3,5-二氟-4-甲氧基苯甲酸 | 319-60-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 3,5-二氟-4-甲氧基苯甲酸
• 英文名称: 3,5-difluoro-4-methoxybenzoic acid
• CAS: 319-60-8
• 化学式: C₈H₆F₂O₃
• 分子量: 188.131
• InChiKey: YOWQTTYAQQPSHM-UHFFFAOYSA-N

物化性质

• 熔点：
  164-166°C
• 沸点：
  286℃
• 密度：
  1.399
• 闪点：
  127℃

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  13
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  5

安全信息

• 危险品标志：
  Xi
• 海关编码：
  2918990090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
3,5-Difluoro-4-methoxybenzoic acid
Product Name:
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
P261: Avoid breathing dust/fume/gas/mist/vapours/spray
Wear protective gloves/protective clothing/eye protection/face protection
P280:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P405: Store locked up

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Section 3. Composition/information on ingredients.
3,5-Difluoro-4-methoxybenzoic acid
Ingredient name:
CAS number: 319-60-8

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Section 4. First aid measures
Immediately wash skin with copious amounts of water for at least 15 minutes while removing
Skin contact:
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
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.
Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Ingestion:

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Section 5. 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.

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Section 6. 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.

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Section 7. 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.

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Section 8. 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.

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Section 9. Physical and chemical properties
Not specified
Appearance:
Boiling point: No data
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C8H6F2O3
Molecular weight: 188.1

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Section 10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, hydrogen fluoride.

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Section 11. Toxicological information
No data.

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Section 12. Ecological information
No data.

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Section 13. 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.

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Section 14. Transportation information
Non-harzardous for air and ground transportation.

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Section 15. 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.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  3,5-二氟-4-甲氧基苯甲酸 在 氯化亚砜 、 乙醚 、 alkaline sodium hypobromite 、 氨 作用下， 生成 3,5-二氟-4-甲氧基苯胺
  参考文献：
  名称：

  The Synthesis of 3',5'-Difluoro-dl-thyronine and 3,5-Diiodo-3',5'-difluoro-dl-thyronine

  摘要：

  DOI：

  10.1021/ja01853a051
• 作为产物：
  描述：

  3,5-二氟-4-甲氧基苯甲酸甲酯 在 氢氧化钾 作用下， 生成 3,5-二氟-4-甲氧基苯甲酸
  参考文献：
  名称：

  The Synthesis of 3,5-Difluoro- and 3-Fluoro-5-iodo-dl-tyrosine

  摘要：

  DOI：

  10.1021/ja01859a035

文献信息

• Triazole derivatives
  申请人：Hoffmann-La Roche Inc.

  公开号：US06265426B1

  公开（公告）日：2001-07-24

  The present invention relates to triazole and imidazole derivatives of formula I and to their pharmaceutically acceptable acid addition salts. These compounds are NMDA receptor subtype blockers and are useful for the treatment of diseases related to the NMDA receptor.

  本发明涉及式I的三唑和咪唑衍生物及其药用可接受的酸盐。这些化合物是NMDA受体亚型阻滞剂，对治疗与NMDA受体相关的疾病有用。
• Nitrogen-containing fused ring compounds and use thereof
  申请人：Hirata Kazuyuki

  公开号：US20070010670A1

  公开（公告）日：2007-01-11

  A URAT1 activity inhibitor containing a nitrogen-containing fused ring compound represented by the following formula [1]: wherein each symbol is as defined in the description. The present invention is useful for the prophylaxis or treatment of pathology showing involvement of uric acid, such as hyperuricemia, gouty tophus, acute gouty arthritis, chronic gouty arthritis, gouty kidney, urolithiasis, renal function disorder, coronary artery disease, ischemic heart disease and the like.

  一种包含氮含有融合环化合物的URAT1活性抑制剂，其化学式如下所示[1]： 其中每个符号如描述中所定义。本发明对于预防或治疗显示尿酸参与的病理学，如高尿酸血症、痛风石、急性痛风性关节炎、慢性痛风性关节炎、痛风性肾脏、尿路结石、肾功能障碍、冠状动脉疾病、缺血性心脏病等方面具有用处。
• [EN] NOVEL TETRAHYDROPYRIDOPYRIMIDINES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] NOUVELLES TÉTRAHYDROPYRIDOPYRIMIDINES POUR LE TRAITEMENT ET LA PROPHYLAXIE D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
  申请人：HOFFMANN LA ROCHE

  公开号：WO2018083106A1

  公开（公告）日：2018-05-11

  The present invention provides novel compounds having the general formula (I) wherein R1, R2 and Z are as described herein, compositions including the compounds and methods of using the compounds.

  本发明提供了具有一般式（I）的新化合物，其中R1、R2和Z如本文所述，包括这些化合物的组合物和使用这些化合物的方法。
• [EN] PGD2 RECEPTOR ANTAGONISTS FOR THE TREATMENT OF INFLAMMATORY DISEASES<br/>[FR] ANTAGONISTES DE RECEPTEUR DE LA PROSTAGLANDINE D2 POUR LE TRAITEMENT DE MALADIES INFLAMMATOIRES
  申请人：MILLENNIUM PHARM INC

  公开号：WO2005100321A1

  公开（公告）日：2005-10-27

  Disclosed herein are compounds represented by Structural Formula: (I) and (I-A). Also disclosed is the use of such compounds for inhibiting the G-protein coupled receptor referred to as chemoattractant receptor-homologous molecule expressed on Th2, or simply 'CRTH2' for the treatment of inflammatory disorders. The variables in Structural Formula (I) and (I-A) are defined herein.

  本文披露了由结构式(I)和(I-A)表示的化合物。还披露了利用这些化合物抑制称为趋化剂受体同源分子表达在Th2上的G蛋白偶联受体，简称为'CRTH2'，用于治疗炎症性疾病。结构式(I)和(I-A)中的变量在此处被定义。
• Pharmaceutical Compositions Comprising Nitrogen-Containing Fused Ring Coumpounds
  申请人：Miki Kazuki

  公开号：US20080305169A1

  公开（公告）日：2008-12-11

  [Problems] The present invention provides pharmaceutical composition which is effective for the prophylaxis or treatment of pathology showing involvement of uric acid (hyperuricemia, gouty tophus, acute gout arthritis, chronic gout arthritis, gouty kidney, urolithiasis, renal function disorder, coronary arterial disease, ischemic heart disease and the like) and the like, and is superior in the time-course stability and dissolution property (disintegration property). [Solving Means] The pharmaceutical composition of the present invention is a pharmaceutical composition comprising a nitrogen-containing fused ring compound represented by the following formula [1] or a pharmaceutically acceptable salt thereof, and one or more pharmaceutically acceptable additives, wherein the nitrogen-containing fused ring compound or a pharmaceutically acceptable salt thereof is not in contact with a basic additive: wherein each symbol is as described in the specification.

  本发明提供了一种药物组合物，用于预防或治疗涉及尿酸的病理（高尿酸血症、痛风石、急性痛风性关节炎、慢性痛风性关节炎、痛风性肾脏、尿路结石、肾功能障碍、冠状动脉疾病、缺血性心脏病等），并且在时间稳定性和溶解性（分解性）方面具有优越性。 【解决手段】本发明的药物组合物是一种药物组合物，包括下式【1】所表示的含氮融合环化合物或其药学上可接受的盐，以及一种或多种药学上可接受的添加剂，其中所述的含氮融合环化合物或其药学上可接受的盐与碱性添加剂不接触： 其中每个符号如说明书中所述。