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. Calcium Chloride, Anhydrous, Flakes / Granules, Technical, 12kg, CAS# 10043-52-4
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Anhydrous, Flakes / Granules, Technical is usually a solid white powder with an extremely salty taste. It is highly hygroscopic and 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 $962.10 Special Price $711.69
  2. Stannous Sulfate, Technical, 500g, CAS# 7488-55-3
    Manufacturer: Spectrum Chemical
    Stannous Sulfate, Technical is also known as Tin(II) sulfate. It is often a source of tin(II) ions uncontaminated by tin(IV) species. It absorbs moisture from the air and is able to dissolve in it which forms a solution. This process is called deliquescence. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $304.90 Special Price $225.55
  3. Potassium Oleate, 40 Percent Paste in Water, 1kg, CAS# 143-18-0
    Manufacturer: Spectrum Chemical
    Potassium Oleate, 40 Percent Paste in Water is used in personal care as an emsulifying surfactant. 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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    $339.35
  4. Sodium Bicarbonate, 5 Kilograms CAS# 144-55-8
    Manufacturer: Research Products International
    Mol. Wt:84 Common Name: Formula: CHNaO3 Dimensions: 10.00 x 7.50 x 10.00, Weight: 12.4, Cas#: 144-55-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $164.60
  5. Magnesium Sulfate, Heptahydrate, FCC, 12kg, CAS# 10034-99-8
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Heptahydrate, FCC, commonly called Epsom salt, is used as a brewing salt in beer production and a tofu coagulant. 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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    $784.65
  6. Potassium Tripolyphosphate, 500g, CAS# 13845-36-8
    Manufacturer: Spectrum Chemical
    Potassium Tripolyphosphate is used a texturizing agent and acidity regulator. 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.

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    was $107.85 Special Price $79.77
  7. Sodium Bicarbonate ACS - ACS, 500g, CAS#144-55-8
    Manufacturer: Dawn Scientific
    Sodium Bicarbonate ACS - ACS, 500g, CAS#144-55-8 (1 per EA )
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    was $49.62 Special Price $48.38
  8. Magnesium Oxide, Powder, Reagent, ACS, 25g, CAS# 1309-48-4
    Manufacturer: Spectrum Chemical
    Magnesium Oxide, Powder, Reagent, ACS is a white solid mineral that is found naturally as periclase and is considered a source of magnesium. It is also considered a metastable compound. 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.

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    was $81.40 Special Price $48.76
  9. Sodium Carbonate, Decahydrate, Reagent, 500g, CAS# 6132-02-1
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Decahydrate, Reagent is a sodium salt of carbonic acid and is soluble in water. 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.

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    was $183.45 Special Price $108.56
  10. Magnesium Chloride, Hexahydrate, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $127.00 Special Price $95.25
  11. Starch Soluble ACS - ACS, 500g, CAS#9005-25-8
    Manufacturer: Dawn Scientific
    Starch Soluble ACS - ACS, 500g, CAS#9005-25-8 (1 per EA )
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    was $65.62 Special Price $63.98
  12. Mercuric Oxide, Red, Powder, Reagent, ACS, 25g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Red, Powder, Reagent, ACS, also known as mercury(II) oxide, is used to produce mercury as it decomposes quite easily and as a material for cathodes for mercury batteries. 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 $288.05 Special Price $172.56
  13. Potassium Sorbate, Granular, NF, 500g, CAS# 590-00-1
    Manufacturer: Spectrum Chemical
    Potassium Sorbate, Granular, NF is used as an antimicrobial preservative. 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 $266.60 Special Price $197.21
  14. Sodium Sesquicarbonate, Dihydrate, 45kg, CAS# 533-96-0
    Manufacturer: Spectrum Chemical
    Sodium Sesquicarbonate, Dihydrate, with a systematic name trisodium hydrogen dicarbonate, is used as an alkalinity source for water treatment. 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.

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    $1,222.50
  15. Potassium Chloride, Purified, 500g, CAS# 7447-40-7
    Manufacturer: Spectrum Chemical
    Potassium Chloride, Purified - the majority of potassium chloride is used for making fertilizer but also serves as the raw material for the manufacture of potassium hydroxide and potassium metal. The Purified Grade describes chemicals of good quality where there are no official standards and is normally limited to inorganic chemicals.

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    was $85.10 Special Price $62.95
  16. Potassium phosphate monobasic, CAS# 7778-77-0, 1kg
    Manufacturer: Dawn Scientific
    HPLC Buffer Salts (1 per EA )
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    was $184.62 Special Price $180.00
  17. Sodium Sulfate, Anhydrous, Low in Nitrogen, 500g, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Low in Nitrogen 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. Ungraded products supplied by Spectrum Chemical are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

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    was $148.90 Special Price $88.12
  18. Calcium Carbonate, Powder, Reagent, ACS, 500g, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Powder, Reagent, 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.

    (1 per EA )
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    was $279.65 Special Price $165.49
  19. Sodium Fluoride ACS Reagent, 100.00 g wide mouth
    Manufacturer: Reagents Inc
    Sodium Fluoride ACS Reagent, 100.00 g wide mouth (1 per EA )
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    was $46.50 Special Price $34.56
  20. Silver Nitrate, Technical, 100g, CAS# 7761-88-8
    Manufacturer: Spectrum Chemical
    Silver Nitrate, Technical is an inorganic compound that is often used as a versatile precursor to other silver compounds as it is the least expensive salt of silver, is non-hygroscopic and relatively stable to light. Its uses vary from silver staining in scanning electron microscopy, coating catheters to prevent infections to confirming the presence in analytical chemistry of chloride, bromide or iodide ions.

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    was $985.80 Special Price $875.07
  21. Barium Sulfide, Black, Granular, 500g, CAS# 8011-62-9
    Manufacturer: Spectrum Chemical
    Barium Sulfide, Black, Granular is a colorless substance when pure, and an inorganic compound. It is a very poisonous substance like other related sulfides. 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.

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    was $422.20 Special Price $312.31
  22. Nickel Nitrate Hexahydrate, Reagent, ACS, 125g, CAS# 13478-00-7
    Manufacturer: Spectrum Chemical
    Nickel Nitrate Hexahydrate, Reagent, ACS, also known as Nickelous nitrate, is used as a precursor to supported nickel catalysts. 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 $230.90 Special Price $136.64
  23. Sodium Phosphate Dibasic, Anhydrous, 500 Grams CAS# 7558-79-4
    Manufacturer: Research Products International
    Mol. Wt:142 Common Name: Formula: Na2HPO4 Dimensions: 3.50 x 7.00 x 3.50, Weight: 1.24, Cas#: 7558-79-4 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $50.80
  24. Ferrous Sulfate, Heptahydrate, Granular, USP, 2.5kg, CAS# 7782-63-0
    Manufacturer: Spectrum Chemical
    Ferrous Sulfate, Heptahydrate, Granular, 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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    was $592.30 Special Price $525.77
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