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1,1,2,3,4,4-Hexachloro-1,2,3,4-tetrafluorobutane, also known as C-91 or Halon 2402, is a chlorofluorocarbon (CFC) compound with the chemical formula C4Cl6F4. It is a colorless, odorless, and non-toxic gas that was primarily used as a fire extinguishing agent in various applications, such as aircraft, computer rooms, and military equipment. Due to its effectiveness in suppressing fires without leaving any residue, it was widely used in industries where sensitive equipment was present. However, it was later discovered that Halon 2402 contributes to the depletion of the ozone layer and has a high global warming potential. As a result, its production and use have been phased out under the Montreal Protocol, an international agreement aimed at protecting the ozone layer.

375-43-9

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375-43-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 375-43-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 375-43:
(5*3)+(4*7)+(3*5)+(2*4)+(1*3)=69
69 % 10 = 9
So 375-43-9 is a valid CAS Registry Number.

375-43-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,2,3,4-tetrafluoro-1,1,2,3,4,4-hexachlorobutane

1.2 Other means of identification

Product number -
Other names hexachloro-1,2,3,4-tetrafluoro-butane

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:375-43-9 SDS

375-43-9Relevant academic research and scientific papers

Synthesis method of halogenated butene

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Paragraph 0060-0063; 0066-0068; 0073-0076; 0081-0084, (2020/05/30)

The invention discloses a synthesis method of halogenated butene. The method comprises: (1) carrying out a fluorination reaction on hexachlorobutadiene and a fluorination reagent, and purifying the obtained reaction product to obtain fluorochlorobutane; and (2) carrying out a dehalogenation reaction on the fluorochlorobutane and a dehalogenation reagent in a first solvent, and purifying the obtained reaction product to obtain the halogenated butene. The method has the advantages of simple process, less three wastes, high yield, low cost and the like.

FLUORINATION OF POLYHALOGENATED UNSATURATED COMPOUNDS WITH VANADIUM PENTAFLUORIDE

Bardin, V. V.,Avramenko, A. A.,Furin, G. G.,Krasilnikov, V. A.,Karelin, A. I.,et al.

, p. 385 - 400 (2007/10/02)

Vanadium pentafluoride reacts with polyfluorinated and polychlorinated olefins, alkadienes, cycloalkenes and cyclodienes in CFCl3 or without a solvent at -25 deg C to 100 deg C, forming products of addition of two fluorine atoms across the C=C bond.

REACTION OF POLYHALOGENATED UNSATURATED COMPOUNDS WITH VANADIUM PENTAFLUORIDE

Petrov, V. A.,Bardin, V. V.,Furin, G. G.,Avramenko, A. A.,Galakhov, M. V.,et al.

, p. 37 - 41 (2007/10/02)

Terminal polyhalogenoalkenes are fluorinated by vanadium pentafluoride at -20 to -30 deg C, whereas internal polyfluoroalkenes only react with vanadium pentafluoride when heated. 2-Chloropentafluoro-1,3-butadiene adds fluorine atoms predominantly at positions 1,4 under the influence of vanadium pentafluoride, but only the isomeric tetrafluorohexachlorobutanes are formed from perchloro-1,3-butadiene.Fluorination of perfluoroallylbenzene and perfluoro-β-methylstyrene takes place more rapidly in the side chain than in the aromatic ring.

LITHIATION OF 1,2-DIFLUORODICHLOROETHENE AND 1,4-DICHLOROPERFLUOROBUTADIENE

Kremlev, M. M.,Moklyachuk, L. I.,Fialkov, Yu. A.,Yagupol'skii, L. M.

, p. 814 - 817 (2007/10/02)

The lithiation of 1,2-dichlorodifluoroethene, 1,4-dichloroperfluorobutadiene, and 1,2-difluoro-1-chloro-2-ethoxyethene was investigated.In the dichloro derivatives of fluorinated olefins only one chlorine atom is exchanged for a lithium atom, and in the last compound the chlorine atom or the ethoxy group is exchanged.The corresponding carboxylic acids were obtained by the action of carbon dioxide on the lithium derivatives.

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