This site requires that javascript be enabled. Please configure your browser in the tools or configuration section.


Certificate of Analysis

Cesium hydroxide monohydrate, 96%; cesium carbonate <5%

CAS: 35103-79-8 MDL: MFCD00149664  EINECS: 244-344-1
UN#:UN3262Hazard Class:8Packing Group:II


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
Please login or select country.

Chemical Properties

Formula: CsOH•H2O  Density: 1.870
Formula weight: 167.93 (149.91anhy)  Sensitivity: Air Sensitive & Hygroscopic
Melting point: 205-206° 

Literature References

Superior base for catalytic alkynylation of aldehydes and ketones with 1-alkynes: Angew. Chem. Int. Ed., 38, 1463 (1999). Promotes the chemoselective N-monoalkylation of primary amines with alkyl bromides in DMF: Org. Lett., 1, 1893 (1999). Under similar conditions, with the addition of Bu4NI, alcohols are converted to ethers: Tetrahedron Lett., 40, 1843 (1999).

Other References

Merck: 14,2013
UN#: UN3262
Harmonized Tariff Code:   2825.90

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H302

Causes severe skin burns and eye damage. Harmful if swallowed.

Precautionary Statements : P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

CorrosiveHarmful or Irritant

Risk & Safety

Risk Phrases: 22-34
Harmful if swallowed. Causes burns.
Safety Phrases: 20-26-36/37/39-45
When using do not eat or drink. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
Harmful Corrosive
RTECS: FK9800000