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메틸 수소 폴리실록산

메틸 수소 폴리실록산
메틸 수소 폴리실록산 구조식 이미지
카스 번호:
63148-57-2
한글명:
메틸 수소 폴리실록산
동의어(한글):
메틸수소폴리실록산;메틸수소폴리실록산(METHYLHYDROGENPOLYSILOXANE);메티콘
상품명:
Poly(methylhydrosiloxane)
동의어(영문):
Hydrosilicone oil;VISCOSITY 85 CST.;Methyl H polysiloxane;Hydrogen silicone oil;Polymethyldrosiloxane;Methylhydro-siliconeoil;Poly(methylhydrosiloxane);Methyl Hydrogen Silicone Oil;DK-H202 methyl silicone oil;Methyl Hydrogen Silicone Fluid
CBNumber:
CB0694968
분자식:
C7H22O2Si3
포뮬러 무게:
222.5
MOL 파일:
63148-57-2.mol

메틸 수소 폴리실록산 속성

녹는점
<-60°C
끓는 점
142 °C(lit.)
밀도
1.006 g/mL at 25 °C(lit.)
증기압
38 hPa (20 °C)
굴절률
n20/D 1.382(lit.)
인화점
82 °F
저장 조건
Store below +30°C.
수소이온지수(pH)
7 (H2O)
수용성
Not miscible or difficult to mix in water.
CAS 데이터베이스
63148-57-2
EPA
Siloxanes and Silicones, Me hydrogen(63148-57-2)

안전

위험품 표기 Xi
위험 카페고리 넘버 10-36/37/38
안전지침서 26-36-24/25-23-16
유엔번호(UN No.) UN 1993 3/PG 2
WGK 독일 3
F 고인화성물질 10-21
TSCA Yes
HS 번호 39100000

메틸 수소 폴리실록산 C화학적 특성, 용도, 생산

개요

Poly(methylhydrosiloxane) is a reducing agent. For example, it can be used for the reduction of esters to alcohols as well as the reduction of aldehydes and ketone. It can also be used for the reduction of phosphine oxides to phosphine. Recent study has also used it for conjugate reduction of α, β-Unsaturated Carbonyl and Carboxyl Compounds. Finally, it is also used in greener amine synthesis mediated by reductive amination which is an alternative to borohydrides.

화학적 성질

Colorless liquid

용도

Polymethylhydrosiloxane(PMHS) is an easily handled,inexpensive,non-toxic,and mild reducing agent. PMHS is attractive as a substitute for more expensive or hazardous silanes or siloxanes and as the stoichiometric reductant in catalytic organotin-mediated processes. It can be cross linked by metal catalyst at low temperature to form waterproof membrane. It is used as waterproof agent of textile, glass, pottery, paper, leather, metal, cement and marble etc, especially in textile waterproof. It is used as insulator and cross linker of paper. Poly(methylhydrosiloxane) is used in the reduction of esters to alcohols, catalyzed by a combination of titanocene dichloride and either n-BuLi or EtMgBr. It is a safer alternative to triethoxysilane, B22063, for reduction of phosphine oxides to phosphines, catalyzed by Ti(O-i-Pr)4. It is also used in greener amine synthesis by reductive amination as an alternative to borohydrides.

참고 문헌

https://www.alfa.com/en/catalog/L14561/
http://www.sigmaaldrich.com/catalog/product/aldrich/176206? lang=en®ion=US
Wang, Zhigang, A. E. W. ‡. And, and J. G. Verkade. "P (MeNCH2CH2)3N:  An Efficient Promoter for the Reduction of Aldehydes and Ketones with Poly (methylhydrosiloxane)." Cheminform 31.7(2000):no-no.
Dfj, Hamstra, et al. "Poly (methylhydrosiloxane) as a green reducing agent in organophosphorus-catalysed amide bond formation." Organic & Biomolecular Chemistry 15.30 (2017).
Kawamorita, Soichiro, et al. "Conjugate Reduction of α, β- Unsaturated Carbonyl and Carboxyl Compounds with Poly (methylhydrosiloxane) Catalyzed by a Silica-Supported Compact Phosphane–Copper Complex."Advanced Synthesis & Catalysis 354.18 (2012):3440-3444.

메틸 수소 폴리실록산 준비 용품 및 원자재

원자재

준비 용품


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