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 Sulfate, Anhydrous, Low Nitrogen, Granular, 500g, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, Anhydrous, Low Nitrogen, Granular is also known as sulphate of potash. It is a white crystalline salt that is non-flammable and soluble in water. It is most often used in fertilizers which provides both sulfur and potassium. 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 $161.80 Special Price $119.69
  2. Calcium Phosphate Tribasic, Powder, Reagent, 12kg, CAS# 1306-06-5
    Manufacturer: Spectrum Chemical
    Calcium Phosphate Tribasic, Powder, Reagent can also be referred to as Tricalcium phosphate and is abbreviated TCP. It is one of the main products of bone combustion but can also be obtained from inorganic sources such as mineral rock. It is used in baby powder as well as in powdered spices as an anti-caking agent. It is also used in gene transfection as well as for repairing bony defects and as a diet supplement. It has also historically been used in the production of porcelain. 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 $3,265.75 Special Price $2,415.75
  3. Silver Nitrate, ACS, 500G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: UN1493 (1 per EA)
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    was $3,868.00 Special Price $2,901.00
  4. Sodium Phosphate, Dibasic, Anhydrous, Reagent, ACS, 125g, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Dibasic, Anhydrous, 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. Used commercially in powered product as an anti-caking agent for those qualities. In a aqueous solution it is basic, with a pH value between 8.0 and 11.0. As an ACS grade Reagent, Spectrum Chemical manufactured Sodium Phosphate, Dibasic, Anhydrous, Reagent ACS is used as the quality standard against which other substances are graded and has met the toughest regulatory standards for quality and purity.

    (1 per EA)
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    was $111.45 Special Price $65.96
  5. Sodium Carbonate, Anhydrous, NF, 12kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, NF is a pH regulator excipient. All Spectrum Chemical NF grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $1,003.45 Special Price $751.38
  6. Magnesium Chloride, Hexahydrate, Flake, FCC, 2.5kg, CS4, 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.

    (4 per CS )
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    $2,166.05
  7. Cupric Sulfate, Pentahydrate, Crystal, CP, 45kg, CAS# 7758-99-8
    Manufacturer: Spectrum Chemical
    Cupric Sulfate, Pentahydrate, Crystal, CP, also known as Copper(II) Sulfate, is a chemical compound that exists as a salt or crystal and differs in the degree of hydration. It uses very from use as a herbicide to use as a dye. It is also used in Benedict's solution, Fehling's solution and Biuret reagent. 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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    $1,855.20
  8. Chromic Chloride, Reagent, 25g, 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 $146.70 Special Price $86.81
  9. Potassium Perchlorate, Crystal, Reagent, ACS, 500g, CAS# 7778-74-7
    Manufacturer: Spectrum Chemical
    Potassium Perchlorate, Crystal, Reagent, ACS, also known as Perchloric acid or peroidin, is an inorganic salt and used as a strong oxidizer. 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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    $396.90
  10. Sodium Carbonate, Hydrous, NF, 2.5kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Hydrous, NF is a pH regulator excipient. All Spectrum Chemical NF grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $963.30 Special Price $721.32
  11. Sodium Chloride, 2.5kg, CAS# 7647-14-5
    Manufacturer: Spectrum Chemical
    Sodium Chloride is an ionic compound that is also known as salt or halite which represents equal parts of sodium and chlorine. It is responsible for the salinity level of the ocean. 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 $153.95 Special Price $113.88
  12. Thallium (I) Nitrate, 50g, CAS# 10102-45-1
    Manufacturer: Spectrum Chemical
    Thallium (I) Nitrate (1 per EA )
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    $408.90
  13. Calcium Sulfate, Anhydrous, FCC, 12kg, CAS# 7778-18-9
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Anhydrous, FCC is used in the food industry as an anticaking agent, dough strengthener and stabilizer. 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 $1,188.30 Special Price $1,054.81
  14. Sodium Carbonate, Monohydrate, FCC, 2.5kg, CAS# 5968-11-6
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Monohydrate, FCC is a food additive (E500) used as an acidity regulator, anti-caking agent, raising agent, and stabilizer. 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 $604.05 Special Price $536.20
  15. Calcium Chloride Anhydrous, 1 Kilogram CAS# 10043-52-4
    Manufacturer: Research Products International
    Mol. Wt:110.98 Common Name: Formula: CaCl2 Dimensions: 4.88 x 6.00 x 4.88, Weight: 2.41, Cas#: 10043-52-4 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $127.70
  16. Oxone(R), Monopersulfate Compound, 100g, CAS# 70693-62-8
    Manufacturer: Spectrum Chemical
    Oxone(R), Monopersulfate Compound, also known as potassium peroxymonosulfate or MPS, is the potassium salt of peroxymonosulfuric acid and used as an oxidizing agent. 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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    $94.90
  17. Sodium Phosphate Monobasic, Monohydrate ACS - ACS, 2.5Kg, CAS#7558-80-7
    Manufacturer: Dawn Scientific
    Sodium Phosphate Monobasic, Monohydrate ACS - ACS, 2.5Kg, CAS#7558-80-7 (1 per EA )
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    was $484.62 Special Price $472.50
  18. Sodium Acetate, Anhydrous, FCC, 12kg, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, FCC is used for controlling the pH level of food items and acts as a 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 $1,610.70 Special Price $1,429.77
  19. Sodium Citrate, Dihydrate, Granular, FCC, 2.5kg, 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.

    (4 per CS )
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    was $2,032.65 Special Price $1,804.32
  20. Stannous Chloride, Dihydrate, Technical, 500g, CAS# 10025-69-1
    Manufacturer: Spectrum Chemical
    Stannous Chloride, Dihydrate, Technical is widely used as a reducing agent (in acid solution), in electrolytic baths for tin-plating steel to make tin cans and as a mordant in textile dyeing. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $241.15 Special Price $178.37
  21. Sodium Carbonate, Anhydrous, Technical, 500g, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, Technical is also known as washing soda. Glass production is by far the biggest use for it. Acting as a flux for silica it enables the melting point to be lower, facilitating the glass making process. As a sodium salt it makes for a great electrolyte and is often used as one in chemistry. It is also used as household water softener, food additive and in taxidermy.

    (1 per EA )
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    was $97.25 Special Price $71.93
  22. Potassium Chloride, 1 Kilogram CAS# 7447-40-7
    Manufacturer: Research Products International
    Mol. Wt:74.6 Common Name: Formula: KCl Dimensions: 4.88 x 6.00 x 4.88, Weight: 2.4, Cas#: 7447-40-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $53.65
  23. Sodium Carbonate, Anhydrous, FCC, 12kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, FCC is a food additive (E500) used as an acidity regulator, anti-caking agent, raising agent, and stabilizer. 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 $1,073.80 Special Price $953.19
  24. Calcium Chloride anhydrous CP, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Calcium Chloride anhydrous CP, 500.00 g wide mouth (1 per EA )
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    was $77.50 Special Price $58.32
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