CAS No.584-08-7,Potassium carbonate Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	584-08-7
Name:	Potassium carbonate
Article Data:	335
Cas Database

Formula:	K₂CO₃
Molecular Weight:	138.206
Synonyms:	Carbonic acid,compounds,dipotassium salt;dipotassium salt;Potassium Carbonate ACS Granular;EPA Pesticide Chemical Code 073504;Kalium carbonicum;Dipotassium carbonate;Potassium carbonate (JP14/USP);Potassium carbonate (2:1);Salt of tartar;Carbonate of potash;Pearl ash;Carbonic acid, dipotassium salt;Kaliumcarbonat [German];Potassium carbonate, anhydrous;Potassium carbonate (K2CO3);
EINECS:	209-529-3
Density:	2.43 g/mL at 25 °C
Melting Point:	891 °C(lit.)
Boiling Point:	333.6oC at 760 mmHg
Flash Point:	111oC
Solubility:	1120 g/L (20 °C) in water
Appearance:	white powder or granules
Hazard Symbols:	Xn
Risk Codes:	22-36/37/38-20/21/22
Safety:	26-36-37/39
Transport Information:	UN 3262
PSA:	63.19000
LogP:	-2.44700

Synthetic route

: 590-29-4
potassium formate

A: 583-52-8
potassium oxalate

B: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
potassium hydroxide In solid byproducts: H2; 330 °C; with KOH (1:0.05) in N2 atmosphere, the heating rate 6 deg/min;	A 93% B n/a
in aluminium block at 460-500°C;	A 79% B n/a
With air In melt 460-500°C, in presence of air;	A 79% B 20%

: dipotassium pentacarbonyltungstate(-II)

: 124-38-9
carbon dioxide

A: 14040-11-0
tungsten hexacarbonyl

B: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
In tetrahydrofuran reductive disproportionation;; IR;;	A 48% B 78%

...Expand

: dipotassium pentacarbonylmolybdate(-II)

: 124-38-9
carbon dioxide

A: 584-08-7
potassium carbonate

B: 13939-06-5, 199620-15-0
molybdenum hexacarbonyl

Conditions

Conditions	Yield
In tetrahydrofuran reductive disproportionation, mechanism discussed;; IR;;	A 73% B 42%

...Expand

: dipotassium pentacarbonylchromate

: 124-38-9
carbon dioxide

A: 584-08-7
potassium carbonate

B: 199620-14-9, 13007-92-6
chromium(0) hexacarbonyl

Conditions

Conditions	Yield
In tetrahydrofuran reductive disproportionation;; IR;;	A 68% B 46%

...Expand

: 6C35H53N2(1-)*6CO3(2-)*6Ni(2+)*6K(1+)

: 7727-37-9
nitrogen

A: K2N2Ni2(N2C3H(C(CH3)3)2(C6H3(CH(CH3)2)2)2)2

B: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
With KC8 In hexane at 20℃; for 48h;	A 68% B n/a

...Expand

: 420-49-5
chlorodifluoroiodomethane

: potassium hydroxide

A: 75-45-6
Chlorodifluoromethane

B: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
In ethanol decompn. with alc. KOH at 35°C in 48h;;	A 24% B n/a
In ethanol

...Expand

: potassium tris(oxalato)lanthanum(III)nonahydrate

A: lanthanum(III) oxide

B: potassium oxo lanthanate (III)

C: lanthanum sesquicarbide

D: 584-08-7
potassium carbonate

E: potassium oxide

Conditions

Conditions	Yield
With air In neat (no solvent) sample heating in air up to 1000°C; TG, DTG, DTA, XRD;	A n/a B n/a C 1% D n/a E n/a

...Expand

: 2033-24-1
cycl-isopropylidene malonate

: 4-(2,4,6-trifluorophenyl)-6-(2,4-difluorophenyl)-2-(methylthio)-5-pyrimidine carboxaldehyde

: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
With 2,6-dimethylpyridine In acetonitrile at 55℃; for 4h; Product distribution / selectivity;

: potassium chloride

: 743369-26-8
zinc(II) carbonate

: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
With CO2 In water sepn. and decompn. of the formed K-Zn-double carbonate with hot water;
With carbon dioxide In water sepn. and decompn. of the formed K-Zn-double carbonate with hot water;

: potassium chloride

: silver carbonate

: 584-08-7
potassium carbonate

Conditions

Conditions	Yield
With water byproducts: AgCl;
With H2O byproducts: AgCl;

Raw Materials

676-47-1

3811-04-9

868-14-4

34171-69-2

7440-09-7

583-52-8

497-19-8

Downstream Products

122-97-4

868-14-4

103-50-4

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History

1、Potassium carbonate was first identified in 1742 by Antonio Campanella and is the primary component of potash and the more refined pearlash or salts of tartar.
2、The first patent issued by the U.S. Patent Office was awarded to Samuel Hopkins in 1790 for an improved method of making potash and pearlash.
3、In late 18th century North America, before the development of baking powder, pearl ash was used as a leavening agent in "quick breads".

Consensus Reports

Reported in EPA TSCA Inventory.

Specification

Potassium carbonate , its CAS NO. is 584-08-7, the synonyms are Carbonic acid, dipotassium salt ; Dipotassium carbonate . Potassium carbonate (K₂CO₃) is a white salt, soluble in water (insoluble in ethano), which forms a strongly alkaline solution. It is deliquescent, often appearing a damp or wet solid. Potassium carbonate is used in the production of soap and glass.

Properties about Potassium carbonate are: (1)mp: 891 °C(lit.); (2)density: 2.43 g/mL at 25 °C; (3)storage temp.: Store at RT.; (4)solubility H2O: 1 M at 20 °C, clear, colorless; (5)form: powder; (6)Water Solubility: 1120 g/L (20 oC); (7)Sensitive: Hygroscopic; (8)Merck: 14,7619; (9)BRN: 4267587;

Preparation of Potassium carbonate: Today potassium carbonate is prepared commercially by the electrolysis of potassium chloride. The resulting potassium hydroxide is then carbonated using carbon dioxide to form potassium carbonate, which is often used to produce other potassium compounds.

2KOH + CO₂ → K₂CO₃ + H₂O

Uses of Potassium carbonate: Potassium carbonate is being used as the electrolyte in many cold fusion experiments. It is sometimes used as a buffering agent in the production of mead or wine. It is also used as a fire suppressant in extinguishing deep fat fryers and various other B class related fires. It is used in reactions to maintain anhydrous conditions without reacting with the reactants and product formed. It may also be used to pre-dry some ketones, alcohols, and amines prior to distillation. It is mixed with distilled water to make a safer electrolyte for oxyhydrogen production than potassium hydroxide, the more commonly used electrolyte. In cuisine, it is used as an ingredient in the production of grass jelly, a food consumed in Chinese and Southeast Asian cuisines.

When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2. Wear suitable protective clothing;
3. Wear suitable gloves and eye/face protection;

You can still convert the following datas into molecular structure:
(1)InChI=1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2;
(2)InChIKey=BWHMMNNQKKPAPP-UHFFFAOYSA-L;
(3)SmilesC(=O)([O-])[O-].[K+].[K+];

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Source
bird - wild	LD50	oral	100mg/kg (100mg/kg)	Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
mouse	LD50	oral	2570mg/kg (2570mg/kg)	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(5), Pg. 30, 1989.
rat	LC	inhalation	> 500mg/m3 (500mg/m3)	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 33(5), Pg. 30, 1989.
rat	LD50	oral	1870mg/kg (1870mg/kg)	American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.