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 Bisulfite, Granular, Reagent, ACS, 2.5kg, CAS# 7631-90-5
    Manufacturer: Spectrum Chemical
    Sodium Bisulfite, Granular, Reagent, ACS, is also referred to as sodium hydrogen sulfite. In chemistry it is mainly used in purification procedures as a reducing agent in organic synthesis . It is commonly used in industry to prevent oxidization that leads to corrosion in large piping networks . 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 $721.05 Special Price $533.37
  2. Sodium Formate, Crystal, Reagent, ACS, 2.5kg, CAS# 141-53-7
    Manufacturer: Spectrum Chemical
    Sodium Formate, Crystal, Reagent, ACS is the sodium salt of formic acid and appears as a deliquescent white powder. It is typically used as a buffering agent for mineral acids, as well as food additive. 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 $664.55 Special Price $491.57
  3. Calcium Gluconate, Monohydrate, USP, 2.5kg, CAS# 66905-23-5
    Manufacturer: Spectrum Chemical
    Calcium Gluconate, Monohydrate, 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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    was $583.50 Special Price $517.96
  4. Potassium Chloride, Granular, USP, 2.5kg, 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 $487.20 Special Price $432.48
  5. Ferrous Sulfate, Heptahydrate, ACS, 500 g
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Ferrous Sulfate, Heptahydrate, ACS, 500 g (1 per EA)
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    $38.20
  6. Calcium Chloride, Dihydrate, ACS, 50 kg, Drum CAS# 2971347
    Manufacturer: 710 Spirits Rocky Mtn Reagents
    Calcium Chloride, Dihydrate, ACS, 50 kg, Drum CAS# 2971347 (1 per EA )
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    $877.20
  7. Potassium Phosphate, Dibasic, Anhydrous, FCC, 12kg, CAS# 7778-53-2
    Manufacturer: Spectrum Chemical
    Potassium Phosphate, Dibasic, Anhydrous, FCC is used as an acidity regulator, antioxidant, sequestrant and stabilizer in food and beverages. 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.

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    was $1,526.20 Special Price $1,354.76
  8. Potassium Phosphate, Dibasic, Anhydrous, FCC, 500g, CAS# 7758-11-4
    Manufacturer: Spectrum Chemical
    Potassium Phosphate, Dibasic, Anhydrous, FCC is used as an acidity regulator, antioxidant, sequestrant and stabilizer in food and beverages. 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.

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    was $260.00 Special Price $192.33
  9. Sodium Phosphate, Tribasic, Anhydrous, FCC, 2.5kg, CAS# 7601-54-9
    Manufacturer: Spectrum Chemical
    Sodium Phosphate, Tribasic, Anhydrous, FCC is used as an acidity regulator (buffering agent), emulsifier, thickening agent, nutrition enlargement agent 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.

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    was $588.25 Special Price $522.17
  10. Strontium Acetate, 100g, CAS# 543-94-2
    Manufacturer: Spectrum Chemical
    Strontium Acetate is a compound used in some toothpastes to desensitize teeth to extremes of hot and cold, sweets, acids, or contact. 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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    $88.24
  11. Cupric Sulfate, Pentahydrate, Crystal, CP, 500g, CAS# 7758-99-8
    Manufacturer: Spectrum Chemical
    Cupric Sulfate, Pentahydrate, Crystal, CP, also known as Copper(II) Sulfate, is a chemical compound that exists as a salt or crystal and differs in the degree of hydration. It uses very from use as a herbicide to use as a dye. It is also used in Benedict's solution, Fehling's solution and Biuret reagent. 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 $129.65 Special Price $95.89
  12. Ammonium Pentaborate, Tetrahydrate, Reagent, 500g, CAS# 12046-04-7
    Manufacturer: Spectrum Chemical
    Ammonium Pentaborate, Tetrahydrate, Reagent (1 per EA )
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    was $183.45 Special Price $135.69
  13. Cupric Nitrate, Hydrate, Crystal, Purified, 125g, CAS# 19004-19-4
    Manufacturer: Spectrum Chemical
    Cupric Nitrate, Hydrate, Crystal, Purified is a also known as a copper nitrate and can be obtained as a crystalline solid as well as a hydrated form. Mostly used to produce copper oxide, it is also used as a polisher for other metals and in pyrotechnics.

