CAS 681-84-5 MFCD00008341-Tetramethyl orthosilicate 正硅酸甲酯 TAO{mole}

Tetramethyl orthosilicate 正硅酸甲酯

CAS 681-84-5 MFCD00008341

化学结构图

SMILES: CO[Si](OC)(OC)OC

化学属性

Mol. Formula	C4H12O4Si
Mol. Weight	152.22
Refractive index	1.3670 to 1.3700
Boiling Point	122°C
Density	1.023
Melting Point	-2°C
Flash Point	29°C(lit.)
TSCA	Yes
Vapor Density	5.25 (vs air)
Vapor Pressure	3.35 psi ( 20 °C)
Solubility	水解
Stability	对湿度敏感
Appearance	colorless liq.

别名和识别编码

Chemical Name	Tetramethyl orthosilicate
Synonym	Dynasil M KBM 04 MSP 150 Methyl Silicate 39 Methyl orthosilicate Methyl silicate ((MeO)4Si) Orthokieselsäuretetramethylester SILICON TETRAMETHOXIDE Silicic acid (H4SiO4), tetramethyl ester Silicic acid, methyl ester of ortho- Silicic acid, methyl ester of ortho- Silicic acid, tetramethyl ester Silicon methoxide (Si(OMe)4) TETRAMETHOXYSILANE TL 190 TMOS Tetramethoxy silane Tetramethoxysilane Tetramethyl Orthosilicate {Chemicalbook} methylsilicate[(meo)4si] silicic acid tetramethyl ester silicicacid(h4sio4),tetramethylester {} {Chemicalbook} methylorthosilicate {} {} {uni_hamburg} Tetramethylorthosilikat {} {} {} {Chemicalbook {} {} {} {un
CAS Number	681-84-5
PubChem Substance ID	87576485
EC Number	211-656-4
Beilstein Registry Number	1,287
MDL Number	MFCD00008341
Reaxys-RN	1699658
Chemical Name Translation	正硅酸甲酯
Wiswesser Line Notation	1O-SI-O1&O1&O1
LabNetwork Molecule ID	LN00193983
InChI	InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3

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产品应用

合成其他硅烷产品，用于生产耐热涂料、耐化学作用的涂料、有机硅溶剂和精密铸造用粘合剂等，在有机硅粘合剂和密封胶中作交联组份。

安全信息

GHS Symbol

WGK Germany3

Hazard Codes T+ 6.1

Hazard statements

H226 Flammable liquid and vapour 易燃液体和蒸气
H315 Causes skin irritation 会刺激皮肤
H330 Fatal if inhaled 吸入致命
H318 Causes serious eye damage 严重伤害眼睛
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

RTECSVV9800000

Precautionary statements

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
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。
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P305+P351+P338
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。
P304+P340+P310
P501 Dispose of contents/container to..… 处理内容物/容器.....
P302+P352+P332+P313+P362+P364
P305+P351+P338+P310
P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P303+P361+P353
P284 Wear respiratory protection.? 佩戴呼吸保护装置。
P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
P370+P378
P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. 使用防爆电气/通风/照明/ .../设备。
P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P332+P313
P233 Keep container tightly closed. ?保持容器密闭。
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。
P308+P311

Signal word Danger Warning

UN Number UN 2606 6.1/PG 1 UN2606 2606

Risk Statements

R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
R26 Very toxic by inhalation 吸入极毒
R41 Risk of serious damage to eyes 有严重损伤眼睛的危险
R37/38 Irritating to respiratory system and skin 对呼吸系统和皮肤有刺激性
R10 Flammable 易燃

Safety Statements

S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后，立即用大量…（由生产厂家指定）冲洗；
S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；

Storage condition 200.0 Flammables area Moisture Sensitive 密封阴凉干燥保存。对湿度敏感阴凉干燥保存。

Packing GroupI

Hazard Class6.1/3

Warnings 危化品目录(2015)

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, US

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 39(4),86,1974

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - acute pulmonary edema
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   30ZNA5 "Dangerous Properties of Industrial Materials," Sax, N.I., New York,
   Van Nostrand Reinhold, 1980  Volume(issue)/page/year: 3,935,1968

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 700 mg/kg
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   30ZNA5 "Dangerous Properties of Industrial Materials," Sax, N.I., New York,
   Van Nostrand Reinhold, 1980  Volume(issue)/page/year: 3,935,1968

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE

Restrict 危险品

其他信息

下游产品:硼酸三甲酯
用途一:用于生产耐热、耐化学作用的涂料，有机硅溶剂和精密铸造用粘合剂等，也是用途较广的有机合成中间体
Acros Organics:四甲氧基硅烷 Tetramethyl orthosilicate, 99%(681-84-5)
上游原料:四氯化硅
外观性质:无色液体，有特殊气味，易潮解。
可燃性危险特性:与氧化剂反应
检测方法:GC,NMR
类别:有毒物品
有特殊气体。有水分存在时不稳定，在空气中能逐渐分解出氧化硅。能与有机溶剂任意混溶，不溶于水。易燃。有毒。有腐蚀性。
用途二:用作电子工业的绝缘材料、光学玻璃处理剂及凝结剂
蒸气压:3.35 psi ( 20 °C)
Alfa Aesar:四甲氧基硅烷,98% Tetramethoxysilane, 98%(681-84-5)
急性毒性:口服-大鼠 LDL0: 700 毫克/公斤;腹腔-小鼠 LD50: 250 毫克/公斤
F:10-21
TSCA:Yes
用途三:合成其他硅烷产品，用于生产耐热涂料、耐化学作用的涂料、有机硅溶剂和精密铸造用粘合剂等，在有机硅粘合剂和密封胶中作交联组份。
存储注意事项:湿度敏感;氮气保护
TCI Shanghai:原硅酸四甲酯 Tetramethyl Orthosilicate,>;98.0%(GC)(681-84-5)
蒸气密度:5.25 (vs air)
职业标准:TWA 30 毫克/立方米; STEL 60 毫克/立方米
储运特性:库房通风低温干燥; 与氧化剂、食品添加剂分开存放
海关编码:29209085
刺激数据:眼睛-兔子250 微克重度
灭火剂:干粉、泡沫、二氧化碳、砂土。
毒性分级:高毒
MSDS 信息:正硅酸甲酯(681-84-5).msds
Sigma Aldrich:681-84-5(sigmaaldrich)
MOL 文件:681-84-5.mol
图谱信息:正硅酸甲酯(681-84-5)核磁图( 13 CNMR) 正硅酸甲酯(681-84-5)红外图谱(IR1) 正硅酸甲酯(681-84-5)质谱(MS)
敏感性:Moisture Sensitive
正硅酸甲酯价格(试剂级):更新日期产品编号产品名称包装价格 2011/08/23 xw010043 四甲氧基硅烷;硅酸四甲酯;正硅酸甲酯 100g 280元 2011/04/16 T0588 原硅酸四甲酯 Tetramethyl Orthosilicate 25G 239元 2011/04/16 T0588 原硅酸四甲酯 Tetramethyl Orthosilicate 500G 1280元