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 Pyruvate, Reagent, 1kg, 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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    $1,492.87
  2. Sodium Hydrosulfite, Reagent, 2.5kg, CAS# 7775-14-6
    Manufacturer: Spectrum Chemical
    Sodium Hydrosulfite, Reagent is also referred to as sodium dithionite and is a white powder with a slight sulfurous odor. Like most salts it is soluble in water and is used in industry as a reducing agent. In Biology it is used to determine the iron content of soil and to lower the redox potential of physiology experiments. 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# 7775-14-6, Molecular Formula: Na2S2O4) Sodium Hydrosulfite, Reagent (1 per EA )

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    was $508.75 Special Price $380.94
  3. Potassium Phosphate, Dibasic, ACS Grade, 500 Grams CAS# 7758-11-4
    Manufacturer: Research Products International
    Mol. Wt:174.2 Common Name: Formula: K2HPO4 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: 7758-11-4 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $71.80
  4. Ferric Chloride CS / EP Yellow, 500.00 mL Glass amber
    Manufacturer: Reagents Inc
    Ferric Chloride CS / EP Yellow, 500.00 mL Glass amber (1 per EA )
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    was $180.00 Special Price $138.48
  5. Potassium Fluoride, Anhydrous, Purified, 45kg, 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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    $4,297.15
  6. Ammonium Citrate Dibasic, Reagent, ACS, 45kg, CAS# 3012-65-5
    Manufacturer: Spectrum Chemical
    Ammonium Citrate Dibasic, Reagent, ACS is a white crystalline organic compound. It functions as a chelating agent and is sued for cleaning rust from metal. It is soluble in water. As an ACS grade reagent, Spectrum Chemical manufactured compound 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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    $3,890.25
  7. Potassium Bifluoride, 2.50 K Poly natural
    Manufacturer: Reagents Inc
    Potassium Bifluoride, 2.50 K Poly natural (1 per EA )
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    was $1,190.00 Special Price $892.08
  8. Sodium Carbonate, Anhydrous, Reagent, ACSent, ACS, 12kg, 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.

    (1 per EA )
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    was $827.35 Special Price $612.00
  9. Cadmium Carbonate, Technical, 45kg, CAS# 513-78-0
    Manufacturer: Spectrum Chemical
    Cadmium Carbonate, Technical, also known as Otavite, is a cadmium carbonate mineral which can crystallize in the trigonal system. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $26,725.80
  10. Strontium Acetate, 12kg, CAS# 543-94-2
    Manufacturer: Spectrum Chemical
    Strontium Acetate is a compound used in some toothpastes to desensitize teeth to extremes of hot and cold, sweets, acids, or contact. 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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    $2,067.16
  11. Lead Oxide, Red, Powder, Reagent, 45kg, CAS# 1314-41-6
    Manufacturer: Spectrum Chemical
    Lead Oxide, Red, Powder, Reagent is part of a group of inorganic compounds including lead(II) oxide, litharge, and massicot, to name a few. 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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    $3,520.45
  12. Sodium Iodate, Powder, Reagent, 125g, CAS# 7681-55-2
    Manufacturer: Spectrum Chemical
    Sodium Iodate, Powder, Reagent is an oxidizing agent that is the sodium salt of iodic acid. Sodium iodate is an oxidizing agent and known to start fires when in contact with combustible materials. 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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    $249.60
  13. Sodium Sulfate, Anhydrous, Technical, 110lb, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Technical is used in the laboratory as an inert drying agent for removing traces of water from organic solutions. It is only effective below 30 DEG C, but is fairly inert and can be used with a variety of materials. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $1,016.10
  14. Potassium Chloride, Granular, USP, 113.5kg, CAS# 7447-40-7
    Manufacturer: Spectrum Chemical
    Potassium Chloride, Granular, USP is used to treat hypokalemia. 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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    $1,740.10
  15. Dibasic Potassium Phosphate, Anhydrous, USP, EP, BP, 50kg, CAS# 7758-11-4
    Manufacturer: Spectrum Chemical
    Dibasic Potassium Phosphate, Anhydrous, USP, EP, BP is used to treat or prevent hypophosphatemia (low phosphorus in the blood). All Spectrum Chemical USP, EP, BP 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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    $3,056.60
  16. Barium Cyanide, Purified, 110lb, CAS# 542-62-1
    Manufacturer: Spectrum Chemical
    Barium Cyanide, Purified, is an inorganic chemical compounds used for electroplating and metallurgy.. 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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    $8,727.80
  17. 1-Hexane sulfonic acid sodium salt (Anhydrous), CAS# 2832-45-3, 25g
    Manufacturer: Dawn Scientific
    1-Hexane sulfonic acid sodium salt (Anhydrous), CAS# 2832-45-3, 25g (1 per EA )
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    was $119.62 Special Price $116.63
  18. Cobalt Nitrate Hexahydrate ACS, 125.00 g Glass amber
    Manufacturer: Reagents Inc
    Cobalt Nitrate Hexahydrate ACS, 125.00 g Glass amber (1 per EA )
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    was $272.00 Special Price $204.12
  19. Barium Bromide, Dihydrate, 100g, CAS# 7791-28-8
    Manufacturer: Spectrum Chemical
    Barium Bromide, Dihydrate can be used to make zinc bromide. It also is used to purify radium. 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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    $208.60
  20. Potash Sulfurated, Technical, 50kg, CAS# 39365-88-3
    Manufacturer: Spectrum Chemical
    Potash Sulfurated, Technical is a mixture mainly composed of potassium polysulfides and potassium thiosulfate. While it used to be used as a topic lotion to treat arthritis and mange, its use in pharmaceuticals has stopped due to it toxicity. However, it is still used for its decorative color effects on copper, brass, bronze, and nickel. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $4,916.15
  21. Cupric Oxide, Black, Powdered, Reagent, ACS, 45kg, CAS# 1317-38-0
    Manufacturer: Spectrum Chemical
    Cupric Oxide, Black, Powdered, Reagent, ACS is also referred to a s copper oxide and has a mineral form known as tenorite. It is used as a pigment, to obtain blue, green and red. 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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    $5,500.90
  22. Potassium Chloride, Granular, FCC, 114kg, CAS# 7447-40-7
    Manufacturer: Spectrum Chemical
    Potassium Chloride, Granular, FCC is used as a flavor enhancer, flavoring agent, nutrient supplement, pH control agent, and stabilizer or thickener. 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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    $1,468.20
  23. Bismuth Tribromophenate, Powder, 50kg, CAS# 5175-83-7
    Manufacturer: Spectrum Chemical
    Bismuth Tribromophenate, Powder (1 per EA )
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    $18,020.00
  24. Gallium (III) Nitrate, Hydrate, 1kg, CAS# 69365-72-6
    Manufacturer: Spectrum Chemical
    Gallium (III) Nitrate, Hydrate is the gallium salt of nitric acid. It is used to treat symptomatic hypercalcemia as well as to synthesize other gallium compounds. 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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    $5,774.20
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