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 Sodium Tartrate, Tetrahydrate, Purified, 12kg, CAS# 6381-59-5
    Manufacturer: Spectrum Chemical
    Potassium Sodium Tartrate, Tetrahydrate, Purified was one of the first materials discovered to exhibit piezoelectricity. It is a double salt and is deliquescent so the material deteriorates if stored in damp conditions 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 $1,107.40 Special Price $819.17
  2. Calcium Phosphate Tribasic, Powder, Reagent, 125g, 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.

    (1 per EA)
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    was $216.60 Special Price $128.17
  3. Ammonium Fluoride ACS - ACS, 25g, CAS#3734614
    Manufacturer: Dawn Scientific
    Ammonium Fluoride ACS - ACS, 25g, CAS#3734614 (1 per EA )
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    was $39.62 Special Price $38.63
  4. Potassium Bromate, Purified, 500g, CAS# 7758-01-2
    Manufacturer: Spectrum Chemical
    Potassium Bromate, Purified (1 per EA )
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    was $258.85 Special Price $191.47
  5. Cuprous Cyanide, Powder, Purified, 500g, CAS# 544-92-3
    Manufacturer: Spectrum Chemical
    Cuprous Cyanide, Powder, Purified, also known of copper cyanide, is used as a catalyst and as a reagent in the preparation of nitriles. 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 $417.25 Special Price $308.64
  6. Indium-Tin Oxide, -325 Mesh, 25g, CAS# 50926-11-9
    Manufacturer: Spectrum Chemical
    Indium-Tin Oxide, -325 Mesh (1 per EA )
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    $585.35
  7. Manganese Gluconate, Dihydrate, USP, 12kg, CAS# 6485-39-8
    Manufacturer: Spectrum Chemical
    Manganese Gluconate, Dihydrate, USP is used as a trace element added to parenteral nutrition (PN) to prevent manganese deficiency; orally as a dietary supplement. 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.

    (1 per EA )
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    $1,742.62
  8. Calcium Chloride, Technical, 500g, CAS# 10035-04-8
    Manufacturer: Spectrum Chemical
    Calcium Chloride, Technical is a salt that is made using chlorine and calcium. It is usually a solid white powder with an extremely salty taste. It is highly hygroscopic and because of this it must be kept in tightly sealed, air tight containers. Calcium chloride has many uses. Its main use is as a desiccant and deicer. However, calcium chloride also is used as a food additive to add a salty flavor without increasing sodium content, used in medicine to treat hydrofluoric burns, as a sterilization agent for male animals, and as a source for calcium ions. Technical grade products supplied by Spectrum are indicative of a grade suitable for general industrial use.

    (1 per EA )
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    was $97.15 Special Price $71.85
  9. Antimony Potassium Tartrate, Powder, 500g, 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 $443.45 Special Price $328.03
  10. Magnesium Sulfate, Anhydrous, Powder, Reagent, 500g, CAS# 7487-88-9
    Manufacturer: Spectrum Chemical
    Magnesium Sulfate, Anhydrous, Powder, Reagent is the raw material for a common magnesium-based, called Epsom salts. The Epsom salt formulations are for both topical and oral indications. The topical preparation is a gel for soothing aches and pains while the internal formulation is commonly used as saline laxative. In it's anhydrous form, magnesium sulfate is used as a drying agent.

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    was $120.80 Special Price $72.37
  11. Potassium Citrate Hydrate FCC, 50.00 K Drum, Fiber
    Manufacturer: Reagents Inc
    Potassium Citrate Hydrate FCC, 50.00 K Drum, Fiber (1 per EA )
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    was $2,230.00 Special Price $1,672.92
  12. Cesium Chloride, Optical Grade, 1 Kilogram CAS# 7647-17-8
    Manufacturer: Research Products International
    Mol. Wt:168.4 Common Name: Formula: CsCl Dimensions: 3.50 x 7.00 x 3.50, Weight: 2.34, Cas#: 7647-17-8 Research or further manufacturing use only, not for food or drug use. (1 per EA)
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    $1,234.35
  13. Sodium Salicylate, reagent, 125.00 g Glass amber
    Manufacturer: Reagents Inc
    Sodium Salicylate, reagent, 125.00 g Glass amber (1 per EA )
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    was $59.00 Special Price $44.28
  14. Potassium Iodide ACS - ACS, 500g, CAS#7681-11-0
    Manufacturer: Dawn Scientific
    Potassium Iodide ACS - ACS, 500g, CAS#7681-11-0 (1 per EA )
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    was $98.62 Special Price $96.15
  15. Calcium Phosphate, Dibasic, Anhydrous, Powder, FCC, EP, BP, 2.5kg, CAS# 7757-93-9
    Manufacturer: Spectrum Chemical
    Calcium Phosphate, Dibasic, Anhydrous, Powder, FCC, EP, BP. All Spectrum Chemical FCC, EP, BP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP). (1 per EA )
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    was $647.20 Special Price $574.51
  16. Sodium Ascorbate, FCC, 500g, CAS# 134-03-2
    Manufacturer: Spectrum Chemical
    Sodium Ascorbate, FCC is used as a food additive as an antioxidant and 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 $350.95 Special Price $259.60
  17. Sodium Pyrophosphate, Anhydrous, Powder, FCC, 2.5kg, CAS# 7722-88-5
    Manufacturer: Spectrum Chemical
    Sodium Pyrophosphate, Anhydrous, Powder, FCC it is used as a palatability enhancer. 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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    $483.20
  18. Potassium Chloride, Granular, USP, 500g, CAS# 7447-40-7
    Manufacturer: Spectrum Chemical
    Potassium Chloride, Granular, 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.

    (1 per EA)
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    was $169.40 Special Price $125.31
  19. Barium Carbonate, Reagent, ACS, 2.5kg, CAS# 513-77-9
    Manufacturer: Spectrum Chemical
    Barium Carbonate, Reagent, ACS is an inorganic white crystal substance used to control the chromate to sulfate ratio in chromium electroplating baths. It is also used as a glazing agent in ceramics and in the creation of bricks and rat poison. 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 $886.00 Special Price $655.40
  20. Sodium Cobaltinitrite, Powder, Reagent, ACS, 25g, CAS# 13600-98-1
    Manufacturer: Spectrum Chemical
    Sodium Cobaltinitrite, Powder, Reagent, ACS, a coordination compound, forms the basis of a quantitative determination of thallium, potassium, and ammonium ions. 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 $135.80 Special Price $80.36
  21. Mercuric Iodide, Red, Powder, Reagent, ACS, 500g, CS6, 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.

    (6 per CS )
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    was $7,084.35 Special Price $4,243.81
  22. Calcium Chloride, Dihydrate, ACS, CAS# 2971347
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Calcium Chloride, Dihydrate, ACS, CAS# 2971347 (1 per EA)
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    $66.90
  23. Silver Lactate, 5g, CAS# 128-00-7
    Manufacturer: Spectrum Chemical
    Silver Lactate (1 per EA )
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    $177.80
  24. Sodium Phosphate Tribasic Dodecahydrate Lab - Lab, 2.5Kg, CAS#10101-89-0
    Manufacturer: Dawn Scientific
    Sodium Phosphate Tribasic Dodecahydrate Lab - Lab, 2.5Kg, CAS#10101-89-0 (1 per EA )
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    was $139.62 Special Price $136.13
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