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Spiro[2.2]pentene, also known as spiropentane, is a cyclic hydrocarbon with the molecular formula C5H6. It features a unique structure where two cyclopropane rings are connected through a common carbon atom, forming a spiro junction. This molecule is of interest in organic chemistry due to its strained ring system and potential applications in the synthesis of more complex molecules. Spiro[2.2]pentene is a highly reactive compound, which can undergo various chemical reactions, such as Diels-Alder cycloadditions, making it a valuable building block in organic synthesis. Its strained nature also makes it a subject of study for understanding the properties of small-ring compounds and their potential applications in materials science and pharmaceuticals.

661-39-2

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Basic information
1. Product Name: Spiro[2.2]pentene
2. Synonyms:
3. CAS NO:661-39-2
4. Molecular Formula: C5H6
5. Molecular Weight: 66.1026
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Spiro[2.2]pentene(CAS DataBase Reference)
10. NIST Chemistry Reference: Spiro[2.2]pentene(661-39-2)
11. EPA Substance Registry System: Spiro[2.2]pentene(661-39-2)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 661-39-2(Hazardous Substances Data)

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661-39-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 661-39-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 661-39:
(5*6)+(4*6)+(3*1)+(2*3)+(1*9)=72
72 % 10 = 2
So 661-39-2 is a valid CAS Registry Number.

661-39-2SDS

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	spiro[2.2]pent-1-ene

1.2 Other means of identification

Product number	-
Other names	spiropentene

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:661-39-2 SDS

661-39-2Upstream product

75522-03-1 spiropentyl bromide

661-39-2Downstream Products

661-39-2Relevant academic research and scientific papers

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