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Oxirane, 2-ethynyl-2-methyl-, also known as 2-ethynyl-2-methyloxirane or 2-methyl-2-ethynyloxirane, is an organic compound with the chemical formula C5H6O. It is a cyclic ether containing a three-membered ring (oxirane) and a triple bond (ethynyl). This molecule is characterized by its unique structure, which features a methyl group (CH3) attached to the oxirane ring and an ethynyl group (C≡CH) connected to the same carbon atom. Due to its reactive nature, 2-ethynyl-2-methyloxirane can undergo various chemical reactions, such as ring-opening polymerization and addition reactions, making it a potentially useful building block in the synthesis of more complex organic compounds.

4090-48-6

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Basic information
1. Product Name: Oxirane, 2-ethynyl-2-methyl-
2. Synonyms:
3. CAS NO:4090-48-6
4. Molecular Formula: C5H6O
5. Molecular Weight: 82.102
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4090-48-6.mol
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: Oxirane, 2-ethynyl-2-methyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Oxirane, 2-ethynyl-2-methyl-(4090-48-6)
11. EPA Substance Registry System: Oxirane, 2-ethynyl-2-methyl-(4090-48-6)
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: 4090-48-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4090-48-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,9 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4090-48:
(6*4)+(5*0)+(4*9)+(3*0)+(2*4)+(1*8)=76
76 % 10 = 6
So 4090-48-6 is a valid CAS Registry Number.

4090-48-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-ethynyl-2-methyloxirane

1.2 Other means of identification

Product number	-
Other names	2-Ethinyl-propylenoxid

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:4090-48-6 SDS

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