前往化源商城

品牌现货直购
供应商:我要出现这里





查看所有供应商和价格请点击:

91983-26-5生产厂家

91983-26-5价格

91983-26-5

91983-26-5结构式
91983-26-5结构式

化源商城直购

中文名 4-氰甲基苯硼酸
英文名 4-(Cyanomethyl)benzeneboronic acid
中文别名 4-(氰基甲基)苯硼酸
英文别名 [4-(Cyanomethyl)phenyl]boronic acid
Boronic acid, B-[4-(cyanomethyl)phenyl]-
MFCD01632200
密度 1.2±0.1 g/cm3
沸点 375.7±44.0 °C at 760 mmHg
熔点 138-142°C
分子式 C8H8BNO2
分子量 160.966
闪点 181.0±28.4 °C
精确质量 161.064804
PSA 64.25000
LogP 0.82
外观性状 固体;White to Light yellow powder to crystal
蒸汽压 0.0±0.9 mmHg at 25°C
折射率 1.549
储存条件

密闭,阴凉,干燥处

稳定性

按规定使用和贮存的不会分解,避氧化物

水溶解性 可溶于:甲醇
分子结构

分子性质数据:

1、 摩尔折射率:42.48

2、 摩尔体积(m3/mol):133.5

3 、 等张比容 (90.2K): 359.4

4、 表面张力(3.0 dyne/cm):52.4

5、 极化率(0.5 10 -24cm 3):16.84

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:2

3.氢键受体数量:3

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64.2

7.重原子数量:12

8.表面电荷:0

9.复杂度:179

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:灰黄色至浅棕色晶体粉末

2. 密度(g/mL25 ºC):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):196-200

5. 沸点(ºC,常压):未确定

6. 沸点(ºC,0.1mmHg):未确定

7. 折射率:未确定

8. 闪点(ºC,0.1mmHg):未确定

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,):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(正辛醇/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:不能溶解于水

Material Safety Data Sheet

Section1. Identification of the substance
Product Name: 4-Cyanomethylphenylboronic acid
Synonyms:(4-Boronophenyl)acetonitrile

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H302:Harmful if swallowed
H315:Causes skin irritation
H319:Causes serious eye irritation
H335:May cause respiratory irritation
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing

Section3. Composition/information on ingredients.
Ingredient name:4-Cyanomethylphenylboronic acid
CAS number:91983-26-5

Section4. First aid measures
Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
Eye contact:
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels, refrigerated.

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Appearance:Not specified
No data
Boiling point:
Melting point:No data
Flash point:No data
Density:No data
Molecular formula: C8H8BNO2
Molecular weight: 161.0

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

生态学数据:

对水是稍微危害的,若无政府许可,勿将材料排入周围环境

危害码 (欧洲) Xi: Irritant;
风险声明 (欧洲) R20/22;R36/37/38
安全声明 (欧洲) S26-S36/37/39
危险品运输编码 3439
包装等级 III
危险类别 6.1
海关编码 2931900090

~98%

91983-26-5结构式

91983-26-5

文献:Davison, Joshua Zwick; Jones, Winton Dennis; Zarrinmayeh, Hamideh; Zimmerman, Dennis Michael Patent: US2003/225266 A1, 2003 ; Location in patent: Page 23 ;

~%

91983-26-5结构式

91983-26-5

文献:Tetrahedron, , vol. 19, p. 821 - 826
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%