GB2014171A - Process for the manufacture of hexamethyldisilazane - Google Patents

Process for the manufacture of hexamethyldisilazane

Info

Publication number
GB2014171A
GB2014171A GB7903661A GB7903661A GB2014171A GB 2014171 A GB2014171 A GB 2014171A GB 7903661 A GB7903661 A GB 7903661A GB 7903661 A GB7903661 A GB 7903661A GB 2014171 A GB2014171 A GB 2014171A
Authority
GB
United Kingdom
Prior art keywords
hexamethyldisilazane
manufacture
reaction
trimethylchlorosilane
centrifugation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB7903661A
Other versions
GB2014171B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TH Goldschmidt AG filed Critical TH Goldschmidt AG
Priority to GB7903661A priority Critical patent/GB2014171B/en
Publication of GB2014171A publication Critical patent/GB2014171A/en
Application granted granted Critical
Publication of GB2014171B publication Critical patent/GB2014171B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)

Abstract

A process for the manufacture of hexamethyldisilazane involves reaction of trimethylchlorosilane with gaseous ammonia in the presence of hexamethyldisilazane as solvent. The solid ammonium chloride formed during the reaction is separated from the hexamethyldisilazane by centrifugation.
GB7903661A 1978-02-03 1979-02-02 Process for the manufacture of hexamethyldisilazane Expired GB2014171B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7903661A GB2014171B (en) 1978-02-03 1979-02-02 Process for the manufacture of hexamethyldisilazane

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB451678 1978-02-03
GB7903661A GB2014171B (en) 1978-02-03 1979-02-02 Process for the manufacture of hexamethyldisilazane

Publications (2)

Publication Number Publication Date
GB2014171A true GB2014171A (en) 1979-08-22
GB2014171B GB2014171B (en) 1982-09-15

Family

ID=26239194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7903661A Expired GB2014171B (en) 1978-02-03 1979-02-02 Process for the manufacture of hexamethyldisilazane

Country Status (1)

Country Link
GB (1) GB2014171B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0921127A1 (en) * 1997-12-02 1999-06-09 Wacker-Chemie GmbH Process for preparing organosilazanes
WO2011101264A1 (en) * 2010-02-18 2011-08-25 Wacker Chemie Ag Separating out particles from mixtures containing fluid silicon compounds
RU2447078C1 (en) * 2010-11-08 2012-04-10 Российская Федерация, От Имени Которой Выступает Министерство Образования И Науки Российской Федерации Method of purifying liquids, volatile alkylsiloxanes and alkylsilazanes
CN104045662A (en) * 2013-11-05 2014-09-17 张桂华 Method for recovering ammonium chloride in hexamethyldisilazane preparation process
CN104974184A (en) * 2014-04-03 2015-10-14 信越化学工业株式会社 Preparation Of Silazane Compound

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0921127A1 (en) * 1997-12-02 1999-06-09 Wacker-Chemie GmbH Process for preparing organosilazanes
US6051729A (en) * 1997-12-02 2000-04-18 Wacker-Chemie Gmbh Process for preparing organosilazanes
WO2011101264A1 (en) * 2010-02-18 2011-08-25 Wacker Chemie Ag Separating out particles from mixtures containing fluid silicon compounds
RU2447078C1 (en) * 2010-11-08 2012-04-10 Российская Федерация, От Имени Которой Выступает Министерство Образования И Науки Российской Федерации Method of purifying liquids, volatile alkylsiloxanes and alkylsilazanes
CN104045662A (en) * 2013-11-05 2014-09-17 张桂华 Method for recovering ammonium chloride in hexamethyldisilazane preparation process
CN104045662B (en) * 2013-11-05 2017-07-07 张桂华 The recovery method of ammonium chloride in a kind of HMDS preparation process
CN104974184A (en) * 2014-04-03 2015-10-14 信越化学工业株式会社 Preparation Of Silazane Compound
CN104974184B (en) * 2014-04-03 2019-12-06 信越化学工业株式会社 preparation of silazane Compounds

Also Published As

Publication number Publication date
GB2014171B (en) 1982-09-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee