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1,1,3,3-Tetramethyldisiloxane 1,1,3,3-四甲基二硅氧烷

规格: 98%

CAS: 3277-26-7

产品编号: H49700

MDL: MFCD00008256

品牌: INFI

Chemical Name	1,1,3,3-Tetramethyldisiloxane
MDL Number	MFCD00008256
CAS Number	3277-26-7
PubChem Substance ID	6327482
EC Number	221-906-4
Beilstein Registry Number	1733364
Synonym	1,1,3,3四甲基二硅氧烷 Bis(dimethylsilyl) ether 四甲基二氢二硅氧烷
Reaxys-RN	1733364
Chemical Name Translation	1,1,3,3-四甲基二硅氧烷
InChIKey	NVYQDQZEMGUESH-UHFFFAOYSA-N
LabNetwork Molecule ID	LN01378004
InChI	InChI=1S/C4H12OSi2/c1-6(2)5-7(3)4/h1-4H3

GHS Symbol

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1221,1986

TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 gm/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,1221,1986

WGK Germany	2
Hazard statements
H225 Highly flammable liquid and vapour 高度易燃液体和蒸气 H315 Causes skin irritation 会刺激皮肤 H319 Causes serious eye irritation 严重刺激眼睛 H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
RTECS	JN1000000
Precautionary statements
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。 P233 Keep container tightly closed. ?保持容器密闭。 P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。 P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. 使用防爆电气/通风/照明/ .../设备。 P242 Use only non-sparking tools. 只能使用无火花工具。 P243 Take precautionary measures against static discharge. 采取预防措施，防止静电放电。 P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。 P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。 P264+P265 P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。 P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。 P302+P352 P302+P352+P332+P313+P362+P364 P303+P361+P353 P304+P340 P305+P351+P338 P305+P351+P338+P337+P313 P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适，呼叫解毒中心或医生/医师。 P319 P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。 P332+P313 P332+P317 P337+P313 P337+P317 P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用 P362+P364 P370+P378 P403+P233 P403+P235 P405 Store locked up. 上锁保管。 P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word	Danger
Packing Group	II
UN Number	1993
Risk Statements
R11 Highly flammable 非常易燃 R16 Explosive when mixed with oxidising substances 与氧化物质混合会爆炸 R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Safety Statements
S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
Storage condition	Moisture Sensitive 2-8°C 储存温度2-8℃，充氩保存
Hazard Codes	3 F
Hazard Class	3
Restrict	-

一种氢封端的二硅氧烷，能和不饱和烯烃发生加成反应，因此广泛用来制备氢封端的聚硅氧烷，用作硅橡胶的扩链剂或交联剂；或用于合成各种具有反应活性官能团封端的硅氧烷聚合物，用作有机聚合物的有机硅共聚改性。还可用作有机合成中的还原剂。

{ALD} Beilstein:4(4)3991

{ALF} Forms polymers via hydrosilylation of alkadienes and and alkynes.

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

{ALF} 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).

{ALF} Reducing agent:

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

3277-26-7 H49700 1,1,3,3-Tetramethyldisiloxane
1,1,3,3-四甲基二硅氧烷

化学属性

Mol. Formula	C4H14OSi2
Mol. Weight	134
Refractive index	1.3690 to 1.3710
Boiling Point	70-71
Density	0.76
Flash Point	-26°C
TSCA	Yes
Melting Point	-78°
Appearance	colorless liq.
Solubility	DECOMPOSES
Stability	对湿度敏感
Danger-Level	甲类
pH	-:-
Redox	-

*以上化合物性质及应用等信息仅供参考

电子化学品

催化剂

配体

有机硅

元素分类

其他精细新材料

1,1,3,3-Tetramethyldisiloxane 1,1,3,3-四甲基二硅氧烷

规格: 98%

化学属性

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