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14857-34-2生产厂家

14857-34-2价格

14857-34-2

14857-34-2结构式
14857-34-2结构式

化源商城直购

中文名 二甲基乙氧基硅烷
英文名 Dimethylethoxysilane
中文别名 二甲基乙氧基一氢硅烷
英文别名 Ethoxydimethylsilane
ethoxy(dimethyl)silicon
EINECS 238-921-7
Ethoxy(dimethyl)silane
2O-SI-H1&1
MFCD00026750
Silane, ethoxydimethyl-
Dimethyl Ethoxysilane
密度 0.757
沸点 90.3±8.0 °C at 760 mmHg
分子式 C4H12OSi
分子量 104.223
闪点 8.4±18.4 °C
精确质量 104.065742
PSA 9.23000
LogP 2.73
外观性状 无色透明液体
蒸汽压 63.9±0.2 mmHg at 25°C
折射率 1.3680
储存条件

常温密闭避光,通风干燥惰性气体下

稳定性

常温常压下稳定

避免的物料:水分/潮湿 氧化物
分子结构

1、摩尔折射率:无可用的

2、摩尔体积(cm3/mol):无可用的

3、等张比容(90.2K):无可用的

4、表面张力(dyne/cm):无可用的

5、介电常数:无可用的

6、极化率(10-24cm3):无可用的

7、单一同位素质量:104.065741 Da

8、标称质量:104 Da

9、平均质量:104.223 Da

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:2

5.互变异构体数量:无

6.拓扑分子极性表面积9.2

7.重原子数量:6

8.表面电荷:0

9.复杂度:28.7

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1.性状:未确定

2.密度(g/mL,25/4℃):0.757

3.相对蒸汽密度(g/mL,空气=1):未确定

4.熔点(ºC):未确定

5.沸点(ºC,常压):55

6.沸点(ºC,5.2kPa):未确定

7.折射率:1.368

8.闪点(ºC):15

9.比旋光度(º):未确定

10.自燃点或引燃温度(ºC):未确定

11.蒸气压(kPa,25ºC):未确定

12.饱和蒸气压(kPa,60ºC):未确定

13.燃烧热(KJ/mol):未确定

14.临界温度(ºC):未确定

15.临界压力(KPa):未确定

16.油水(辛醇/水)分配系数的对数值:未确定

17.爆炸上限(%,V/V):未确定

18.爆炸下限(%,V/V):未确定

19.溶解性:未确定

毒理学数据:

急性毒性:小鼠口经 LD50 :5 gm/kg

2、亚急性毒性小鼠试验:NOAEL:>4000 ppm/4H

生态学数据:

通常对水体是稍微有害的,不要将未稀释或大量产品接触地下水,水道或污水系统,未经政府许可勿将材料排入周围环境。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VV4090000
CHEMICAL NAME :
Silane, ethoxydimethyl-
CAS REGISTRY NUMBER :
14857-34-2
BEILSTEIN REFERENCE NO. :
1731481
LAST UPDATED :
199712
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C4-H12-O-Si
MOLECULAR WEIGHT :
104.25

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - ataxia Gastrointestinal - ulceration or bleeding from stomach
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4000 ppm/4H
TOXIC EFFECTS :
Behavioral - general anesthetic Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 12,355,1992 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3000 ppm/6H/2W-I
TOXIC EFFECTS :
Endocrine - changes in thymus weight Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2000 ppm/6H/13W-I
TOXIC EFFECTS :
Liver - other changes Endocrine - changes in thymus weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
DOSE :
2000 ppm/6H
SEX/DURATION :
male 13 week(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
REFERENCE :
INHTE5 Inhalation Toxicology. (Hemisphere Publishing Corp., c/o Taylor & Francis Inc., 1900 Frost Rd., Suite 101, Bristol, PA 19007) V.1- 1989- Volume(issue)/page/year: 6,151,1994 *** REVIEWS *** ACGIH TLV-STEL 6.4 mg/m3 (1.5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 2.1 mg/m3 (0.5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997

危害码 (欧洲) F
风险声明 (欧洲) R11;R36/37/38
安全声明 (欧洲) S16-S33-S36/37/39-S9
危险品运输编码 1993
RTECS号 VV4090000
包装等级 II
危险类别 3
海关编码 2931900090
海关编码 2931900090
中文概述 2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0%
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%