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4819-82-3

2-(2-Methoxyethoxy)tetrahydro-2H-pyran is a cyclic ether compound with the molecular formula C8H16O3. It is a colorless liquid with a molecular weight of 160.21 g/mol. This chemical is commonly used as a solvent and a reagent in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. It is also known for its ability to act as a protecting group in organic chemistry, shielding functional groups from unwanted reactions. The compound is characterized by its stability, low toxicity, and ease of synthesis, making it a valuable tool in the field of chemistry.

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  • 4819-82-3 Structure

  • Basic information

    1. Product Name: 2-(2-methoxyethoxy)tetrahydro-2H-pyran
    2. Synonyms: 2-(2-Methoxyethoxy)-tetrahydro-2H-pyran
    3. CAS NO:4819-82-3
    4. Molecular Formula: C8H16O3
    5. Molecular Weight: 160.2108
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 4819-82-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 215.6°C at 760 mmHg
    3. Flash Point: 69.5°C
    4. Appearance: N/A
    5. Density: 0.98g/cm3
    6. Vapor Pressure: 0.215mmHg at 25°C
    7. Refractive Index: 1.435
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 2-(2-methoxyethoxy)tetrahydro-2H-pyran(CAS DataBase Reference)
    11. NIST Chemistry Reference: 2-(2-methoxyethoxy)tetrahydro-2H-pyran(4819-82-3)
    12. EPA Substance Registry System: 2-(2-methoxyethoxy)tetrahydro-2H-pyran(4819-82-3)

  • 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: 4819-82-3(Hazardous Substances Data)

4819-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4819-82-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,1 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4819-82:
(6*4)+(5*8)+(4*1)+(3*9)+(2*8)+(1*2)=113
113 % 10 = 3
So 4819-82-3 is a valid CAS Registry Number.

4819-82-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(2-methoxyethoxy)oxane

1.2 Other means of identification

Product number -
Other names 2-<2-Methoxy-aethoxy>-tetrahydropyran

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:4819-82-3 SDS

4819-82-3Relevant articles and documents

Synthesis of sulfonic acid functionalized carbon catalyst from glycerol pitch and its application for tetrahydropyranyl protection/deprotection of alcohols and phenols

Prabhavathi Devi,Gangadhar,Siva Kumar,Shiva Shanker,Prasad,Sai Prasad

experimental part, p. 96 - 100 (2011/10/05)

A novel carbon catalyst with -SO3H, -OH and -COOH functional groups was prepared from glycerol pitch by in situ partial carbonization and sulfonation with sulfuric acid. The activity of the catalyst was investigated through tetrahydropyranylation and dehydropyranylation of a wide variety of alcohols and phenols at room temperature by changing the solvent medium from dichloromethane to methanol. Excellent yields, short reaction times, easy and quick isolation of the products and reusability of the catalyst are the main attractions of this method. The novel carbon catalyst holds great potential in the green chemical processes.

The use of basic resin in the preparation of tetrahydropyranyl derivatives of alcohols and phenols

Chaturvedi, Devdutt,Kumar, Atul,Ray

, p. 437 - 438 (2007/10/03)

A quick and efficient method for the preparation of tetrahydropyranyl (THP) derivatives of phenols and alcohols using a basic resin IRA-400 (iodide) is described.

Solvent-Free Tetrahydropyranylation of Alcohols with Sulfamic Acid as Reusable Catalyst

Wang, Bo,Yang, Li-Ming,Suo, Ji-Shuan

, p. 3929 - 3934 (2007/10/03)

An efficient H2NSO3H-catalyzed solvent-free tetrahydropyranylation of various alcohols at room temperature was investigated. The features of mild conditions, cost-efficient catalyst, simple work-up, and the recyclability of the catalyst were displayed in this article.

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