Potassium carbonate (CAS 584-08-7) — formula CK2O3, molecular weight 137.91 g/mol; category chemical.
Potassium carbonate (CAS 584-08-7) is a chemical raw material in the chemical category. Its molecular formula CK2O3 comprises 1 C, 2 K, 3 O atoms. Its molecular weight is about 137.91 g/mol. Reported physicochemical data: melting point around 899 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 584-08-7 |
|---|---|
| Molecular Formula | CK2O3 |
| Molecular Weight | 137.91 g/mol |
| Melting Point | 899 °C |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥 |
| Category | Acidity Regulators |
Documented applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥.
Potassium carbonate is a chemical compound with CAS registry number 584-08-7 and molecular formula CK2O3 (molecular weight 137.91 g/mol), belonging to the chemical segment of chemical raw materials.
CAS number: 584-08-7
Its molecular formula CK2O3 comprises 1 C, 2 K, 3 O atoms.
Also known as: Potassium carbonate · 碳酸钾
Category: chemical
The CAS registry number of Potassium carbonate is 584-08-7.
Molecular formula CK2O3, molecular weight 137.91 g/mol.
It is also registered under: Potassium carbonate, 碳酸钾.
Recorded applications: 典型应用领域：食品配料, 日化原料, 精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥.
Category: Acidity Regulators.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Potassium carbonate (CAS 584-08-7), compiled from public chemistry databases.
| CAS Number | 584-08-7 |
|---|---|
| PubChem CID | 11430 |
| Molecular Formula | CK2O3 |
| Molecular Weight | 137.91 g/mol |
| IUPAC Name | dipotassium;carbonate |
| InChIKey | BWHMMNNQKKPAPP-UHFFFAOYSA-L |
| UNII (FDA) | BQN1B9B9HA |
| Molecular Weight | 138.205 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 137.91215683 |
| Monoisotopic Mass | 137.91215683 |
| Topological Polar Surface Area | 63.2 |
| Heavy Atom Count | 6 |
| Melting Point | 899 °C |
|---|---|
| Melting Point | 891 °C |
| Solubility | 111 g/100 g water at 25 °C |
| Density | 2.29 g/cu cm |
| Density | 2.29 g/cm³ |
| Density | 2.29 @25 °C |
POTASSIUM CARBONATE; 584-08-7; Dipotassium carbonate; Carbonate of potash; Potassium carbonate, anhydrous; Carbonic acid, dipotassium salt; Pearl ash; Salt of tartar; Kaliumcarbonat; Kalium carbonicum; K-Gran; Potassium carbonate (K2CO3); K2CO3; Potassium carbonate (2:1); BQN1B9B9HA; Potassium carbonate (K2(CO3))
| Regulatory & food contact | FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, LEAVENING AGENT, NUTRIENT SUPPLEMENT, PH CONTROL AG ACIDITY_REGULATOR: Food Additives FLAVORING AGENT OR ADJUVANT, LEAVENING AGENT, NUTRIENT SUPPLEMENT, PH CONTROL AGENT, PROCESSING AID NOT LIMITED NMRS 40/TRS 339-JECFA 9/16 FAS 67.29/NMRS 40A,B,C-JECFA 9/159 (1965) |
|---|---|
| GHS notifications | 0.9% (25 / 2657) |
| GHS notifications | 0.9% (25 / 2657) |
|---|---|
| Notified hazard statements | H302 (15.4%), H315 (45%), H319 (97.7%), H335 (42.3%), H318, H402, H412 |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 碳酸钾