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. Sodium Bisulfite, Granular, FCC, 2.5kg, CAS# 7631-90-5
    Manufacturer: Spectrum Chemical
    Sodium Bisulfite, Granular, FCC is used as an antioxidant to preserve the aromas and flavors. 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 $451.65 Special Price $400.92
  2. Sodium Sulfide, Fused Flakes, 500g, CAS# 27610-45-3
    Manufacturer: Spectrum Chemical
    Sodium Sulfide, Fused Flakes, also known as disodium sulfide, is used as an oxygen scavenger agent in water treatment as well as a metals precipitant. 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
  3. Lead Oxide, Yellow, Powder, Reagent, 125g, CAS# 1317-36-8
    Manufacturer: Spectrum Chemical
    Lead Oxide, Yellow, Powder, Reagent (1 per EA )
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    was $167.75 Special Price $125.61
  4. Potassium Citrate, Monohydrate, Granular, USP, 50g, CAS# 6100-05-6
    Manufacturer: Spectrum Chemical
    Potassium Citrate, Monohydrate, Granular, USP is used as a pH adjusting 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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    was $153.85 Special Price $113.80
  5. Cobalt Gluconate, Anhydrous, 25g, CAS# 71957-08-9
    Manufacturer: Spectrum Chemical
    Cobalt Gluconate, Anhydrous (1 per EA )
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    $273.20
  6. Manganese Sulfate, Monohydrate, CP, 2.5kg, 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 $378.55 Special Price $283.45
  7. Potassium Fluoride, Anhydrous, Purified, 12kg, CAS# 7789-23-3
    Manufacturer: Spectrum Chemical
    Potassium Fluoride, Anhydrous, Purified is the primary source of the fluoride ion for applications in manufacturing and in chemistry and is the preferred source of fluoride for the conversion of chlorocarbons into fluorocarbons. 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 $2,244.30 Special Price $1,660.17
  8. Polyvinylsulfuric Acid Potassium Salt, 5g, CAS# 26837-42-3
    Manufacturer: Spectrum Chemical
    Polyvinylsulfuric Acid Potassium Salt (1 per EA )
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    $458.75
  9. Ammonium Benzoate, Purified, 2.5kg, CAS# 1863-63-4
    Manufacturer: Spectrum Chemical
    Ammonium Benzoate, Purified (1 per EA )
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    was $583.90 Special Price $431.92
  10. Sodium Thiosulfate, Anhydrous, Reagent, 2.5kg, CAS# 7772-98-7
    Manufacturer: Spectrum Chemical
    Sodium Thiosulfate, Anhydrous, Reagent, is crystalline compound that is colorless. It is used in gold extraction as a lixiviant, in photographic processing to bind soft metals, so that silver halides dissolve when treated with a thiosulfate solution. It is also used in the medical field as an antidote to cyanide poisoning, as an antifungal agent and as a treatment for ringworm. 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 $625.35 Special Price $462.59
  11. Sodium Polyphosphates, Glassy, FCC, 12kg, CAS# 68915-31-1
    Manufacturer: Spectrum Chemical
    Sodium Polyphosphates, Glassy, FCC is used as an acidity regulator, emulsifier and buffering agent, and as a sequestering agent. 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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    $931.40
  12. Calcium Chloride, Dihydrate, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $190.40 Special Price $142.80
  13. Potassium Acid Tartrate, Powder, FCC, 2.5kg, CAS# 868-14-4
    Manufacturer: Spectrum Chemical
    Potassium Acid Tartrate, Powder, FCC or potassium bitartrate is called cream of tartar in the food industry. It is useful to stabilize egg whites and whipped cream, prevents sugar syrups from crystallizing and reduces discoloration of boiled vegetables. 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 $460.25 Special Price $408.55
  14. Sodium Pyruvate, Reagent, FCC, 2.5kg CAS# 113-24-6
    Manufacturer: Spectrum Chemical
    Sodium Pyruvate, Reagent is most often added to the cell culture media as an extra source of energy. Sodium pyruvate also has a protective action against hydrogen peroxide. 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 $77.40 Special Price $46.37
  15. Bismuth Subsalicylate, USP, 25g, CAS# 14882-18-9
    Manufacturer: Spectrum Chemical
    Bismuth Subsalicylate, USP is an antacid medication used to treat temporary discomforts of the stomach and gastrointestinal tract. 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 $105.00 Special Price $77.67
  16. Calcium Chloride, Technical, 12kg, CAS# 10035-04-8
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Technical is a salt that is made using chlorine and calcium. It is usually a solid white powder with an extremely salty taste. It is highly hygroscopic and because of this it must be kept in tightly sealed, air tight containers. Calcium chloride has many uses. Its main use is as a desiccant and deicer. However, calcium chloride also is used as a food additive to add a salty flavor without increasing sodium content, used in medicine to treat hydrofluoric burns, as a sterilization agent for male animals, and as a source for calcium ions. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $749.80 Special Price $554.64
  17. Calcium Chloride, Dihydrate, Reagent, ACS, 2.5kg, CAS# 10035-04-8
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Dihydrate, Reagent, ACS is a analytical grade chemical that is packaged in laboratory size bottles to production drum quantities. As an ACS grade Reagent, Spectrum Chemical manufactured Calcium Chloride is used as the quality standard against which other Calcium Chloride substances are graded and has met the toughest regulatory standards for quality and pureness.

    (1 per EA )
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    was $448.45 Special Price $331.72
  18. Manganese Sulfate, Monohydrate, Reagent, ACS, 500g, 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 $236.05 Special Price $141.40
  19. Potassium Iodide, Granular, Reagent, ACS, 125g, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, Granular, Reagent, ACS is refered to by the chemical formula KI and is an inorganic compound. Used as a component in film photography before the discovery of silver iodide, it is also used in the electrolyte of dye sensitized solar cells. KI is also used as an emergency blockade of radio-iodine, a common form of radiation poisoning. As an ACS grade Reagent, Spectrum Chemical manufactured potassium iodide 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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    $233.05
  20. Ammonium Peroxydisulfate, Purified, 12kg, CAS# 7727-54-0
    Manufacturer: Spectrum Chemical
    Ammonium Peroxydisulfate, Purified this highly water soluble oxidizing agent is a salt. It is often used for its oxidizing properties to etch copper on circuit boards. 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 $1,097.30 Special Price $811.71
  21. Dibasic Sodium Phosphate, Dried, USP, 2.5kg, CAS# 7558-79-4
    Manufacturer: Spectrum Chemical
    Dibasic Sodium Phosphate, Dried, USP is used as a saline laxative to treat constipation or to clean the bowel before a colonoscopy. Spectrum Chemical USP products, including all USP Sodium Phosphate 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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    $678.75
  22. Sodium Carbonate, Monohydrate, FCC, 12kg, 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 $1,430.95 Special Price $1,270.21
  23. Gadolinium Chloride, Hexahydrate, 25g, CAS# 13450-84-5
    Manufacturer: Spectrum Chemical
    Gadolinium Chloride, Hexahydrate, also known as gadolinium trichloride, is a water-soluble solid with applications as relaxation agents in magnetic resonance imaging. 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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    $189.85
  24. Cesium Chloride, Technical, 100g, CAS# 7647-17-8
    Manufacturer: Spectrum Chemical
    Cesium Chloride, Technical is widely used in isopycnic centrifugation for separating various types of DNA. It is a reagent in analytical chemistry, where it is used to identify ions by the color and morphology of the precipitate. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $310.65 Special Price $229.79
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