an oxidizer that accelerates the combustion of other materials. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $995.25 Special Price $736.20
  10. Sodium Molybdate, Dihydrate, Crystal, CP, 500g, CAS# 10102-40-6
    Manufacturer: Spectrum Chemical
    Sodium Molybdate, Dihydrate, Crystal, CP is a white crystalline solid that is used in agriculture as a fertilizer and in water treatment as well as in industry as a corrosion inhibitor. The CP or chemically pure grade signifies that this material is of purity suitable for use in general applications.

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    $515.95
  11. Sodium Phosphate Tribasic, Dodecahydrate, Crystal, Technical, 2.5kg, CAS# 10101-89-0
    Manufacturer: Spectrum Chemical
    Sodium Phosphate Tribasic, Dodecahydrate, Crystal, Technical or trisodium phosphate, is used as a cleaning agent and is sufficiently alkaline to saponify grease and oils. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $284.75 Special Price $210.63
  12. Ammonium Bicarbonate, Crystal, Reagent, 12kg, CAS# 1066-33-7
    Manufacturer: Spectrum Chemical
    Ammonium Bicarbonate, Crystal, Reagent is an inorganic compound and the bicarbonate salt of ammonium. It is a solid compound that does not have any color and degrades to carbon dioxide and ammonia. Ammonium Bicarbonate is also used for buffering solutions to slightly alkaline pH during chemical purification, such as High Performance Liquid Chromatography. 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 $1,092.95 Special Price $808.48
  13. Ammonium Fluoride, Crystal, Reagent, ACS, 500g, CAS# 12125-01-8
    Manufacturer: Spectrum Chemical
    Ammonium Fluoride, Crystal, Reagent, ACS is an inorganic compound that has a pungent salty taste and is soluble water. Ammonium fluoride is used for preserving wood, as a mothproofing agent, in printing and dying textiles, and as an antiseptic in breweries. 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.

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    was $461.40 Special Price $273.05
  14. Ammonium Phosphate Dibasic, Crystal, Reagent, ACS, 12kg, CAS# 7783-28-0
    Manufacturer: Spectrum Chemical
    Ammonium Phosphate Dibasic, Crystal, Reagent, ACS is a crsytalline powder that is water soluble and has a typical pH of 7.5. As an ACS grade Reagent, Spectrum Chemical manufactured ammonium phosphate is used as the quality standard against which other substances are graded and meet the toughest regulatory standards for quality and pureness.

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    was $1,755.65 Special Price $1,298.69
  15. Ammonium Phosphate Dibasic, Crystal, Reagent, ACS, 500g, CAS# 7783-28-0
    Manufacturer: Spectrum Chemical
    Ammonium Phosphate Dibasic, Crystal, Reagent, ACS is a crsytalline powder that is water soluble and has a typical pH of 7.5. As an ACS grade Reagent, Spectrum Chemical manufactured ammonium phosphate is used as the quality standard against which other substances are graded and meet the toughest regulatory standards for quality and pureness.

    (1 per EA )
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    was $214.70 Special Price $127.05
  16. Ammonium Sulfate, Crystal, Reagent, ACS, 12kg, CAS# 7783-20-2
    Manufacturer: Spectrum Chemical
    Ammonium Sulfate, Crystal, Reagent, ACS is an inorganic salt that is very soluble in water most often used as a soil fertilizer to release minute amounts of acid. It is also used in biochemistry as a precipitant to purify protein, used as a flame retardant. 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.

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    was $718.25 Special Price $531.31
  17. Barium Nitrate, Crystal, Reagent, ACS, 2.5kg, CAS# 10022-31-8
    Manufacturer: Spectrum Chemical
    Barium Nitrate, Crystal, Reagent, ACS is a water soluble, white solid and when mixed with aluminum powder, a formula for flash powder, is highly explosive. 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.

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    was $902.80 Special Price $667.83
  18. Cadmium Chloride, Hydrated, Crystal, Reagent, 2.5kg, CAS# 7790-78-5
    Manufacturer: Spectrum Chemical
    Cadmium Chloride, Hydrated, Crystal, Reagent is used for the preparation of cadmium sulfide. 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 $3,067.25 Special Price $2,268.92
  19. Chromium Trioxide, Crystal, Reagent, ACS, 500g, 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.

    (1 per EA )
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    was $609.50 Special Price $360.69
  20. Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS, 12kg, CAS# 10026-22-9
    Manufacturer: Spectrum Chemical
    Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS is an inorganic cobalt salt of nitric acid. It is often a red brownish color and a deliquescent salt that is water soluble. It is created by the interaction of cobalt oxide, hydroxide or carbonate with nitric acid. 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 $5,522.85 Special Price $4,085.39
  21. Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS, 500g, CAS# 10026-22-9
    Manufacturer: Spectrum Chemical
    Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS is an inorganic cobalt salt of nitric acid. It is often a red brownish color and a deliquescent salt that is water soluble. It is created by the interaction of cobalt oxide, hydroxide or carbonate with nitric acid. 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 $595.60 Special Price $352.47
  22. Ferrous Chloride, Crystal, Reagent, 12kg, CAS# 13478-10-9
    Manufacturer: Spectrum Chemical
    Ferrous Chloride, Crystal, Reagent is used in the laboratory synthesis of iron complexes and as a reducing flocculating agent in wastewater treatment, especially for wastes containing chromate. 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 $3,975.05 Special Price $2,940.44
  23. Lead Acetate, Trihydrate, Crystal, Reagent, ACS, 2.5kg, CS4, CAS# 6080-56-4
    Manufacturer: Spectrum Chemical
    Lead Acetate, Trihydrate, Crystal, Reagent, ACS is a chemical compound and is obtained by treating lead oxide with acetic acid. It is used as a reagent and comes in a crystalline form. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are 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 $2,831.30 Special Price $2,120.07
  24. Lead Acetate, Trihydrate, Crystal, Reagent, ACS, 500g, CAS# 6080-56-4
    Manufacturer: Spectrum Chemical
    Lead Acetate, Trihydrate, Crystal, Reagent, ACS is a chemical compound and is obtained by treating lead oxide with acetic acid. It is used as a reagent and comes in a crystalline form. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are 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 $252.80 Special Price $151.44
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