5,6,7,8-四氟苯并-1,4-二氧烷 | 1743-87-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并二恶烷
• 中文名称: 5,6,7,8-四氟苯并-1,4-二氧烷
• 中文别名: 一缩二乙二醇一(2-乙基已基)醚；二甘醇(2-乙己基)醚；2-乙己基卡必醇；二甘醇一(2-乙己基)醚；5,6,7,8-四氟苯并-1,4-二噁烷；一缩二乙二醇单(2-乙基已基)醚；二乙二醇单辛醚；2-{(2-[(2-乙基己基)氧基]乙氧基}乙醇；二甘醇单(2-乙己基)醚
• 英文名称: 2,2,3,3-tetrahydro-5,6,7,8-tetrafluoro-1,4-benzodioxin
• 英文别名: 5,6,7,8-tetrafluoro-2,3-dihydro-1,4-benzodioxin；5,6,7,8-tetrafluoro-1,4-benzodioxane；5,6,7,8-tetrafluoro-2,3-dihydro-benzo[1,4]dioxine；5,6,7,8-Tetrafluor-2,3-dihydro-1,4-benzo-dioxin；5,6,7,8-Tetrafluor-1,4-benzodioxan；5,6,7,8-Tetrafluorobenzo-1,4-dioxane；5,6,7,8-tetrafluoro-2,3-dihydro-1,4-benzodioxine
• CAS: 1743-87-9
• 化学式: C₈H₄F₄O₂
• mdl: MFCD00229993
• 分子量: 208.112
• InChiKey: KKPOQYDRSXVVEJ-UHFFFAOYSA-N

物化性质

• 熔点：
  78-79°C
• 沸点：
  187.6±40.0 °C(Predicted)
• 密度：
  1.539±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  14
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  6

安全信息

• 危险品标志：
  Xi
• 安全说明：
  S26,S36/37/39
• 危险类别码：
  R36/37/38

SDS

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SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name : 5,6,7,8-Tetrafluoro-2,3-dihydro-benzo(1,4)dioxane
REACH No. : A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No. : 1743-87-9
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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SECTION 2: 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
This substance is not classified as dangerous according to Directive 67/548/EEC.
Other hazards - none

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SECTION 3: Composition/information on ingredients
Substances
Formula : C8H4F4O2
Molecular Weight : 208,11 g/mol
CAS-No. : 1743-87-9
No components need to be disclosed according to the applicable regulations.

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SECTION 4: First aid measures
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
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. Consult a physician.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

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SECTION 5: 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, Hydrogen fluoride
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

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SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
For personal protection see section 8.
Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
environment must be avoided.
Methods and materials for containment and cleaning up
Soak up with inert absorbent material and dispose of as hazardous waste. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

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SECTION 7: Handling and storage
Precautions for safe handling
Normal measures for preventive fire protection.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are
opened must be carefully resealed and kept upright to prevent leakage.
Specific end use(s)
A part from the uses mentioned in section 1.2 no other specific uses are stipulated

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SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
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
impervious clothing, The type of protective equipment must be selected according to the
concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup
to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
respirator. Use respirators and components tested and approved under appropriate government
standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into
the environment must be avoided.

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SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) Appearance Form: liquid
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing no data available
point
f) Initial boiling point and no data available
boiling range
g) Flash point no data available
h) Evapouration rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density no data available
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- log Pow: 1,813
octanol/water
p) Auto-ignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

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SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available
In the event of fire: see section 5

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SECTION 11: 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 sensitisation
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
Additional Information
RTECS: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

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SECTION 12: 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
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
Toxic to aquatic life.
no data available

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SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed
professional waste disposal service to dispose of this material.
Contaminated packaging
Dispose of as unused product.

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SECTION 14: 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: no IMDG Marine pollutant: no IATA: no
Special precautions for user
no data available

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SECTION 15 - REGULATORY INFORMATION
N/A

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  5,6,7,8-四氟苯并-1,4-二氧烷 在 氯 作用下， 以82%的产率得到2,2,3,3-tetrachloro-5,6,7,8-tetrafluoro-1,4-benzodioxin
  参考文献：
  名称：

  A novel perfluoromonomer: perfluoro-2,3-dihydro-1,4-benzodioxin

  摘要：

  A novel perfluoromonomer, perfluoro-2,3-dihydro-1,4-benzodioxin (FDB), was synthesized. The homopolymerization and copolymerizations of FDB were investigated. The structure and physical properties of those polymers were characterized. (C) 2003 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jfluchem.2003.08.003
• 作为产物：
  描述：

  2-五氟苯氧基乙醇 在 potassium fluoride 、 saccharin sodium salt 作用下， 反应 2.0h， 生成 5,6,7,8-四氟苯并-1,4-二氧烷
  参考文献：
  名称：

