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 Sulfate, Anhydrous, FCC, 12kg, CAS# 7757-82-6
    Manufacturer: Spectrum Chemical
    Sodium Sulfate, Anhydrous, FCC is used as an acidity regulator. 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 $1,505.90 Special Price $1,336.75
  2. Sodium Acetate, Anhydrous, Technical, 2.5kg, 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.

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    was $366.70 Special Price $271.25
  3. Selenium Dioxide, Purified, 100g, CAS# 7446-08-4
    Manufacturer: Spectrum Chemical
    Selenium Dioxide, Purified is the most commonly encountered compound of selenium. A colorless solid that has an odor resembling that of horseradish sauce. It is mostly used as coloring agent in the manufacture of glass and in small quantities used to counter act the color effects of cobalt, it is also used in organic synthesis as a reagent for allylic oxidation.

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    $235.25
  4. Lithium Chloride, Crystal, Reagent, ACS, 25g, CAS# 7447-41-8
    Manufacturer: Spectrum Chemical
    Lithium Chloride, Crystal, Reagent, ACS is a chemical compound that is extremely soluble in polar solvents and is used in order to obtain lithium metal and as a synthetic reagent. 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 $206.30 Special Price $123.59
  5. Sodium Oxalate, Powder, Reagent, ACS, 12kg, CAS# 62-76-0
    Manufacturer: Spectrum Chemical
    Sodium Oxalate, Powder, Reagent, ACS is the white crystalline, odorless sodium salt of oxalic acid. Used as a reducing agent, it can be used as a primary standard for potassium permanganate solution standardizing. 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 $4,064.25 Special Price $3,006.43
  6. Sodium Peroxide, Reagent, ACS, 500g, 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 $1,260.15 Special Price $745.73
  7. Sodium Bicarbonate Purified, 500.00 g wide mouth
    Manufacturer: Reagents Inc
    Sodium Bicarbonate Purified, 500.00 g wide mouth (1 per EA )
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    was $22.00 Special Price $16.20
  8. Potassium pHospHate Monobasic, ACS, 500G, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): , , UN Number: (1 per EA)
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    was $91.30 Special Price $68.47
  9. Sodium Citrate, Anhydrous, Powder, FCC, 12kg, CAS# 68-04-2
    Manufacturer: Spectrum Chemical
    Sodium Citrate, Anhydrous, Powder, FCC is used as a flavorant and 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.

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    was $1,609.50 Special Price $1,428.71
  10. Ferrous Sulfate, Heptahydrate, Crystal, Reagent, ACS, 125g, CAS# 7782-63-0
    Manufacturer: Spectrum Chemical
    Ferrous Sulfate, Heptahydrate, Crystal, Reagent, ACS 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 $135.80 Special Price $80.36
  11. Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS, 25g, CAS# 10026-22-9
    Manufacturer: Spectrum Chemical
    Cobalt Nitrate, Hexahydrate, Crystal, Reagent, ACS is an inorganic cobalt salt of nitric acid. It is often a red brownish color and a deliquescent salt that is water soluble. It is created by the interaction of cobalt oxide, hydroxide or carbonate with nitric acid. 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 $131.75 Special Price $77.97
  12. Potassium Chloride, Crystal, USP, 500g, CAS# 7447-40-7
    Manufacturer: Spectrum Chemical
    Potassium Chloride, Crystal, USP is used to treat hypokalemia. All Spectrum Chemical USP 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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    was $157.00 Special Price $116.13
  13. Sodium Selenate, Decahydrate, 25g, CAS# 10102-23-5
    Manufacturer: Spectrum Chemical
    Sodium Selenate, Decahydrate is used in glass manufacturing to counter the color caused by iron impurities. Purified grades have are used as a micronutrient which prevents a deficiency of copper, manganese and selenium by maintaining the levels of these trace elements in the blood and is used in the prevention of abnormal tissue growth. 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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    $222.85
  14. Calcium Sulfate, Dihydrate, Reagent, ACS, 2.5kg, CAS# 10101-41-4
    Manufacturer: Spectrum Chemical
    Calcium Sulfate, Dihydrate, Reagent, ACS is an inorganic chemical that is commonly used in polishing powders, paints (white pigment & filler) and in metallurgy (reduction of zinc minerals). 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 $1,249.75 Special Price $924.47
  15. Sodium Chloride, 12kg, CAS# 7647-14-5
    Manufacturer: Spectrum Chemical
    Sodium Chloride is an ionic compound that is also known as salt or halite which represents equal parts of sodium and chlorine. It is responsible for the salinity level of the ocean. 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 $474.10 Special Price $350.71
  16. Ferric Chloride, Anhydrous, Technical
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Ferric Chloride, Anhydrous, Technical (1 per EA)
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    $68.75
  17. Sodium Sulfite, ACS, 2.5 kg, Poly
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Sodium Sulfite, ACS, 2.5 kg, Poly (1 per EA )
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    $68.35
  18. Potassium Bromide, Crystal, Reagent, ACS, 25kg, CAS# 7758-02-3
    Manufacturer: Spectrum Chemical
    Potassium Bromide, Crystal, Reagent, ACS, is found as a white crystal and is very soluble in water. In infrared spectroscopy, samples are analyzed by grinding with powdered potassium bromide and pressing into a disc. 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.

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    $1,553.20
  19. Sodium Benzoate Powder Lab - Lab, 2.5Kg, CAS#532-32-1
    Manufacturer: Dawn Scientific
    Sodium Benzoate Powder Lab - Lab, 2.5Kg, CAS#532-32-1 (1 per EA )
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    was $159.62 Special Price $155.63
  20. 1-Decanesulfonic acid sodium salt (Monohydrate), CAS# 13419-61-9, 50g
    Manufacturer: Dawn Scientific
    1-Decanesulfonic acid sodium salt (Monohydrate), CAS# 13419-61-9, 50g (1 per EA )
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    was $239.62 Special Price $233.63
  21. Strontium Chloride, Hexahydrate, 125g, CAS# 10025-70-4
    Manufacturer: Spectrum Chemical
    Strontium Chloride, Hexahydrate (1 per EA )
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    $126.98
  22. Magnesium Citrate Tribasic, 12kg, CAS# 3344-18-1
    Manufacturer: Spectrum Chemical
    Magnesium Citrate Tribasic (1 per EA )
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    $1,855.46
  23. Sodium Sulfite, Exsiccated, Purified, 2.5kg, 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.

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    was $336.50 Special Price $248.92
  24. Cobalt Bromide, Anhydrous, 250g, CAS# 7789-43-7
    Manufacturer: Spectrum Chemical
    Cobalt Bromide, Anhydrous (1 per EA )
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    $985.15
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