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    was $99.20 Special Price $73.39
  14. Potassium Hexafluorophosphate, 100g, CAS# 17084-13-8
    Manufacturer: Spectrum Chemical
    Potassium Hexafluorophosphate, the chemical compound with the formula KPF6, consists of hexafluorophosphate anions and potassium cations. It is used as a is a common laboratory source of the hexafluorophosphate anion, a non-coordinating anion that imparts lipophilicity to its salts. 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 $187.65 Special Price $138.80
  15. Potassium Perchlorate, Crystal, Reagent, ACS, 125g, CAS# 7778-74-7
    Manufacturer: Spectrum Chemical
    Potassium Perchlorate, Crystal, Reagent, ACS, also known as Perchloric acid or peroidin, is an inorganic salt and used as 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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    $235.90
  16. Gadolinium Chloride, Hexahydrate, 100g, CAS# 13450-84-5
    Manufacturer: Spectrum Chemical
    Gadolinium Chloride, Hexahydrate, also known as gadolinium trichloride, is a water-soluble solid with applications as relaxation agents in magnetic resonance imaging. 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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    $506.25
  17. Sodium Acetate, Anhydrous, USP, 2.5kg, CAS# 66813-84-1
    Manufacturer: Spectrum Chemical
    Sodium Acetate, Anhydrous, USP is used as an electrolyte replenisher in isosmotic solution for parenteral replacement of acute losses of extracellular fluid without disturbing normal electrolyte balance. All Spectrum Chemical USP grade 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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    $1,250.40
  18. Sodium Tartrate, Dihydrate, Purified, 2.5kg, CAS# 6106-24-7
    Manufacturer: Spectrum Chemical
    Sodium Tartrate, Dihydrate, Purified, also known as Sal tartar or Disodium tartrate, is used as a binding agent in certain foods and as an emulsifier. 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 $642.90 Special Price $475.57
  19. Chromium Trioxide, Flakes, Purified, 500g, 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 $271.95 Special Price $201.16
  20. Cupric Acetate, Monohydrate, Purified, 2.5kg, CAS# 6046-93-1
    Manufacturer: Spectrum Chemical
    Cupric Acetate, Monohydrate, Purified (1 per EA )
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    was $663.00 Special Price $490.44
  21. Potassium Dichromate, Granular, Technical, 2.5kg, CAS# 7778-50-9
    Manufacturer: Spectrum Chemical
    Potassium Dichromate, Granular, Technical (1 per EA )
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    was $529.75 Special Price $391.87
  22. Strontium Chloride, Hexahydrate Solution, 4L, CAS# 10025-70-4
    Manufacturer: Spectrum Chemical
    Strontium Chloride, Hexahydrate (1 per EA )
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    $345.28
  23. Ammonium Formate, Crystal, Reagent, 2.5kg, CAS# 540-69-2
    Manufacturer: Spectrum Chemical
    Ammonium Formate, Crystal, Reagent can be used as a buffer in high performance liquid chromatography (HPLC), and is suitable for use with liquid chromatography-mass spectrometry (LC/MS). 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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    was $841.10 Special Price $622.19
  24. Ammonium Sulfamate, Reagent, ACS, 12kg, CAS# 7773-06-0
    Manufacturer: Spectrum Chemical
    Ammonium Sulfamate, Reagent, ACS, also known as Ammonium sulphamate, is used as a compost accelerator, as a broad spectrum herbicide, and as a flame retardant. 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 $2,982.75 Special Price $2,206.41
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