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 Chloride, ACS Grade, 500 Grams CAS# 7447-40-7
    Manufacturer: Research Products International
    Mol. Wt:74.6 Common Name: Formula: KCl Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: 7447-40-7 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $46.00
  2. Magnesium Sulfate, Anhydrous, Powder, CP, 12kg, CAS# 7487-88-9
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Anhydrous, Powder, CP is hygroscopic and used as a drying agent. 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 $862.90 Special Price $646.14
  3. Sodium Propionate, FCC, 45kg, CAS# 137-40-6
    Manufacturer: Spectrum Chemical
    Sodium Propionate, FCC is used primarily as a food 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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    $1,657.97
  4. 1-Pentane sulfonic acid sodium salt (Monohydrate), CAS# 207605-40-1, 100g
    Manufacturer: Dawn Scientific
    1-Pentane sulfonic acid sodium salt (Monohydrate), CAS# 207605-40-1, 100g (1 per EA )
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    was $359.62 Special Price $350.63
  5. Silver Lactate, 25g, CAS# 128-00-7
    Manufacturer: Spectrum Chemical
    Silver Lactate (1 per EA )
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    $700.95
  6. Gold (I) Iodide, 1g, CAS# 10294-31-2
    Manufacturer: Spectrum Chemical
    Gold (I) Iodide (1 per EA )
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    $592.45
  7. Potassium Dichromate Lab - Lab, 2.5Kg, CAS#7778-50-9
    Manufacturer: Dawn Scientific
    Potassium Dichromate Lab - Lab, 2.5Kg, CAS#7778-50-9 (1 per EA )
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    was $199.62 Special Price $194.63
  8. Potassium Carbonate Anhydrous ACS - ACS, 2.5Kg, CAS#-480438
    Manufacturer: Dawn Scientific
    Potassium Carbonate Anhydrous ACS - ACS, 2.5Kg, CAS#-480438 (1 per EA )
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    was $174.62 Special Price $170.25
  9. Stannous Chloride, Anhydrous, Reagent, 45kg, CAS# 7772-99-8
    Manufacturer: Spectrum Chemical
    Stannous Chloride, Anhydrous, Reagent 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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    $6,629.90
  10. Monobasic Sodium Phosphate, Monohydrate, Granular, USP, BP, 500g, CAS# 10049-21-5
    Manufacturer: Spectrum Chemical
    Monobasic Sodium Phosphate, Monohydrate, Granular, USP, BP is used as a buffering agent and sequestering agent. All Spectrum Chemical USP, BP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA)
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    was $209.20 Special Price $156.65
  11. Sodium Metasilicate 5-Hydrate, 500.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Sodium Metasilicate 5-Hydrate, 500.00 g Glass amb wm (1 per EA )
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    was $118.00 Special Price $88.56
  12. Ferric Chloride, Anhydrous, Powder, Purified, 125g, CAS# 7705-08-0
    Manufacturer: Spectrum Chemical
    Ferric Chloride, Anhydrous, Powder, Purified, also known as Iron Chloride, is a chemical compound to produce the Weigert’s iron hematoxylin solution for nuclear stains, trichrome staining and staining with acidic counterstains Spectrum Chemical manufactured Purified Ferric Chloride is of sufficient quality and purity for routine useage.

    (1 per EA )
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    was $107.15 Special Price $79.25
  13. Phosphorus Oxychloride, Reagent, 5g, CAS# 10025-87-3
    Manufacturer: Spectrum Chemical
    Phosphorus Oxychloride, Reagent, also known as phosphorus oxychloride or phosphoric trichloride, releases phosphoric acid and fumes of hydrogen chloride. It has mostly been used to create phosphate esters like tricresyl phosphate. 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 $152.70 Special Price $112.96
  14. Monobasic Sodium Phosphate, Anhydrous, USP, 500g, CAS# 7558-80-7
    Manufacturer: Spectrum Chemical
    Monobasic Sodium Phosphate, Anhydrous, USP is used as a buffering agent. 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 $162.00 Special Price $121.31
  15. Sodium Cyanoborohydride, 5kg, CAS# 25895-60-7
    Manufacturer: Spectrum Chemical
    Sodium Cyanoborohydride, also known as Sodium cyanotrihydridoborate, is used in organic synthesis for the reduction of imines. 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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    $9,937.65
  16. Silver (II) Oxide, 25g, CAS# 1301-96-8
    Manufacturer: Spectrum Chemical
    Silver (II) Oxide (1 per EA )
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    $744.95
  17. Sodium Acetate Trihydrate ACS - ACS, 500g, CAS#-647328
    Manufacturer: Dawn Scientific
    Sodium Acetate Trihydrate ACS - ACS, 500g, CAS#-647328 (1 per EA )
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    was $45.62 Special Price $44.47
  18. Lanthanum Chloride, 100.00 g Glass amb wm
    Manufacturer: Reagents Inc
    Lanthanum Chloride, 100.00 g Glass amb wm (1 per EA )
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    was $325.00 Special Price $244.08
  19. Potassium Sodium Tartrate, Tetrahydrate, Purified, 500g, CAS# 6381-59-5
    Manufacturer: Spectrum Chemical
    Potassium Sodium Tartrate, Tetrahydrate, Purified was one of the first materials discovered to exhibit piezoelectricity. It is a double salt and is deliquescent so the material deteriorates if stored in damp conditions 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 $116.45 Special Price $86.13
  20. Cupric Nitrate Hydrate, pur, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Cupric Nitrate Hydrate, pur, 500.00 g wide mouth (1 per EA )
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    was $139.00 Special Price $104.76
  21. Sodium Acetate, Anhydrous, Technical, 500g, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, Technical, is a colorless salt that has a wide range of uses. In the textile industry, this sodium salt of acetic acid is used to neutralise sulfuric acid waste streams. Also used as a buffer solution to help keep a near constant pH.

    (1 per EA )
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    was $79.00 Special Price $58.44
  22. Calcium Acetate, USP, EP, bioCERTIFIED(TM)), CAS# 62-54-4
    Manufacturer: Spectrum Chemical
    Calcium Acetate, USP, EP, bioCERTIFIED (TM) is uniquely suited for bioprocessing by biopharmaceutical manufacturers. 100% Tested. 100% Transparent. 100% Trusted. Whether it’s upstream bioprocessing or downstream, Spectrum Chemical’s bioCERTIFIED™ products are part of a comprehensive quality management system that includes APIs, excipients and other chemicals that carry additional certifications and documentation. Backed by our “100% tested and 100% transparent” guarantee, each bioCERTIFIED™ chemical undergoes expanded testing for bioburden, endotoxin, elemental impurities and other tests required by the monographs. Products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities. Key attributes of Spectrum Chemicals bioCERTIFIED™ portfolio include: • Complete lot analysis including tests for endotoxin, bioburden and elemental impurities • Comprehensive regulatory and scientific documentation • Change control, batch traceability and supply chain transparency • Extensive product breadth and Packaging flexibility

    (1 per EA )

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    $2,892.66
  23. Pot Phosphate Monobasic FCC, 50.00 K Drum, Fiber
    Manufacturer: Reagents Inc
    Pot Phosphate Monobasic FCC, 50.00 K Drum, Fiber (1 per EA )
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    was $2,110.00 Special Price $1,582.20
  24. Magnesium Gluconate, USP, 50kg, CAS# 3632-91-5
    Manufacturer: Spectrum Chemical
    Magnesium Gluconate, USP is an essential mineral and used in treating low magnesium levels or maintaining the proper amount of magnesium in the body. All Spectrum Chemical USP grade 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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    $2,800.88
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