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480424-70-2生产厂家

480424-70-2价格

480424-70-2

480424-70-2结构式
480424-70-2结构式

化源商城直购

中文名 醋酸-4-(4,4,5,5-四甲基-1,3,2-二氧杂硼烷-2-基)苯酯
英文名 [4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl] acetate
中文别名 乙酸4-(4,4,5,5-四甲基-1,3,2-二氧硼戊环-2-基)苯酯
2-(4-乙酸基苯基)-4,4,5,5-四甲基-1,3,2-二氧环戊硼烷
4-乙酰氧基苯基硼酸频呐醇酯
4-乙酰氧基苯硼酸频哪醇酯
4-乙酸基苯基硼酸频那醇酯
英文别名 Phenol, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, acetate
2-(4-Acetoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
MFCD03453060
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl acetate
4-Acetoxyphenylboronic Acid Pinacol Ester
o-AcOC6H4Bpin
4-Acetoxyphenylboronic acid,pinacol ester
BM048
密度 1.1±0.1 g/cm3
沸点 351.9±25.0 °C at 760 mmHg
熔点 67-71ºC(lit.)
分子式 C14H19BO4
分子量 262.109
闪点 166.6±23.2 °C
精确质量 262.137634
PSA 44.76000
LogP 1.91110
外观性状 Powder | white to yellow
蒸汽压 0.0±0.8 mmHg at 25°C
折射率 1.498
储存条件

冷藏、密闭、干燥处、惰性气体的环境中

稳定性

常温常压下稳定

避氧化物、水分、卤素、矿物酸
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:4

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积44.8

7.重原子数量:19

8.表面电荷:0

9.复杂度:329

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:固体

2. 密度(g/mL20 ºC):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):67-71

5. 沸点(ºC,常压):未确定

6. 沸点(ºC0.35mmHg):未确定

7. 折射率:未确定

8. 闪点(º F):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(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


Section1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name: 4-Acetoxyphenylboronic acid pinacol ester
CAS-No.: 480424-70-2
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



Section2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
The product does not need to be labelled in accordance with EC directives or respective national laws.
Other hazards - none

Section3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Synonyms: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl acetate
Formula: C14H19BO4
Molecular Weight: 262,11 g/mol

Section4. FIRST AID MEASURES
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
Most important symptoms and effects, both acute and delayed
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Indication of any immediate medical attention and special treatment needed
no data available

Section5. FIREFIGHTING MEASURES
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Borane/boron oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

Section6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing vapors, mist or gas.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

Section7. HANDLING AND STORAGE
Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Store under inert gas. Moisture sensitive.
Specific end uses
no data available

Section8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
General industrial hygiene practice.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Section9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) AppearanceForm: solid
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezingMelting point/range: 67 - 71 °C - lit.
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evaporation rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- no data available
octanol/water
p) Autoignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

Section10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
Avoid moisture.
Incompatible materials
Strong oxidizing agents, Halogens, Mineral acids
Hazardous decomposition products
Other decomposition products - no data available

Section11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
InhalationMay be harmful if inhaled. May cause respiratory tract irritation.
IngestionMay be harmful if swallowed.
SkinMay be harmful if absorbed through skin. May cause skin irritation.
EyesMay cause eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Additional Information
RTECS: Not available

Section12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
no data available
Other adverse effects
no data available

Section13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

Section14. TRANSPORT INFORMATION
UN number
ADR/RID: -IMDG: -IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Not dangerous goods
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: -
Packaging group
ADR/RID: -IMDG: -IATA: -
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
危害码 (欧洲) Xi
风险声明 (欧洲) 36/37/38
安全声明 (欧洲) 26-36
WGK德国 3
海关编码 2934999090

~74%

480424-70-2结构式

480424-70-2

文献:Mo, Fanyang; Jiang, Yubo; Qiu, Di; Zhang, Yan; Wang, Jianbo Angewandte Chemie - International Edition, 2010 , vol. 49, # 10 p. 1846 - 1849

~%

详细
文献:Yamazaki, Kenji; Kawamorita, Soichiro; Ohmiya, Hirohisa; Sawamura, Masaya Organic Letters, 2010 , vol. 12, # 18 p. 3978 - 3981
海关编码 2934999090
中文概述 2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%