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 Selenite, 99.8+ Percent, Powder, 5kg, CAS# 10102-18-8
    Manufacturer: Spectrum Chemical
    Sodium Selenite, 99.8+ Percent, Powder is the most common selenium compound that is soluble in water. It is a solid that has no color and is a salt. Its most common use is in the glass industry.

    (1 per EA)
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    $4,280.80
  2. Lanthanum Oxide, Reagent, 500g, CAS# 1312-81-8
    Manufacturer: Spectrum Chemical
    Lanthanum Oxide, Reagent has been used in optical materials and to develop ferroelectric 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.

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    $735.12
  3. Sodium Acetate, Anhydrous, Reagent, ACS, 2.5kg, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, Reagent, ACS is a colorless salt that has a wide range of uses. In the chemical laboratory it is used as a buffer solution to help keep a near constant pH. As an ACS grade Reagent, Spectrum Chemical manufactured Sodium Acetate 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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    was $760.40 Special Price $562.49
  4. Potassium Stannate, Trihydrate, Powder, Purified, 2.5kg, CAS# 12125-03-0
    Manufacturer: Spectrum Chemical
    Potassium Stannate, Trihydrate, Powder, Purified (1 per EA )
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    $999.45
  5. Sodium Nitrate, Granular, FCC, 2.5kg, CAS# 7631-99-4
    Manufacturer: Spectrum Chemical
    Sodium Nitrate, Granular, FCC is used as curing agent and food preservative that creates a distinct flavor, controls lipid oxidation, and acts as an antimicrobial. 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.

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    $496.95
  6. Ferric Citrate, Purified, 12kg, CAS# 160105
    Manufacturer: Spectrum Chemical
    Ferric Citrate, Purified is a powder with a green to reddish-brown appearance. It can also be used in water purification, printing and an acidity regulator.

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    was $4,550.35 Special Price $3,366.00
  7. Calcium Sulfate, Dihydrate, Technical, 500g, CAS# 10101-41-4
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Dihydrate, Technical is a chemical that is commonly used as a desiccant and coagulant. It is naturally translucent, white crystalline rock. It is also used in the synthesis of sulfuric acid. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $79.80 Special Price $59.03
  8. Sodium Iodide, USP, 125g, CAS# 7681-82-5
    Manufacturer: Spectrum Chemical
    Sodium 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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    was $206.40 Special Price $154.55
  9. Potassium Thiosulfate, 500g, CAS# 10294-66-3
    Manufacturer: Spectrum Chemical
    Potassium Thiosulfate (1 per EA )
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    $1,614.20
  10. Sodium Sulfate, Anhydrous, Technical, 2.5kg, 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.

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    was $210.55 Special Price $155.75
  11. Sodium Acetate, Anhydrous, USP, 500g, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, USP is used as an electrolyte replenisher in isosmotic solution for parenteral replacement of acute losses of extracellular fluid without disturbing normal electrolyte balance. 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.

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    $396.80
  12. Lanthanum Acetate, High PurityReagent, ACS, 125g, CAS# 917-70-4
    Manufacturer: Spectrum Chemical
    Lanthanum Acetate, High Purity (1 per EA )
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    $156.68
  13. Potassium Oxalate, Monohydrate, CP, 500g, CAS# 6487-48-5
    Manufacturer: Spectrum Chemical
    Potassium Oxalate, Monohydrate, CP, also known simply as oxalate, forms insoluble precipitates with many metal ions, including calcium oxalate. CP or Chemically Pure grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $200.60 Special Price $148.39
  14. Calcium Sulfate, Powder, Technical, 2.5kg, CAS# 10034-76-1
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Powder, Technical is a chemical that is commonly used as a desiccant and coagulant. It is naturally translucent, white crystalline rock. It is also used in the synthesis of sulfuric acid. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $217.95 Special Price $161.21
  15. Mercuric Oxide, Red, Powder, Battery Grade, 12kg, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Red, Powder, Battery Grade (1 per EA )
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    $8,680.15
  16. Palladium Oxide, 5g, CAS# 1314-08-5
    Manufacturer: Spectrum Chemical
    Palladium Oxide, also known as Palladium monoxide, is a useful catalyst for catalytic hydrogenation in organic synthesis. 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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    $1,521.60
  17. Barium Acetate, Granular, Reagent, ACS, 500g, CAS# 543-80-6
    Manufacturer: Spectrum Chemical
    Barium Acetate, Granular, Reagent, ACS is a white powder and the salt of barium and acetic acid, often used as a mordant in printing textiles and fabrics, paint-drying and in oil lubricants. In a chemical lab, it is used in organic synthesis as a catalyst and to prepare other acetates. 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.

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    was $235.90 Special Price $139.60
  18. Calcium Chloride, Anhydrous, Granular, FCC, 2.5kg, 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.

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    was $515.25 Special Price $457.37
  19. Sodium Thiocyanate, Technical, 500g, CAS# 540-72-7
    Manufacturer: Spectrum Chemical
    Sodium Thiocyanate, Technical is a colorless deliquescent salt is one of the main sources of the thiocyanate anion. Sodium thiocyanate is a chaotropic agent that is utilized in as a hardening accelerator for cement and concrete mixes, in the production of ink for ink-jet printers. It is also used as a photographic stabilizer, a corrosion inhibitor, and an intermediate in the production of herbicides and insecticides. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $181.25 Special Price $134.07
  20. Potassium Carbonate, Anhydrous, Granular, Reagent, ACS, 500g, CAS# 584-08-7
    Manufacturer: Spectrum Chemical
    Potassium Carbonate, Anhydrous, Granular, Reagent, ACS (1 per EA )
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    was $188.40 Special Price $111.49
  21. Sodium Sulfate, Anhydrous, Granular, Reagent, ACS, 12kg, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, Granular, Reagent, ACS is the sodium salt of sulfuric acid. It is a white, crystalline solid, and is used on a small scale in laboratories as an inert drying agent. 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.

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    was $1,137.80 Special Price $841.67
  22. Ferrosoferric Oxide, Black, Powder, 2.5kg, CAS# 1317-61-9
    Manufacturer: Spectrum Chemical
    Ferrosoferric Oxide, Black, Powder is used as the starting material for producing iron, steel and other ferro-alloys. 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 $278.30 Special Price $205.87
  23. Mercuric Sulfate, Powder, Technical, 2.5kg, CAS# 7783-35-9
    Manufacturer: Spectrum Chemical
    Mercuric Sulfate, Powder, Technical, also referred to as mercury sulfate, is a odorless, white granular solid. When mixed with water it separates into two parts, an insoluble sulfate and the highly corrosive sulfuric acid. It has several uses, among them are the production of acetaldehyde, hydration of alkynes, the oxymercuration and demercuration of alkenes. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

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    was $2,724.75 Special Price $2,040.28
  24. Potassium Tripolyphosphate, 2.5kg, 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.

    (1 per EA )
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    was $349.45 Special Price $258.49
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