ChemicalBook >> CAS DataBase List >>Cyclopropyl methyl ketone

Cyclopropyl methyl ketone

CAS No.
765-43-5
Chemical Name:
Cyclopropyl methyl ketone
Synonyms
CPMK;Ethanone, 1-cyclopropyl-;1-CYCLOPROPYL-ETHANONE;Cyclopropylethanone;ACETYLCYCLOPROPANE;ACETYLTRIMETHYLENE;METHYL CYCLOPROPYL KETONE;NSC2031;NSC 1940;NSC 2031
CBNumber:
CB2201645
Molecular Formula:
C5H8O
Molecular Weight:
84.12
MDL Number:
MFCD00001297
MOL File:
765-43-5.mol
MSDS File:
SDS
Last updated:2026-04-10 10:27:08
Product description Number Pack Size Price
Cyclopropyl methyl ketone 99% C120006 25g $76.9
Cyclopropyl methyl ketone 99% C120006 100g $151
Cyclopropyl Methyl Ketone >98.0%(GC) C0985 25mL $28
Cyclopropyl Methyl Ketone >98.0%(GC) C0985 100mL $56
Cyclopropyl Methyl Ketone >98.0%(GC) C0985 500mL $167
More product size

Cyclopropyl methyl ketone Properties

Melting point <-70°C
Boiling point 114 °C(lit.)
Density 0.849 g/mL at 25 °C(lit.)
refractive index n20/D 1.424(lit.)
Flash point 70 °F
storage temp. Sealed in dry,Room Temperature
solubility 185g/l
form Liquid
color Clear colorless to very slightly yellow
Specific Gravity 0.849
explosive limit 1.7%(V)
Water Solubility Fully miscible in water.
BRN 1633817
Henry's Law Constant 9.5×10-1 mol/(m3Pa) at 25℃, Bagno et al. (1991)
InChI 1S/C5H8O/c1-4(6)5-2-3-5/h5H,2-3H2,1H3
InChIKey HVCFCNAITDHQFX-UHFFFAOYSA-N
SMILES CC(=O)C1CC1
CAS DataBase Reference 765-43-5(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII N27YY1XCFH
NIST Chemistry Reference Ethanone, 1-cyclopropyl-(765-43-5)
EPA Substance Registry System Cyclopropyl methyl ketone (765-43-5)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS06
Signal word  Danger
Hazard statements  H225-H301
Precautionary statements  P210-P233-P240-P241-P242-P301+P310
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F
Risk Statements  11
Safety Statements  9-16-29-33
RIDADR  UN 1224 3/PG 2
WGK Germany  3
RTECS  KM5648000
HazardClass  3
PackingGroup  II
HS Code  29142900
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Flam. Liq. 2
Skin Corr. 1C
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
3 0

Cyclopropyl methyl ketone price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C120006 Cyclopropyl methyl ketone 99% 765-43-5 25g $76.9 2026-03-19 Buy
Sigma-Aldrich C120006 Cyclopropyl methyl ketone 99% 765-43-5 100g $151 2026-03-19 Buy
TCI Chemical C0985 Cyclopropyl Methyl Ketone >98.0%(GC) 765-43-5 25mL $28 2026-03-19 Buy
TCI Chemical C0985 Cyclopropyl Methyl Ketone >98.0%(GC) 765-43-5 100mL $56 2026-03-19 Buy
TCI Chemical C0985 Cyclopropyl Methyl Ketone >98.0%(GC) 765-43-5 500mL $167 2026-03-19 Buy
Product number Packaging Price Buy
C120006 25g $76.9 Buy
C120006 100g $151 Buy
C0985 25mL $28 Buy
C0985 100mL $56 Buy
C0985 500mL $167 Buy

Cyclopropyl methyl ketone Chemical Properties,Uses,Production

Chemical Properties

clear colorless to very slightly yellow liquid

Uses

Cyclopropyl methyl ketone was used in the preparation of homoallylic alcohols. Acetylcyclopropane is used as an intermediate for the manufacturing pharmaceuticals, agrochemicals and other organic compounds.

