METHYLENECYCLOPENTANE

METHYLENECYCLOPENTANE Basic information

Product Name:	METHYLENECYCLOPENTANE
Synonyms:	METHYLENECYCLOPENTANE;METHYLENCYCLOPENTANE;methylene-cyclopentan;methylidenecyclopentane;Methylenecyclopentane>;Cyclopentane, methylene-;METHYLENECYCLOPENTANE ISO 9001：2015 REACH;SKL194
CAS:	1528-30-9
MF:	C6H10
MW:	82.14
EINECS:	216-203-4
Product Categories:	Acyclic;Alkenes;Organic Building Blocks
Mol File:	1528-30-9.mol

METHYLENECYCLOPENTANE Chemical Properties

Boiling point	75-76 °C(lit.)
density	0.781 g/mL at 25 °C(lit.)
refractive index	n20/D 1.435(lit.)
Fp	-18 °C
storage temp.	2-8°C
form	clear liquid
color	Colorless to Almost colorless
EPA Substance Registry System	Cyclopentane, methylene- (1528-30-9)

Safety Information

Hazard Codes	F,Xn
Risk Statements	11-65
Safety Statements	16-62
RIDADR	UN 3295 3/PG 2
WGK Germany	3
HS Code	2902.19.0050
HazardClass	3.1
PackingGroup	I

MSDS Information

Provider	Language
SigmaAldrich	English

METHYLENECYCLOPENTANE Usage And Synthesis

Uses	Methylenecyclopentane has been used in total synthesis of (±)-cephalotaxin.
General Description	Hydration rate of methylenecyclopentane has been measured spectrophotometrically in aqueous perchloric acid. Trost′s palladium-mediated methylenecyclopentane annelation to the nitroalkene yields methylenecyclopentane derivative.

METHYLENECYCLOPENTANE Preparation Products And Raw materials

Raw materials	1-Acetoxymethylcyclopentane-->5-Methylenespiro[2.4]heptane-->METHYLENECYCLOPROPANE; >98%DISCONTINUED-->1-oxaspiro[2.4]heptane-->CYCLOPENTYLMAGNESIUM CHLORIDE-->ETHYLCYCLOPENTANE-->1,5-HEXADIENE-->Dichloromethane-->ETHYLENE-->Methyltriphenylphosphonium iodide-->Cyclopentanone
Preparation Products	2,2-PENTAMETHYLENE-1,3-DIOXOLANE-->2,4-HEXADIENE-->1,4-HEXADIENE-->CYCLOPENTYLACETIC ACID

2,5-DIBENZYLIDENECYCLOPENTANONE Isolongifolene HELVOLIC ACID FROM CEPHALOSPORIUM*CAERULENS 1,2,3,3a,4,5,6,8a-octahydro-2-isopropylidene-4,8-dimethylazulen-6-yl acetate 16-METHYLENE-17ALPHA-HYDROXYPREGNENOLONE 3-ACETATE APOCHOLIC ACID Melengestrol acetate SANTALYL ACETATE Comphene (+)-SABINENE, TERPENE STANDARD (S)-(+)-2,3,7,7A-TETRAHYDRO-7A-METHYL-1H-INDENE-1,5(6H)-DIONE CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER METHYLENECYCLOPENTANE 2-CYCLOPENTYLIDENECYCLOPENTANONE DIETHYL TRANS-4-METHYLENE-1,2-CYCLOPENTANEDICARBOXYLATE (+)-CAMPHENE ERBIUM TRIS[3-(TRIFLUOROMETHYLHYDROXYMETHYLENE)-(+)-CAMPHORATE] ETHYLIDENECYCLOPENTANE

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