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3277-26-7 - 1,1,3,3-Tetramethyldisiloxane, 97% - B23697 - Alfa Aesar

B23697 1,1,3,3-Tetramethyldisiloxane, 97%

CAS 번호
3277-26-7
동의어

사이즈 가격 ($) 수량 재고 여부
25g 32.30
100g 97.90
500g 397.00
장바구니에 추가 대량 견적에 추가 항목 보기

1,1,3,3-Tetramethyldisiloxane, 97%

MDL
MFCD00008256
EINECS
221-906-4

화학적 특성

화학식
C4H14OSi2
화학 식량
134.33
융점
-78°
비등점
70-71°
인화점
-26°(-15°F)
밀도
0.760
굴절률
1.3700
감도
Moisture Sensitive
용해도
It reacts with water to produce dimethylsilanol, dimethylsilanediol and hydrogen gas.

용도

1,1,3,3-Tetramethyldisiloxane is used as a monomer in the production of silicone polymers or silicone resins. It is used as a precursor to prepare other organosilicon compounds. It is also utilized in non-aqueous polymer preparation as well as a laboratory reagent.

참고

Moisture sensitive. Keep away from sources of ignition. Store in cool place.

참조 문헌

Reducing agent:

In the presence of TMS chloride and either LiBr or NaI, aromatic aldehydes are reduced directly to benzyl halides: Tetrahedron Lett., 25, 1103 (1984).

With a Pd(0) catalyst, acetylenes are reduced to olefins (mainly cis): Tetrahedron Lett., 30, 4675 (1989).

Forms polymers via hydrosilylation of alkadienes and and alkynes.

In the presence of a catalytic amount of titanium isopropoxide, secondary and tertiary phosphine oxides can be reduced to the corresponding phosphines in high yield, avoiding pyrophoric reagents: Synlett, 1545 (2007).

Lykakis, I. N.; Psyllaki, A.; Stratakis, M. Oxidative Cycloaddition of 1,1,3,3-Tetramethyldisiloxane to Alkynes Catalyzed by Supported Gold Nanoparticles. J. Am. Chem. Soc. 2011, 133 (27), 10426-10429.

Stiubianu, G.; Cazacu, M.; Nicolescu, A.; Hamciuc, V.; Vlad, S. Silicone-modified cellulose. Crosslinking of the cellulose acetate with 1,1,3,3-tetramethyldisiloxane by Pt-catalyzed dehydrogenative coupling. J. Polym. Res. 2010, 17 (6), 837-845.

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H225

Highly flammable liquid and vapour.

주의 설명서: P210-P243-P403+P233

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Take precautionary measures against static discharge. Store in a well-ventilated place. Keep container tightly closed.

기타 참조

바일슈타인
1733364
위험 등급
3
포장 그룹
II
통합 관세 코드
2931.90
TSCA(독성물질규제법)"
Yes
RTECS(화학물질 독성 등록)
JN1000000

권장

  • A10153

    Diethoxymethylsilane, 96%
  • A10163

    Potassium sodium L-tartrate tetrahydrate, 99%
  • A10173

    Trifluoromethanesulfonic acid, 98+%
  • A15240

    Octamethylcyclotetrasiloxane, 98%
  • L16970

    Hexamethyldisiloxane, NMR grade, 99.7%

최근에 본 것

화학물질

화학물질

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