β,β-双(三甲基甲硅烷氧基)苯乙烯

β,β-双(三甲基甲硅烷氧基)苯乙烯 基本信息
CAS号 31491-21-1 分子式 C14H24O2Si2
分子量 280.51000 精确质量  280.13100
PSA  18.46000 LogP  4.68800

基本信息 展开↓

CAS号:
31491-21-1
3D弹球模型:
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分子式:
C14H24O2Si2
分子量:
280.51000
中文名称:
β,β-双(三甲基甲硅烷氧基)苯乙烯
英文名称:
β,β-Bis(trimethylsilyloxy)styrene
中文别名:
β,β-双(三甲基甲硅烷氧基)苯乙烯;
Β,Β-双(三甲基甲硅烷氧基)苯乙烯
英文别名:
β,β-Bis(trimethylsilyloxy)styrene;
3,5-Dioxa-2,6-disilaheptane,2,2,6,6-tetramethyl-4-(phenylmethylene)-;
3,5-Dioxa-2,6-disilaheptane,4-benzylidene-2,2,6,6-tetramethyl- (8CI);
(2,2-Bis((trimethylsilyl)oxy)vinyl)benzene
精确分子量/精确质量:
280.13100
极性分子表面积/PSA:
18.46000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
InChI:
The Key: HMHSNGLUZWVXQY-UHFFFAOYSA-N

物化性质展开↓

沸点:
85ºC (20 mmHg)
存储条件/存储方法:

 

密闭于0-6 ºC阴凉干燥环境中

稳定性相关:

 

遵照规定使用和储存则不会分解。

其它信息:

1.       性状:无可用

2.       密度(g/mL,25/4):无可用

3.       相对蒸汽密度(g/mL,空气=1):无可用

4.       熔点(ºC):无可

5.       沸点(ºC,常压):85/20 mmHg

6.       沸点(ºC,5.2kPa):无可用

7.       折射率:无可用

8.       闪点(ºC):无可用

9.       比旋光度(º):无可用

10.    自燃点或引燃温度(ºC):无可用

11.    蒸气压(kPa,25ºC):无可用

12.    饱和蒸气压(kPa,60ºC):无可用

13.    燃烧热(KJ/mol):无可用

14.    临界温度(ºC):无可用

15.    临界压力(KPa):无可用

16.    油水(辛醇/水)分配系数的对数值:无可用

17.    爆炸上限(%,V/V):无可用

18.    爆炸下限(%,V/V):无可用

19.    溶解性:无可用

安全信息展开↓

海关代码:
2931900090
安全说明:
S24/25
安全标志:
S24/25:防止皮肤和眼睛接触。

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毒理性展开↓

生态数据:

 

该物质对环境可能有危害,对水体应给予特别注意。

MSDS 展开↓

Name: BETA BETA-BIS(TRIMETHYLSILYLOXY)-STYRENE Material Safety Data Sheet
Synonym:
CAS: 31491-21-1
Section 1 - Chemical Product   MSDS Name:BETA BETA-BIS(TRIMETHYLSILYLOXY)-STYRENE Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
31491-21-1 BETA,BETA-BIS(TRIMETHYLSILYLOXY)-STYRE unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

Section 7 - HANDLING and STORAGE
  Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a tightly closed container. Keep refrigerated. (Store below 4C/39F.)

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 31491-21-1: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 85 deg C @ 20.00mm
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight: 280.51

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 31491-21-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
BETA,BETA-BIS(TRIMETHYLSILYLOXY)-STYRENE - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 31491-21-1: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 31491-21-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 31491-21-1 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

海关数据查看详细

中国海关编码:2931900090

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%
摘要/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%

分子结构与计算化学数据展开↓

分子结构数据


1   摩尔折射率:86.07

2   摩尔体积m3/mol296.9

3   等张比容(90.2K):662.9

4   表面张力dyne/cm24.8

5   极化率10-24cm334.12

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