26475-18-3

26475-18-3结构式
26475-18-3结构式

化源商城直购

中文名 4,4'-二甲基八氟联苯
英文名 1,2,4,5-tetrafluoro-3-methyl-6-(2,3,5,6-tetrafluoro-4-methylphenyl)benzene
中文别名 4,4-二甲基八氟联苯
英文别名 4,4′-Dimethyloctafluorobiphenyl
2,2',3,3',5,5',6,6'-octafluoro-4,4'-dimethylbiphenyl
MFCD00000314
4,4'-dimethyloctafluorobiphenyl
4,4'-Dimethyloctafluorbiphenyl
密度 1.476 g/cm3
沸点 258.9ºC at 760 mmHg
熔点 144-148 °C
分子式 C14H6F8
分子量 326.18500
闪点 92.7ºC
精确质量 326.03400
LogP 5.08320
外观性状 淡米色结晶粉末
储存条件

放入紧密的贮藏器内,储存在阴凉,干燥的地方

稳定性

避免接触强氧化剂

分子结构

1、 摩尔折射率:60.44

2、 摩尔体积(m3/mol):220.9

3、 等张比容(90.2K):512.9

4、 表面张力(dyne/cm):29.0

5、 极化率(10 -24cm 3):23.96

计算化学

1.疏水参数计算参考值(XlogP):5.1

2.氢键供体数量:0

3.氢键受体数量:8

4.可旋转化学键数量:1

5.互变异构体数量:无

6.拓扑分子极性表面积0

7.重原子数量:22

8.表面电荷:0

9.复杂度:325

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℃):未确定

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):未确定

6. 沸点(ºC,5.2kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):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,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

Name: 4 4 -Dimethyloctafluorobiphenyl 97% Material Safety Data Sheet
Synonym: D-Pyroglutamic acid ethyl este
CAS: 26475-18-3
Section 1 - Chemical Product MSDS Name:4 4 -Dimethyloctafluorobiphenyl 97% Material Safety Data Sheet
Synonym:D-Pyroglutamic acid ethyl este

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
26475-18-3 4,4'-Dimethyloctafluorobiphenyl 97 unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
Causes respiratory tract irritation.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
Eyes: Immediately 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. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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:
Treat symptomatically and supportively.

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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
Handling:
Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
Storage:
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 26475-18-3: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 149 - 151 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C14H6F8
Molecular Weight: 326.19

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, hydrogen fluoride gas.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 26475-18-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4,4'-Dimethyloctafluorobiphenyl - 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
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 26475-18-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 26475-18-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 26475-18-3 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A
危害码 (欧洲) Xi: Irritant;
风险声明 (欧洲) R36/37/38
安全声明 (欧洲) S37/39-S26
海关编码 2903999090
海关编码 2903999090
中文概述 2903999090 其他芳烃卤化衍生物. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
申报要素 品名, 成分含量, 用途
Summary 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%