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Potassium Carbonate Anhydrous 99% AR Grade Reagent

Cas Number:584-08-7
Formula: K2CO3
Molar Mass:138.21
EC Number:209-529-3

Quantity:
  • AR
  • LABOR
  • 217902129

Potassium Carbonate Anhydrous 99% AR Grade Reagent


Cas Number:584-08-7

Formula: K2CO3

Molar Mass:138.21

EC Number:209-529-3


Physicochemical properties:

White granules or powder. Odorless. It is hygroscopic. Dissolved in 1 part cold water, 0.7 parts boiling water, almost insoluble in ethanol. The aqueous solution is strongly alkaline (pH 11.6). The relative density is 2.29. The melting point is 891 ° C. Low toxicity, half lethal dose (rat, oral) 1.87g/kg. Irritating.


Usage:

Analytical reagents. High purity analysis. Emission spectrum analysis. A flux of silicate and insoluble sulfate. A water absorbing agent for organic liquids. plating. fertilizer. For photography.


Packing:

500g/25kg






Item of Analysis

Standard

Assay,%

99.0 min

Transparency of solution

to pass test

Insoluble in water,%

0.005 max

Loss on drying,%

1.0 max

Chloride(Cl),%

0.003 max

Sulfur compounds(as SO4),%

0.003 max

Nitrogen compounds(N),%

0.001 max

Phosphate and silicate(as SiO2),%

0.005 max

Sodium(Na),%  

0.05 max

Magnesium(Mg),%

0.002 max

Calcium(Ca),%

0.002 max

Iron(Fe),%

0.0005 max

Copper(Cu),%

0.0005 max

Lead(Pb),%

0.0005 max


Symbol 

Signal word 

Warning

Hazard statement

H315


H319


H335

Precautionary statements—Prevention

P261


P264


P271


P280

Precautionary statements—Response

P302+P352


P304+P340+P312


P305+P351+P338


P332+P313


P337+P313

Precautionary statements—Storage

P4003+P233


P405

UN No.

No information



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