Synthesis

There are two synthetic processes for cyclopropylmethyl ketone, one of which is: γ-butyrolactone is the more common raw material, and is produced by acetylation, hydrolysis, decarboxylation, chlorination, cyclization, and fine evaporation.

Global( 488)Suppliers
Supplier Tel Email Country ProdList Advantage
Nanjing Sinoda Biological Technology Co., Ltd
+8613401983379 sales@njmcn.cn CHINA 74 58
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055 Sibel@chuanghaibio.com China 8738 58
Hebei Chuanghai Biotechnology Co,.LTD
+86-86-13131129325 +8613131129325 sales1@chuanghaibio.com China 5235 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20124 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718; +8613336195806 sales@capot.com China 29640 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 13815 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21592 55
Jiangsu Qingquan Chemical Co., Ltd.
+86-571-86589381,86589382,86589383 sales1@qqpharm.com CHINA 154 55
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29821 58
Zhejiang ZETian Fine Chemicals Co. LTD
+8618957127338 stella@zetchem.com China 2994 58

Related articles

  • What is Cyclopropyl methyl ketone?
  • Cyclopropyl methyl ketone is a molecule with two large-amplitude motions: a CH3 group rotation and an acetyl C(O)CH3 group rot....
  • Jan 16,2020

View Lastest Price from Cyclopropyl methyl ketone manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Cyclopropyl methyl ketone pictures 2026-04-20 Cyclopropyl methyl ketone
765-43-5
0.99 RongNa Biotechnology Co.,Ltd
Cyclopropyl methyl ketone pictures 2026-03-20 Cyclopropyl methyl ketone
765-43-5
US $8.90 / KG 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
Cyclopropyl methyl ketone pictures 2025-09-25 Cyclopropyl methyl ketone
765-43-5
US $8.00-0.80 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
AKOS BBS-00004282 1-CYCLOPROPYL-1-ETHANONE CYCLOPROPYL METHYL KETONE Cyclopropyl methyl ketone ,98.50% 1-Acetylcyclopropane Cyclopropyl methyl ketone ,98.5% Cyclopropyl methyl k Cyclopropylethan-1-one Cyclopropyl Mehyl Ketone Cyclopropyl methyl ketone, Acetylcyclopropane Cyclopropyl Methyl ketone, 98% 25ML Ketone, cyclopropyl Methyl (6CI,8CI) NSC 1940 Ethanoylcyclopropane, Acetylcyclopropane, Cyclopropyl methyl ketone InterMediates of Efavirenz and RilMenidine Thecyclopropyl Methyl ketone 1-cyclopropyl-ethanon Ketone, cyclopropyl methyl ketone,cyclopropylmethyl acetyl cyclopropane (Cyclopropyl Methyl Ketone) Cyclopropyl methyl ketone, 98%+ Cyclopropylmethylketone,99% Acetylcyclopropane, 1-Cyclopropylethan-1-one Cyclopropylmethylketon CYCLOPROPYL MOTHYL KETONE Cyclopropyl Methyl Ketone > NSC 2031 NSC2031 NSC-2031 ACETYLCYCLOPROPANE METHYL CYCLOPROPYL KETONE Cyclopropylethanone ACETYLTRIMETHYLENE 1-CYCLOPROPYL-ETHANONE CPMK Ethanone, 1-cyclopropyl- 765-43-5 765-43-6 765-43-4 C3H5COCH3 Building Blocks C3 to C6 Carbonyl Compounds Organic Building Blocks Ketones Simple 3-Membered Ring Compounds Cyclopropanes Simple 3-Membered Ring Compounds Cycloalkanes API intermediates Cyclopropanes Pharmaceutical Intermediates ketone Miscellaneous bc0001