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Cyclopropyl methyl ketone, 99% - CAS 765-43-5 - Formula C5H8O

A13540 765-43-5 Cyclopropyl methyl ketone, 99% Acetylcyclopropane Alfa Aesar


Certificate of Analysis

Cyclopropyl methyl ketone, 99%

CAS: 765-43-5 MDL: MFCD00001297  EINECS: 212-146-4
UN#:UN1992Hazard Class:3Packing Group:II
Alternate Name: Acetylcyclopropane


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
25g 35.70 Check Availability Add to Favorites Enter qty and click checkbox
100g 108.00 Check Availability Add to Favorites Enter qty and click checkbox
500g 441.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C5H8O  Flash point: 16°(61°F)
Formula weight: 84.12  Density: 0.898
Melting point: <-70° Refractive Index: 1.4240
Boiling point: 113-114° 

Literature References

Various cyclopropyl ketones have been used in the synthesis of δ-ketonic phosphonium salts which, protected as thioacetals, have found use in the Wittig reaction: Synthesis, 648 (1987):

Other References

Beilstein: 1633817
UN#: UN1992
Harmonized Tariff Code: 2914.29

GHS Hazard and Precautionary Statements

Hazard Statements : H225-H301-H315-H319-H335

Highly flammable liquid and vapour. Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P210-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.


Risk & Safety

Risk Phrases: 11-22-36/37/38
Flammable. Harmful if swallowed. Irritating to eyes, respiratory system and skin.
Safety Phrases: 9-16-23-26-36/37-60
Keep container in a well ventilated place. Keep away from sources of ignition - No Smoking. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves. This material and/or its container must be disposed of as hazardous waste.
Harmful Highly Flammable
RTECS: KM5648000