Potassium carbonate

CAS 584-08-7K2CO3Acids & Bases

Potassium carbonate (CAS: 584-08-7, Formula: K2CO3) is an inorganic compound with a molecular weight of 138.21 g/mol. It is a white, crystalline solid that is highly soluble in water, forming alkaline solutions. Potassium carbonate serves as a key reagent in various chemical syntheses, acting as a base and a drying agent. Its applications span industries including glass manufacturing, soap production, and as a buffering agent.

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Potassium carbonate (K2CO3) — chemical structure, CAS 584-08-7; Chemistry, fine chemical supplied by Tech Serve Solutions

Acids & BasesBasesChemical SynthesisInorganic BasesSynthetic Reagents

01 /Applications

Chemical Synthesis

Utilised as a moderately strong base in organic synthesis, particularly in reactions requiring a non-nucleophilic base. It is also employed as a drying agent for organic liquids and in the production of other potassium compounds.

Glass Manufacturing

An essential component in the production of certain types of glass, contributing to clarity and durability. It lowers the melting point of silica, facilitating glass formation.

Soap Production

Used in the manufacture of soft soaps and as a component in some liquid detergents. It helps to saponify fats and oils.

Buffering Agent

Its alkaline nature makes it suitable for use as a buffering agent in various chemical processes and formulations to maintain a stable pH.

02 /Properties

Molecular weight	138.21
Linear formula	K2CO3
Assay	≥98% (acidimetric)
Density	2.43 g/mL at 25 °C
Solubility	ethanol: insoluble(lit.)
pH	11.0-13.0 (25 °C, 1 M in H2O)
Loss on drying	≤0.8% loss on ignition, 600 °C
Melting point	891 °C(lit.)
Impurities tested	≤0.001% heavy metals (as Pb)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	1
Hazard codes (EU)	Xn
Risk statements (R)	22-36/37/38
Safety statements (S)	26-36
Cation traces	As: ≤2 mg/kgFe: ≤10 mg/kgNa: ≤5000 mg/kg
Anion traces	chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤100 mg/kg

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

584-08-7

Beilstein registry

4267587

05 /Additional specifications

Uv Absorption	λ: 260 nm Amax: 0.03λ: 280 nm Amax: 0.02

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Potassium Carbonate used for?

Potassium carbonate is used in chemical synthesis as a base and drying agent, in glass manufacturing, soap production, and as a buffering agent.

What is the CAS number and formula for Potassium Carbonate?

The CAS number for Potassium carbonate is 584-08-7, and its chemical formula is K2CO3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Potassium Carbonate with an assay of ≥98% (acidimetric). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

How should Potassium Carbonate be handled safely?

Potassium carbonate is harmful if swallowed and causes skin and serious eye irritation. It may also cause respiratory irritation. Always use appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Handle in a well-ventilated area.

How is Potassium Carbonate packed and shipped?

Potassium carbonate is available for purchase and export from Tech Serve Solutions. Please contact us for specific packaging and shipping details.

How can I request a sample or quote for Potassium Carbonate?

To request a sample or a quotation for Potassium carbonate, please visit the product page on the Tech Serve Solutions website and use the designated inquiry forms.