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Caesium carbonate, 5 g

≥99,9 %, p.a.
Examples of effect: Damage metals and burn body tissues; may cause serious eye damage. Safety: Avoid contact; wear safety spectacles and gloves. In the event of contact with eyes and skin, rinse with water.
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
Examples of effect: Have an allergenic effect, carcinogenic, mutagenic, toxic to reproduction and cause developmental toxicity (reprotoxic) or damage to organs Safety: You must be well-informed before starting work with these substances; wear protective clothing and gloves, eye protection and mask or breathing protection.
i causes skin irritation, causes serious eye damage, may cause respiratory irritation, suspected of damaging fertility (if swallowed), may cause damage to organs (kidney) through prolonged or repeated exposure (if swallowed)
P201 P261 P280 P302+P352 P305+P351+P338 P310
i obtain special instructions before use, avoid breathing dust, wear protective gloves/eye protection, IF ON SKIN: Wash with plenty of water, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing, immediately call a POISON CENTER/doctor
Pack Qty.
Cesium salts
Empirical formula Cs2CO3
Molar mass (M) 325,82 g/mol
Density (D) 4,24 g/cm³
Melting point (mp) >400 °C
CAS No. [534-17-8]
EG-Nr. 208-591-9

Base for organic chemistry

Type analysis

CHF23.10/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. 6873.1

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Caesium carbonate
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6873.1 5 g plastic CHF23.10
6873.2 25 g plastic CHF51.10
6873.3 100 g plastic CHF161.70
6873.4 500 g plastic CHF525.00
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General information

Salts for Analysis

Our salts for analysis are manufactured under strict production guidelines. Analytical purity and best quality reliably characterize each batch. Salts in p.a. quality made by Carl ROTH meet the high requirements for reproducible results. Most of our salts are additionally specified according to international standards like ACS and ISO.

p.a.: pro analysi (for analysis)ACS: American Chemical SocietyISO: International Standard Organisation


Many reaction mechanisms require deprotonation so that the desired reaction can take place. The strength of the required bases depends entirely on the application. Carl ROTH supplies a wide selection of bases which play an important role in organic synthesis.

Analysis certificates

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Appearancewhite solid  
Assay≥99,9 %  
Lithium (Li)≤0,0005 %  
Sodium (Na)≤0,01 %  
Potassium (K)≤0,02 %  
Rubidium (Rb)≤0,02 %  
Calcium (Ca)≤0,0005 %  
Magnesium (Mg)≤0,0002 %  
Barium (Ba)≤0,003 %  
Strontium (Sr)≤0,0005 %  
Aluminium (Al)≤0,001 %  
Iron (Fe)≤0,0003 %  
Chromium (Cr)≤0,0002 %  
P2O5≤0,002 %  
Sulphate (SO4)≤0,005 %  
Chloride (Cl)≤0,01 %  
Nitrate (NO3)≤0,003 %  
Silicate (SiO2)≤0,005 %  
Loss on ignition (500 °C)≤0,5 %  

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