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Cyclopropylidene, also known as cyclopropenyliden or methylenecyclopropene, is a highly reactive and strained organic compound with the molecular formula C3H2. It features a three-membered cyclopropane ring with a double bond between two of the carbon atoms, resulting in a unique structure that places significant strain on the molecule. This strain arises from the bond angles being significantly smaller than the ideal tetrahedral angle, making cyclopropylidene highly reactive and prone to undergo various chemical reactions, such as Diels-Alder reactions and electrophilic addition reactions. Due to its instability and reactivity, cyclopropylidene is not typically isolated in its pure form but is often generated in situ and used as a reactive intermediate in organic synthesis.

2143-70-6

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2143-70-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2143-70-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,4 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2143-70:
(6*2)+(5*1)+(4*4)+(3*3)+(2*7)+(1*0)=56
56 % 10 = 6
So 2143-70-6 is a valid CAS Registry Number.

2143-70-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name cyclopropane-1,1-diyl

1.2 Other means of identification

Product number -
Other names ethylene carbon

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2143-70-6 SDS

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