  六氟苯与三甲基甲硅烷基醚的反应

  摘要：

  六氟苯容易与各种三甲基甲硅烷基醚ROSiMe 3（R = CF 3 CH 2，FCH 2 CH 2，H（CF 2）n，CH 2（n = 2，4），CF 3（CF 2）6 CH 2，CF 3（CF 2）5 CH 2 CH 2，Me 3 SiOCH 2 CH 2，C 6 F 5 OCH 2 CH 2，C 6ħ 5，4-FC 6 H ^ 4），以从单环至hexapolyfluoroalkoxy-和polyfluoroaryloxy基苯得到。通过单晶X射线分析确认了C 6（OCH 2 CF 3）6的结构。全氟化醚C 6 F 5 OCF 2 CF 3可以通过氯化和随后用SbF 3 / SbCl 5氟化由C 6 F 5 OCH 2 CF 3合成。还讨论了5,6,7,8-四氟-1,4-苯并二恶烷的氯化反应。

  DOI：

  10.1016/0022-1139(93)05008-o

文献信息

• [DE] VERFAHREN ZUR HERSTELLUNG VON LITHIUM-BORAT-KOMPLEXEN<br/>[EN] PROCESS FOR PREPARING LITHIUM-BORATE COMPLEXES<br/>[FR] PROCEDE DE PREPARATION DE COMPLEXES LITHIUM-BORATE
  申请人：MERCK PATENT GMBH

  公开号：WO1998007729A1

  公开（公告）日：1998-02-26

  (DE) Die Erfindung betrifft Lithiumkomplexsalze der allgemeinen Formel (I), worin R und R1 gleich oder verschieden sind, gegebenenfalls durch eine Einfach- oder Doppelbindung direkt miteinander verbunden sind, jeweils einzeln oder gemeinsam die Bedeutung eines aromatischen Rings aus der Gruppe Phenyl, Naphthyl, Anthracenyl oder Phenanthrenyl, der unsubstituiert oder ein- bis vierfach durch A oder Hal substituiert sein kann, haben oder jeweils einzeln oder gemeinsam die Bedeutung eines heterocyclischen aromatischen Rings aus der Gruppe Pyridyl, der unsubstituiert oder ein- bis dreifach durch A oder Hal substituiert sein kann, haben und Hal F oder Cl und A Alkyl mit 1 bis 6 C-Atomen, das ein- bis vierfach halogeniert sein kann, bedeuten, deren Verwendung als Elektrolyte in sekundären Lithiumbatterien sowie ein Verfahren zur Herstellung dieser Verbindungen.(EN) Lithium complex salts have the general formula (I), in which R and R1 are the same or different, are optionally directly interconnected by a simple or double bond, represent alone or together an aromatic ring from the group composed of phenyl, naphthyl, anthracenyl or phenanthrenyl, which can be unsubstituted or substituted one to four times by A or Hal, or represent alone or together a heterocyclic aromatic ring from the pyridyl group which can be unsubstituted or substituted one to three times by A or Hal; Hal stands for F or Cl; and A stands for alkyl with 1 to 6 C atoms optionally halogenated one to four times. Also disclosed is their use as electrolytes in secondary lithium batteries and a process for preparing these compounds.(FR) L'invention concerne des sels complexes de lithium de la formule générale (I), dans laquelle R et R1 sont identiques ou différents, sont éventuellement liés directement par une liaison simple ou double, désignent individuellement ou conjointement un composé cyclique aromatique du groupe phényle, naphtyle, anthracényle ou phénanthrényle, pouvant être non substitué ou substitué entre une et quatre fois par A ou Hal, ou désignent individuellement ou conjointement un composé hétérocyclique aromatique du groupe pyridyle, pouvant être non substitué ou substitué entre une et trois fois par A ou Hal et Hal désigne F ou Cl et A désigne alkyle ayant entre 1 et 6 atomes de C, pouvant être halogéné entre une et quatre fois. L'invention concerne leur utilisation comme électrolytes dans des piles au lithium secondaires, ainsi qu'un procédé permettant de préparer lesdits composés.

  该发明涉及锂配合物盐，其一般化学式为(I)，其中R和R1可以相同或不同，并且可以由简单的或双键直接相连，各自单独或共同代表苯环、 naphtyl、 anthracenyl或phenanthrenyl中的一类未取代或被一个至四个取代基A或 Hal取代的芳香环，或代表吡咯基族中的一个未取代或一个至三个取代基A或 Hal取代的芳香环。 Hal表示F或Cl；A表示含有1至6个C原子的烷基基团，每个基团最多被一个至四个卤素原子取代。该发明还涉及上述锂配合物盐作为锂二次电池中的电解质，以及制备上述化合物的方法。
• Kizner, T. A.; Shteingarts, V. D., Journal of Organic Chemistry USSR (English Translation), 1989, vol. 25, # 11.2, p. 2183 - 2188
  作者：Kizner, T. A.、Shteingarts, V. D.

  DOI：——

  日期：——
• KIZNER, T. A.;SHTEJNGARTS, V. D., ZH. ORGAN. XIMII, 25,(1989) N1, S. 2424-2431
  作者：KIZNER, T. A.、SHTEJNGARTS, V. D.

  DOI：——

  日期：——
• VERFAHREN ZUR HERSTELLUNG VON LITHIUM-BORAT-KOMPLEXEN
  申请人：MERCK PATENT GmbH

  公开号：EP0922049A1

  公开（公告）日：1999-06-16
• EP3753062A1
  申请人：——

  公开号：EP3753062A1

  公开（公告）日：2020-12-23