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Furan, 3,4-dichloro-2,2,5,5-tetrafluoro-2,5-dihydro-, also known as 3,4-dichloro-2,2,5,5-tetrafluoro-2,5-dihydrofuran, is a halogenated furan derivative with the chemical formula C4Cl2F4O. Furan, 3,4-dichloro-2,2,5,5-tetrafluoro-2,5-dihydro- features a furan ring with two chlorine atoms at the 3 and 4 positions, and four fluorine atoms at the 2, 2, 5, and 5 positions. It is a colorless liquid with a molecular weight of 220.93 g/mol. This chemical is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive nature and potential toxicity, it is essential to handle Furan, 3,4-dichloro-2,2,5,5-tetrafluoro-2,5-dihydro- with proper safety measures and in accordance with relevant regulations.

358-00-9

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358-00-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 358-00-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,5 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 358-00:
(5*3)+(4*5)+(3*8)+(2*0)+(1*0)=59
59 % 10 = 9
So 358-00-9 is a valid CAS Registry Number.

358-00-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3,4-dichloro-2,2,5,5-tetrafluoro-2,5-dihydrofuran

1.2 Other means of identification

Product number -
Other names 1-Oxa-2,2,4,4-tetrafluor-3,3-dichlor-penten

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:358-00-9 SDS

358-00-9Downstream Products

358-00-9Relevant academic research and scientific papers

PREPARATION OF SOME HIGHLY HALOGENATED DERIVATIVES OF FURAN

Dmowski, W.,Voellnagel-Neugebauer, H.

, p. 223 - 242 (1981)

Direct chlorination of 2-(2H-hexafluoropropyl)-tetrahydrofuran 1 gave high yield of 2-(2-chlorohexafluoropropyl)-pentachloro-2,5-dihydrofuran 2.Bromination of 1 gave very complex mixture of products, from which three compounds, viz. 2-bromo-5-(2H-hexafluoropropyl)-furan 3, 3-bromo-5-(2Hhexafluoropropyl)-furan 4, and 2,4-dibromo-5-(2H-hexafluoropropyl)-furan 5 were isolated.Exchange fluorination of 2 with dry KF at 240 - 300 deg led to a stepwise substitution of fluorines for chlorines to give mixtures of chloro-fluoro-2-(2-chlorohexafluoropropyl)-dihydrofurans 7,8,9 and 10 together with small amounts of 2-(2-chlorohexafluoropropyl)-3,4,5-trichlorofuran 6.Exchange fluorination of 3,4-dihalo-2,2,5,5-tetrafluoro-2,5-dihydrofurans 11a and 11b led to a substitution of fluorine for one vinylic halogen to give 3-halo-2,2,4,5,5-pentafluoro-2,5-dihydrofurans 12a and 12b in good yields.Compounds 2 - 12 were characterized by n.m.r., m.s., and i.r. spectroscopy and elemental analysis.

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