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. Magnesium Citrate Tribasic, 500g, CAS# 3344-18-1
    Manufacturer: Spectrum Chemical
    Magnesium Citrate Tribasic (1 per EA )
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    $330.15
  2. Sodium Bromide, Granular, Purified, 2.5kg, CAS# 7647-15-6
    Manufacturer: Spectrum Chemical
    Sodium Bromide, Granular, Purified is a white crystalline solid and an inorganic compound. It has many applications including use in conjunction with chlorine as a disinfectant for swimming pools and in the preparation of other bromides in organic synthesis. Purified 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 $500.45 Special Price $370.19
  3. Monobasic Potassium Phosphate, Crystal, NF, 500g, CAS# 7778-77-0
    Manufacturer: Spectrum Chemical
    Monobasic Potassium Phosphate, Crystal, NF is used as a buffering agent. 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 $238.00 Special Price $176.05
  4. Sodium Benzoate, Ultrapure, 500g CAS# 91722-21-3
    Manufacturer: Spectrum Chemical
    Sodium Benzoate, Ultrapure, also known as benzoate of soda, is the sodium salt of benzoic acid and is used as a food preservative. 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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    $5,009.16
  5. Sodium Formate, Crystal, Reagent, ACS, 500g, CAS# 141-53-7
    Manufacturer: Spectrum Chemical
    Sodium Formate, Crystal, Reagent, ACS is the sodium salt of formic acid and appears as a deliquescent white powder. It is typically used as a buffering agent for mineral acids, as well as food additive. 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 $239.05 Special Price $141.47
  6. Potassium Iodide, USP, 500g, 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). (6 per CS )
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    $2,983.95
  7. Sodium Acetate, Anhydrous, Technical
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Acetic Acid, Sodium Salt (1 per EA)
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    $234.50
  8. Potassium Chloride Purified, 12.00 K Each
    Manufacturer: Reagents Inc
    Potassium Chloride Purified, 12.00 K Each (1 per EA )
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    was $515.00 Special Price $386.64
  9. Potassium Iodide, ACS, 100G, Amber Glass
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $128.80 Special Price $96.60
  10. Potassium Sulfate, FCC, 12kg, CAS# 7778-80-5
    Manufacturer: Spectrum Chemical
    Potassium Sulfate, FCC is used as an acidity regulator. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage, nutritional supplement and personal care 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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    $1,424.70
  11. Cupric Sulfate, Pentahydrate, Granular, USP, 125g, CAS# 7758-99-8
    Manufacturer: Spectrum Chemical
    Cupric Sulfate, Pentahydrate, Granular, USP is a mineral supplement. 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 $180.95 Special Price $133.84
  12. Sodium 3-Nitrobenzoate, 250g, CAS# 827-95-2
    Manufacturer: Spectrum Chemical
    Sodium 3-Nitrobenzoate (1 per EA )
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    $139.00
  13. Ammonium Phosphate, Monobasic, Crystal, Reagent, ACS, 500g, CAS# 7722-76-1
    Manufacturer: Spectrum Chemical
    Ammonium Phosphate, Monobasic, 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 $208.70 Special Price $123.51
  14. Titanium (III) Oxide, -100 Mesh, 10g, CAS# 1344-54-3
    Manufacturer: Spectrum Chemical
    Titanium (III) Oxide, -100 Mesh (1 per EA )
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    $271.80
  15. Nickel Sulfate, Hexahydrate, Purified Purified, 2.5kg, CAS# 10101-97-0
    Manufacturer: Spectrum Chemical
    Nickel Sulfate, Hexahydrate, Crystal, Purified is a blue colored salt and is primarily used for electroplating of nickel. There are roughly seven sulfate salts of nickel that are known. 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 $766.00 Special Price $566.63
  16. Sodium Succinate, Anhydrous, Reagent, 500g, 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 $233.05 Special Price $172.39
  17. Silver Nitrate, Crystal, USP, 25g, 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 $503.15 Special Price $376.75
  18. Potassium Chloride, ACS, CAS# 7447-40-7
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Potassium Chloride, ACS, CAS# 7447-40-7 (1 per EA)
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    $28.60
  19. Strontium Chromate, Powder, Reagent, 50kg, CAS# 7789-06-2
    Manufacturer: Spectrum Chemical
    Strontium Chromate, Powder, Reagent is prepared from the reaction between sodium dichromate with strontium carbonate, or between sodium chromate with strontium chloride. It is used as a corrosion inhibitor in pigments. 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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    $3,523.45
  20. Sodium Oxalate ACS - 500g, ACS, CAS#62-76-0
    Manufacturer: Dawn Scientific
    Sodium Oxalate ACS - 500g, ACS, CAS#62-76-0 (1 per EA )
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    was $159.62 Special Price $155.63
  21. Potassium Fluoride Reagent, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: UN1812 (1 per EA)
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    was $163.80 Special Price $122.85
  22. Ammonium phosphate dibasic, CAS# 7783-28-0, 1kg
    Manufacturer: Dawn Scientific
    HPLC Buffer Salts (1 per EA )
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    was $229.62 Special Price $223.88
  23. Potassium Carbonate, Anhydrous, Granular, FCC, 500g, CAS# 584-08-7
    Manufacturer: Spectrum Chemical
    Potassium Carbonate, Anhydrous, Granular, FCC is used as a meat tenderizer, a source of dietary potassium and a buffering agent in wine production. 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 $143.15 Special Price $105.88
  24. Potassium Iodide, Granular, FCC, 2.5kg, CAS# 7681-11-0
    Manufacturer: Spectrum Chemical
    Potassium Iodide, Granular, FCC is used as a source for dietary iodine. 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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    $7,414.85
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