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 Ferrocyanide, Trihydrate, Crystal, Reagent, ACS, 25g, CAS# 14459-95-1
    Manufacturer: Spectrum Chemical
    Potassium Ferrocyanide, Trihydrate, Crystal, Reagent, ACS is an inorganic compound that is a salt with a light yellow tint. Mainly used as an anti-caking agent in both road and table salt. It has several other niche uses and within the laboratory to determine potassium permanganate concentration levels. As an ACS grade Reagent, Spectrum Chemical manufactured compounds are 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 $125.15 Special Price $74.07
  2. Ferric Ammonium Sulfate, Dodecahydrate, Crystal, Reagent, ACS, 12kg, CAS# 7783-83-7
    Manufacturer: Spectrum Chemical
    Ferric Ammonium Sulfate, Dodecahydrate, Crystal, Reagent, ACS (1 per EA )
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    was $2,271.90 Special Price $1,680.59
  3. Manganese Chloride, Tetrahydrate, FCC, 2.5kg, CAS# 13446-34-9
    Manufacturer: Spectrum Chemical
    Manganese Chloride, Tetrahydrate, FCC is used as a dietary supplement. 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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    $1,034.40
  4. Lead Carbonate, Powder, Reagent, ACS, 2.5kg, CAS# 598-63-0
    Manufacturer: Spectrum Chemical
    Lead Carbonate, Powder, Reagent, ACS is a chemical compound that is created industrially from lead acetate and carbon dioxide. It is an important pigment used in paints, putty, and ceramics. 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 $1,736.65 Special Price $1,300.40
  5. Bismuth Subsalicylate, Purified, 125g, CAS# 14882-18-9
    Manufacturer: Spectrum Chemical
    Bismuth Subsalicylate, Purified is used as an internal deodorant and treats malodor by deodorizing flatulence and stool odors. It is usually given to people who suffer from fecal incontinence, IBS or who have has ostomy surgery or bariatric surgery. 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 $196.35 Special Price $145.24
  6. Sodium Hydrogen Sulfate, Purified, 2.5kg, CAS# 7681-38-1
    Manufacturer: Spectrum Chemical
    Sodium Hydrogen Sulfate, Purified is used in metal finishing, cleaning products, and to lower the pH of water for effective chlorination, including swimming pools. 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 $373.90 Special Price $276.59
  7. Potassium Thiosulfate, 100g, CAS# 10294-66-3
    Manufacturer: Spectrum Chemical
    Potassium Thiosulfate (1 per EA )
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    $568.05
  8. Mercuric Chloride Ammoniated, Purified, 500g, CAS# 10124-48-8
    Manufacturer: Spectrum Chemical
    Mercuric Chloride Ammoniated, Purified, also known as mercury chloride, is a chemical compound of chlorine and mercury which can be used to treat syphilis; it is a solid, white crystalline. 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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    $619.79
  9. Sodium Iodide, USP, 12kg, 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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    $6,330.15
  10. Acetyltriethylcitrate, 100mL, CAS# 77-89-4
    Manufacturer: Spectrum Chemical
    Acetyltriethylcitrate is used to plasticize polymers in formulated pharmaceutical coatings. The coating applications include capsules, tablets, beads and granules for taste masking, immediate release, sustained-release and enteric formulations. It is also used in diffusion-controlled release drug delivery systems. 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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    $124.45
  11. Cobalt Gluconate, Anhydrous, 125g, CAS# 71957-08-9
    Manufacturer: Spectrum Chemical
    Cobalt Gluconate, Anhydrous (1 per EA )
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    $709.00
  12. Calcium Propionate, Powder, FCC, 500g, CAS# 4075-81-4
    Manufacturer: Spectrum Chemical
    Calcium Propionate, Powder, FCC is used as a preservative in processed meats and baked goods. 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 (FCC) 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 $218.55 Special Price $161.65
  13. Potassium Citrate Monobasic, 500g, CAS# 866-83-1
    Manufacturer: Spectrum Chemical
    Potassium Citrate Monobasic is a white, crystalline powder that is hygroscopic. It has no odor and has a slightly salty taste. It is a potassium salt of citric acid and is most frequently used as a buffering agent, sequestrant 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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    $153.95
  14. Mercuric Sulfate, Powder, Technical, 125g, 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.

    (1 per EA )
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    was $294.90 Special Price $220.82
  15. Phosphorus Tribromide, Reagent, 100g, 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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    $320.65
  16. Calcium Carbonate, Powder, Technical, 12kg, CAS# 471-34-1
    Manufacturer: Spectrum Chemical
    Calcium Carbonate, Powder, Technical is a naturally found common substance found in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate is added to a wide range adhesives, sealants, and decorating fillers. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $388.95 Special Price $287.71
  17. Mercuric Oxide, Yellow, Powder, Reagent, ACS, 25g, CAS# 21908-53-2
    Manufacturer: Spectrum Chemical
    Mercuric Oxide, Yellow, Powder, Reagent, ACS - As a Reagent 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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    $307.53
  18. Manganese Chloride, Tetrahydrate, FCC, 500g, CAS# 13446-34-9
    Manufacturer: Spectrum Chemical
    Manganese Chloride, Tetrahydrate, FCC is used as a dietary supplement. 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 $402.65 Special Price $301.50
  19. Sodium Bismuthate, Powder, Reagent, ACS, 100g, CAS# 12232-99-4
    Manufacturer: Spectrum Chemical
    Sodium Bismuthate, Powder, Reagent, ACS, also known as Sodium bismuth oxide, is a sodium salt and considered a strong oxidizer. 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 $568.05 Special Price $336.16
  20. Antimony Potassium Tartrate, Powder, 2.5kg, CAS# 28300-74-5
    Manufacturer: Spectrum Chemical
    Antimony Potassium Tartrate, Powder, also called Tartar Emetic, is a poisonous efflorescent crystalline salt of sweetish metallic taste that was formerly used in medicine as an emetic and expectorant. Non-graded Antimony Potassium Tartrate, Powder supplied by Spectrum is 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 $1,360.65 Special Price $1,207.81
  21. Monobasic Sodium Phosphate, Monohydrate, Granular, USP, BP, 2.5kg, 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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    $715.85
  22. Potassium Fluoride, Anhydrous, Purified, 500g, CAS# 7789-23-3
    Manufacturer: Spectrum Chemical
    Potassium Fluoride, Anhydrous, Purified is the primary source of the fluoride ion for applications in manufacturing and in chemistry and is the preferred source of fluoride for the conversion of chlorocarbons into fluorocarbons. 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 $285.40 Special Price $168.89
  23. Sodium Hydrosulfite, Reagention, 1L, CAS# 7775-14-6
    Manufacturer: Spectrum Chemical
    Sodium Hydrosulfite, Reagent is also referred to as sodium dithionite and is a white powder with a slight sulfurous odor. Like most salts it is soluble in water and is used in industry as a reducing agent. In Biology it is used to determine the iron content of soil and to lower the redox potential of physiology experiments. 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.

    (CAS# 7775-14-6, Molecular Formula: Na2S2O4) Sodium Hydrosulfite, Reagent (1 per EA )

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    was $164.90 Special Price $98.79
  24. Sodium Peroxide, Reagent, ACS, 12kg, 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 $12,693.15 Special Price $9,389.44
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