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 Carbonate, Anhydrous, Reagent, ACSent, ACS, 2.5kg, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, Powder, Reagent, ACS also known as washing soda, is a white powder without smell that readily absorbs moisture present in the air. Glass production is by far the biggest source of 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. 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 $1,932.70 Special Price $1,429.67
  2. Ferric Oxide, Powder, Reagent, 125g, CAS# 1309-37-1
    Manufacturer: Spectrum Chemical
    Ferric Oxide, Powder, Reagent is an inorganic compound and is one of the main oxides of iron. It is used as a polishing agent (jeweler's rouge), a pigment and a photocatalyst. 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 $94.90 Special Price $56.16
  3. Sodium Diethyldithiocarbamate, Trihydrate, Reagent, ACS, 125g, CAS# 20624-25-3
    Manufacturer: Spectrum Chemical
    Sodium Diethyldithiocarbamate, Trihydrate, Reagent, ACS, an organosulfur compound, can be used as chelating agents for transition metal ions and as precursors to vulcanization reagents and herbicides. 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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    $338.00
  4. Anhydrous Dibasic Calcium Phosphate, Powder, USP, 45kg, CAS# 7757-93-9
    Manufacturer: Spectrum Chemical
    Anhydrous Dibasic Calcium Phosphate, 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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    $1,857.05
  5. Lead Dioxide, Powder, 12kg, CAS# 1309-60-0
    Manufacturer: Spectrum Chemical
    Lead Dioxide, Powder, also known as Plumbic oxide, is used as anode material in electrochemistry. 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 $4,986.05 Special Price $3,733.55
  6. Sodium Citrate, Anhydrous, Reagent, 500g, CAS# 68-04-2
    Manufacturer: Spectrum Chemical
    Sodium Citrate, Anhydrous, Reagent (1 per EA )
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    was $237.05 Special Price $142.23
  7. Gold Chloride, Trihydrate, Reagent, ACS, 25g, CAS# 16961-25-4
    Manufacturer: Spectrum Chemical
    Gold Chloride, Trihydrate, Reagent, ACS is a chemical compound of gold and chlorine. It is used as an analytical testing agent in the Laboratory to determine quality and purity ratings. Primarily used as a catalyst for reactions involving alkynes, there are other laboratory applications.

    (1 per EA )
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    was $7,517.95 Special Price $5,561.21
  8. Calcium Acetate, USP, 2.5kg, CAS# 62-54-4
    Manufacturer: Spectrum Chemical
    Calcium Acetate, USP is a buffering agent 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 $583.50 Special Price $431.63
  9. DipHenylamine, ACS, 100G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $94.30 Special Price $70.73
  10. 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.

    (1 per EA )
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    was $298.60 Special Price $176.71
  11. Calcium Carbonate, Low in Alkalis, Powder, ACS, 500g, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Low in Alkalis, Powder, ACS is a naturally found common substance in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate causes a unique reaction with acids which upon contact with an acid produces carbon dioxide regardless of acid strength. 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 $1,651.80 Special Price $977.51
  12. Calcium Chloride, Anhydrous, Granular, FCC, 12kg, CAS# 10043-52-4
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Anhydrous, Granular, 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 $1,372.75 Special Price $1,218.55
  13. Sodium Perborate, Tetrahydrate, Granular, Purified, 2.5kg, CAS# 10486-00-7
    Manufacturer: Spectrum Chemical
    Sodium Perborate, Tetrahydrate, Granular, Purified is used as a bleaching agent or an antiseptic. It is also known to crystallize as the monohydrate. 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 $350.95 Special Price $259.60
  14. Silver Nitrate, Crystal, USP, 250g, 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 $2,823.95 Special Price $2,114.57
  15. Potassium Sulfate, Powder, Reagent, ACS, 2.5kg, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, Powder, Reagent, ACS is also called sulfate of potash and is a white crystalline salt commonly used in fertilizers. It is soluble in water and provides both sulfur and potassium. 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 $3,376.50 Special Price $2,497.68
  16. Ammonium Peroxydisulfate, Crystal, Reagent, ACS, 100g, CAS# 7727-54-0
    Manufacturer: Spectrum Chemical
    Ammonium Peroxydisulfate, Crystal, Reagent, ACS is a salt that is highly water soluble oxidizing agent. It is often used for its oxidizing properties to etch copper on circuit boards and is also used to extract copper from chalcopyrite under high pressure. 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 $129.65 Special Price $76.72
  17. Mercurous Chloride, Powder, Reagent, ACS, 125g, CAS# 10112-91-1
    Manufacturer: Spectrum Chemical
    Mercurous Chloride, Powder, Reagent, ACS, also known as Mercury(I) chloride, is a component of reference electrodes in electrochemistry. 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 $557.50 Special Price $333.96
  18. Sodium Pyrophosphate, Decahydrate, Crystal, Reagent, ACS, 2.5kg, CAS# 13472-36-1
    Manufacturer: Spectrum Chemical
    Sodium Pyrophosphate, Decahydrate, Crystal, Reagent, ACS is also known as tetrasodium pyrophosphate and is employed as a buffering agent as well as a thickening agent and can be found in many foods under the shape of a food additive. It is also used in toothpaste to aid in tartar control in the mouth. 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 $818.50 Special Price $605.47
  19. Arsenic Trioxide, Powder, Reagent, ACS, 500g, CAS# 1327-53-3
    Manufacturer: Spectrum Chemical
    Arsenic Trioxide, Powder, Reagent, ACS is an inorganic compound that is also an amphoteric oxide and can be dissolved in solutions that are alkaline to give arsenites. It main uses are in the colorless glass making industry. It is also commonly found in traditional Chinese medicine. 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 $6,186.15 Special Price $3,660.84
  20. Potassium Iodide, USP, 45kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, 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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    $9,967.85
  21. Calcium Nitrate, Tetrahydrate, Crystal, Reagent, ACS, 125g, CAS# 13477-34-4
    Manufacturer: Spectrum Chemical
    Calcium Nitrate, Tetrahydrate, Crystal, Reagent, ACS is a colorless solid that absorbs moisture from air. Calcium nitrate is used mainly as a component in fertilizer and in the manufacturing of cooling packs. 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 $125.15 Special Price $74.07
  22. Lead Acetate, Trihydrate, Crystal, Technical, 2.5kg, CAS# 6080-56-4
    Manufacturer: Spectrum Chemical
    Lead Acetate, Trihydrate, Crystal, Technical, also known as lead diacetate, is used in men's hair coloring products and as an astringent. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $749.35 Special Price $561.11
  23. Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS, 500g, CAS# 7782-61-8
    Manufacturer: Spectrum Chemical
    Ferric Nitrate, Nonahydrate, Crystal, Reagent, ACS is a deliquescent chemical compound that forms colorless or light purple crystals. It is considered a useful oxidant in organic synthesis, specifically for the oxidation of alcohols to aldehydes. 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 $297.10 Special Price $175.81
  24. Sodium Succinate, Anhydrous, Reagent, 12kg, CAS# 150-90-3
    Manufacturer: Spectrum Chemical
    Sodium Succinate, Anhydrous, Reagent is the sodium salt of a dicarboxylic acid which is used primarily as an acidity regulator and an industrial biotechnology raw material. 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
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