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. Ruthenium (III) Iodide, Anhydrous, 250mg, CAS# 13896-65-6
    Manufacturer: Spectrum Chemical
    Ruthenium (III) Iodide, Anhydrous (1 per EA )
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    $260.30
  2. Magnesium Nitrate, Hexahydrate, Crystal, Reagent, ACS
    Manufacturer: Spectrum Chemical
    Magnesium Nitrate, Hexahydrate, Crystal, Reagent, ACS is extremely soluble in water and in ethanol. It is used in fertilizer blends in the hydroponics and greenhouse trade. It also used as a preservative, catalyst in the manufacture of petrochemicals, as a desensitizer for lithographic plates and in pyrotechnics. 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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    $2,786.73
  3. Sodium Carbonate, Monohydrate, Granular, Reagent, ACS, 45kg, CAS# 5968-11-6
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Monohydrate, Granular, Reagent, ACS is also known soda ash or washing soda. It is soluble in water and also used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. 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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    $1,502.85
  4. Monobasic Sodium Phosphate, Anhydrous, USP, 25kg, 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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    $1,751.67
  5. Sodium Acetate, Anhydrous, FCC, 45kg, CAS# 127-09-3
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, FCC is used for controlling the pH level of food items and acts as a 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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    $2,020.65
  6. Phosphorus Tribromide, Reagent, 5.7kg, CAS# 7789-60-8
    Manufacturer: Spectrum Chemical
    Phosphorus Tribromide, Reagent is used in the laboratory to convert primary or secondary alcohols to alkyl bromides. 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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    $1,963.10
  7. Potassium Antimony Tartrate Trihydrate, Reagent, ACS, 12kg, CAS# 28300-74-5
    Manufacturer: Spectrum Chemical
    Potassium Antimony Tartrate Trihydrate, Reagent, ACS is the double salt of antimony and potassium of tartaric acid. It is also known as antimony potassium tartrate and is a compound with a powerful emetic and has been used as a medication for leishmaniasis. 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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    $3,625.30
  8. Nickel Oxide, Green, Powder, Reagent, 2.5kg, CAS# 1313-99-1
    Manufacturer: Spectrum Chemical
    Nickel Oxide, Green, Powder, Reagent is the chemical compound and appears green in color. It is considered as a basic metal oxide and is produced mainly as an intermediate in the production of nickel alloys. 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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    $1,055.20
  9. Nickel Carbonate Basic, Powder, Technical, 12kg, CAS# 39430-27-8
    Manufacturer: Spectrum Chemical
    Nickel Carbonate Basic, Powder, Technical, also known as Nickelous carbonate, can be used as precursors to catalysts. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $2,861.85 Special Price $2,116.97
  10. Sodium Selenite, 99.8+ Percent, Powder, 25kg, 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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    $10,485.33
  11. Sodium Sulfite, Exsiccated, Purified, 45kg, CAS# 7757-83-7
    Manufacturer: Spectrum Chemical
    Sodium Sulfite, Exsiccated, Purified or anhydrous sodium sulfite, is used as a preservative in pharmaceutical preparations. 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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    $999.45
  12. Calcium Sulfate, Dihydrate, FCC, 50kg, CAS# 10101-41-4
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Dihydrate, FCC is widely used as pH regulator, hardness regulator, yeast agent, nutritional suppliment, texture and flavor enhancer in food 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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    $1,883.95
  13. Lithium Chloride, 500g, CAS# 7447-41-8
    Manufacturer: Spectrum Chemical
    Lithium Chloride is a chemical compound that is extremely soluble in polar solvents and is used in order to obtain lithium metal. In organic synthesis it is used as an additive in the Stille Reaction. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for consumption.

    (1 per EA )
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    $263.22
  14. Strontium Nitrate, Technical, 115lb, CAS# 10042-76-9
    Manufacturer: Spectrum Chemical
    Strontium Nitrate, Technical, an inorganic compound, is used as an oxidizer and colorant in pyrotechnics; it produces a deep red flame in road flares and fireworks. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    $2,890.60
  15. Sodium Metabisulfite, Granular, FCC, 50kg, CAS# 7681-57-4
    Manufacturer: Spectrum Chemical
    Sodium Metabisulfite, Granular, FCC is used as a preservative and antioxidant in food and is also known as E223. 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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    $1,432.18
  16. Sodium Peroxide, Reagent, ACS, 2.5kg, CAS# 1313-60-6
    Manufacturer: Spectrum Chemical
    Sodium Peroxide, Reagent, ACS is a solid that comes in the form yellow micro beads. It is an inorganic compound that was historically used to bleach wood pulp in order to prepare it for the use in paper manufacture. Today it is most commonly used for certain specialized lab operations such as mineral extraction form ore. 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 $4,025.40 Special Price $2,977.69
  17. Dibasic Calcium Phosphate, Dihydrate, Powder, USP, 50kg, CAS# 7789-77-7
    Manufacturer: Spectrum Chemical
    Dibasic Calcium Phosphate, Dihydrate, Powder, 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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    $1,688.25
  18. Sodium Borate Decahydrate, Technical, 50kg, CAS# 1303-96-4
    Manufacturer: Spectrum Chemical
    Sodium Borate Decahydrate, Technical is also known simply as Borax and is a mineral that occurs naturally in deposits of the mineral Evaporite. Its uses vary from household products, such as hand soap and water softening agents, to use as a flux in welding and can also be found in small scale gold mining operations as a substitute to mercury.

    (1 per EA )
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    $1,234.00
  19. Mercuric Iodide, Red, Powder, Reagent, ACS 2.5kg CAS# 7774-29-0
    Manufacturer: Spectrum Chemical
    Mercuric Iodide, Red, Powder, Reagent, ACS is a chemical compound appearing as red crystals and is slightly soluble in alcohol, ether and acetone. It is used for preparation of Nessler's reagent, used for detection of presence of ammonia and is a semiconductor material. 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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    $17,467.32
  20. Sodium Thiosulfate, Anhydrous, Reagent, 45kg, CAS# 7772-98-7
    Manufacturer: Spectrum Chemical
    Sodium Thiosulfate, Anhydrous, Reagent, is crystalline compound that is colorless. It is used in gold extraction as a lixiviant, in photographic processing to bind soft metals, so that silver halides dissolve when treated with a thiosulfate solution. It is also used in the medical field as an antidote to cyanide poisoning, as an antifungal agent and as a treatment for ringworm. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

    (1 per EA)
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    $1,609.50
  21. Sodium Carbonate, Anhydrous, FCC, 100g, CAS# 497-19-8
    Manufacturer: Spectrum Chemical
    Sodium Carbonate, Anhydrous, FCC is a food additive (E500) used as an acidity regulator, anti-caking agent, raising agent, and stabilizer. 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 $78.45 Special Price $58.03
  22. Monobasic Sodium Phosphate, Monohydrate, Granular, USP, BP, 25kg, 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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    $2,352.06
  23. Potassium Pyrophosphate, Powder, Purified, 45kg, CAS# 7320-34-5
    Manufacturer: Spectrum Chemical
    Potassium Pyrophosphate, Powder, Purified is used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent, and is often used as a food additive. 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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    $1,502.85
  24. Potassium Phosphate Tribasic, FCC, 45kg, CAS# 7778-53-2
    Manufacturer: Spectrum Chemical
    Potassium Phosphate Tribasic, FCC is used as a food additive for its properties as an emulsifier, foaming agent, and whipping agent. 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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    $5,774.60
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