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 Carbonate, Anhydrous, Granular, FCC, 2.5kg, CAS# 584-08-7
    Manufacturer: Spectrum Chemical
    Potassium Carbonate, Anhydrous, Granular, FCC is used as a meat tenderizer, a source of dietary potassium and a buffering agent in wine 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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    was $387.65 Special Price $344.11
  2. Potassium Sorbate, Granular, NF, 125g, 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 $114.85 Special Price $84.95
  3. Chromium Trioxide, Flakes, Purified, 2.5kg, CAS# 1333-82-0
    Manufacturer: Spectrum Chemical
    Chromium Trioxide, Flakes, Purified is a flaky dark purple solid when anhydrous and turns orange when when wet. Its main use is in chrome-plating. Typically used with additives during the plating process that do not affect the trioxide, it can also be used with chromic acid to apply certain types of anodic coating to aluminum.

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    was $859.35 Special Price $635.68
  4. Calcium Phosphate Tribasic, Powder, Reagent, 500g, CAS# 1306-06-5
    Manufacturer: Spectrum Chemical
    Calcium Phosphate Tribasic, Powder, Reagent can also be referred to as Tricalcium phosphate and is abbreviated TCP. It is one of the main products of bone combustion but can also be obtained from inorganic sources such as mineral rock. It is used in baby powder as well as in powdered spices as an anti-caking agent. It is also used in gene transfection as well as for repairing bony defects and as a diet supplement. It has also historically been used in the production of porcelain. 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.

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    was $537.60 Special Price $318.15
  5. Ferrosoferric Oxide, Black, Powder, 45kg, 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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    $1,242.60
  6. Sodium Metabisulfite, Anhydrous, Granular, Reagent, ACS, 45kg, CAS# 7681-57-4
    Manufacturer: Spectrum Chemical
    Sodium Metabisulfite, Anhydrous, Granular, Reagent, ACS, also known as disodium or metabisulfite, is typically used as an antioxidant, disinfectant or preservative agent. 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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    $1,675.45
  7. EDTA disodium salt dihydrate, CAS# 6381-92-6, 500g
    Manufacturer: Dawn Scientific
    HPLC Buffer Salts (1 per EA )
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    was $154.62 Special Price $150.76
  8. Ammonium Iodide, Reagent, ACS, 125g, CAS# 12027-06-4
    Manufacturer: Spectrum Chemical
    Ammonium Iodide, Reagent, ACS is used in photographic chemicals and some medications. 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.

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    was $317.80 Special Price $188.07
  9. Cobalt Sulfate, Practical, 2.5kg, CAS# 10026-24-1
    Manufacturer: Spectrum Chemical
    Cobalt Sulfate, Practical is an inorganic compound that is the divalent salt of sulfuric acid and cobalt salt. It is a red monoclinic crystal that has a melting point of approximately 100 Deg C, is water soluble and is used in the creation of pigments as well as being used to manufacture various other cobalt salts. The pigment is used in the production of porcelain and glass and the sulfate is primarily used in batteries and electroplating solutions.

    (1 per EA )
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    was $1,316.85 Special Price $974.11
  10. Ferric Ammonium Oxalate, Granular, 12kg, CAS# 13268-42-3
    Manufacturer: Spectrum Chemical
    Ferric Ammonium Oxalate, Granular is a water soluble product used in the manufacturing of blueprint paper and for the chemical absorption on anodized aluminum, producing a range of gold colors from light champagne hues to dark gold finishes. 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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    $1,222.55
  11. Sodium n-Hexadecyl Sulfate, 500g, CAS# 1120-01-0
    Manufacturer: Spectrum Chemical
    Sodium n-Hexadecyl Sulfate is used as an anionic cleansing and emulsifying 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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    $512.00
  12. Copper Undecylenate, Powder, 5g, CAS# 1328-71-8
    Manufacturer: Spectrum Chemical
    Copper Undecylenate, Powder (1 per EA )
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    $271.80
  13. Ferrous Gluconate, FCC, 50kg, CAS# 12389-15-0
    Manufacturer: Spectrum Chemical
    Ferrous Gluconate, FCC is used as an iron fortification food supplement additive. 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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    $2,296.00
  14. Sodium Bromide, Granular, Reagent, ACS, 125g, CAS# 7647-15-6
    Manufacturer: Spectrum Chemical
    Sodium Bromide, Granular, Reagent, ACS is used in photography in the preparation of silver bromide emulsion on photographic plates or films. As a Reagent ACS grade 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 $112.20 Special Price $66.40
  15. Magnesium Chloride, Anhydrous, 100g, CAS# 7786-30-3
    Manufacturer: Spectrum Chemical
    Magnesium Chloride, Anhydrous, is a chemical compound that is highly soluble in water and is a typical ionic halides. It has a wide range of uses, notably the production of magnesium metal, it is also used for dust control, ice control and road stabilization.

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    $258.96
  16. Cadmium Sulfide, Purified, 125g, CAS# 1306-23-6
    Manufacturer: Spectrum Chemical
    Cadmium Sulfide, Purified is an inorganic yellow solid. CdS is used as a starting material for a variety of cadmium pigments and is also used in manufacturing photoresistors. 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 $272.85 Special Price $201.83
  17. Lead Carbonate, Powder, CP, 2.5kg, CAS# 598-63-0
    Manufacturer: Spectrum Chemical
    Lead Carbonate, Powder, CP was formerly used as a white pigment in paints, that was a common cause of painter's colic, and that may cause lead poisoning especially in children who come in contact with or ingest paint from older surfaces which contain it. CP or Chemically Pure grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $723.15 Special Price $541.48
  18. Sodium Borate Decahydrate, Technical, 2.5kg, 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.

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    was $297.70 Special Price $220.21
  19. Mercuric Oxide, Red, Powder, Reagent, ACS, 2.5kg, 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 $4,094.85 Special Price $3,066.21
  20. Calcium Chloride, Technical, CAS# 10043-52-4
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    DowflakeTM XTRA; 83-87% (1 per EA)
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    $49.55
  21. Potassium Gluconate, Anhydrous, FCC, 12kg, CAS# 299-27-4
    Manufacturer: Spectrum Chemical
    Potassium Gluconate, Anhydrous, FCC is used as a mineral supplement and sequestrant. 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 $1,502.85 Special Price $1,334.04
  22. Calcium Silicide, -140 Mesh, Powder, 100g, CAS# 12013-56-8
    Manufacturer: Spectrum Chemical
    Calcium Silicide, -140 Mesh, Powder (1 per EA )
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    $155.30
  23. Sodium Chromate, Anhydrous, 100g, CAS# 7775-11-3
    Manufacturer: Spectrum Chemical
    Sodium Chromate, Anhydrous, is a chemical compound that is a solid and has a yellow color. It is water-soluble and has strong oxidizing properties. When mixed with water it creates a weak basic solution. It is mainly used to inhibit corrosion in the petroleum industry as well as being used to determine the volume of red blood cells in diagnostic pharmaceuticals.

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    $116.00
  24. Sodium Acetate, Anhydrous, Reagent, ACS, 12kg, 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 $1,196.65 Special Price $885.19
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