2,3-二氟-4-甲基苯甲醛 | 245536-50-9

• 物质功能分类: 有机原料 - 醛类化合物
• 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: 2,3-二氟-4-甲基苯甲醛
• 英文名称: 2,3-difluoro-4-methyl-benzaldehyde
• 英文别名: 2,3-difluoro-4-methylbenzaldehyde；4-Methyl-2,3-difluorobenzaldehyde
• CAS: 245536-50-9
• 化学式: C₈H₆F₂O
• 分子量: 156.132
• InChiKey: YCTVOFSIRYUUAN-UHFFFAOYSA-N

物化性质

• 沸点：
  204.2±35.0 °C(Predicted)
• 密度：
  1.241±0.06 g/cm3(Predicted)
• 稳定性/保质期：
  避免与氧化物和空气接触。

计算性质

• 辛醇/水分配系数(LogP)：
  1.9
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 危险类别码：
  R36/37/38
• 海关编码：
  2913000090
• 安全说明：
  S26,S36
• WGK Germany：
  3
• 包装等级：
  III
• 危险类别：
  6.1
• 危险性防范说明：
  P264,P270,P301+P310+P330,P405,P501
• 危险品运输编号：
  2811
• 危险性描述：
  H301
• 储存条件：
  保存方法：密闭于阴凉、通风干燥处。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 2,3-Difluoro-4-methylbenzaldehyde
Synonyms:

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H301: Toxic if swallowed
P301+P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician

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Section 3. Composition/information on ingredients.
Ingredient name: 2,3-Difluoro-4-methylbenzaldehyde
CAS number: 245536-50-9

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Section 4. 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.
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.
Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

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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, refrigerated.

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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
Appearance: Not specified
Boiling point: No data
Melting point: No data
Flash point: No data
Density: No data
Molecular formula: C8H6F2O
Molecular weight: 156.1

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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
UN Number: UN2811 Class: 6.1 Packing group: III
Proper shipping name: TOXIC SOLIDS, ORGANIC, N.O.S. (2,3-Difluoro-4-methylbenzaldehyde)

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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：

  2,3-二氟-4-甲基苯甲醛 在 盐酸羟胺 、 二甲基亚砜 作用下， 以 二甲基亚砜 为溶剂， 生成 2,3-二氟-4-甲基苯腈
  参考文献：
  名称：

  A Practical and Cost-Efficient, One-Pot Conversion of Aldehydes into Nitriles Mediated by ‘Activated DMSO’

  摘要：

  已报道了在无额外添加的碱或催化剂条件下，通过DMSO与醛类反应生成羟胺盐酸盐，参与醛类向腈类的一锅法转化。该方法适用于合成广泛的芳香族、杂环族及脂肪族腈类，过程中仅产生水作为副产品。该方法在多克规模上展现了一种简单且实用的操作流程。

  DOI：

  10.1055/s-0030-1261181

文献信息

• [EN] PENICILLIN-BINDING PROTEIN INHIBITORS<br/>[FR] INHIBITEURS DE PROTÉINE DE LIAISON À LA PÉNICILLINE
  申请人：VENATORX PHARMACEUTICALS INC

  公开号：WO2021108023A1

  公开（公告）日：2021-06-03

  Described herein are certain boron-containing compounds, compositions, preparations and their use as modulators of the transpeptidase function of bacterial penicillin-binding proteins and as antibacterial agents. In some embodiments, the compounds described herein inhibit penicillin-binding proteins. In certain embodiments, the compounds described herein are useful in the treatment of bacterial infections.

  本文描述了某些含硼化合物、组合物、制剂及其作为细菌青霉素结合蛋白的跨肽酶功能调节剂和抗菌剂的用途。在某些实施例中，本文描述的化合物抑制青霉素结合蛋白。在某些实施例中，本文描述的化合物在治疗细菌感染方面是有用的。
• [EN] THIAZOLIDINE COMPOUNDS AS OREXIN RECEPTOR ANTAGONISTS<br/>[FR] COMPOSÉS THIAZOLIDINES EN TANT QU'ANTAGONISTES DES RÉCEPTEURS DE L'OREXINE
  申请人：ACTELION PHARMACEUTICALS LTD

  公开号：WO2010004507A1

  公开（公告）日：2010-01-14

  The invention relates to thiazolidine derivatives of the formula (I) wherein A, B, and R1 are as described in the description, to salts, especially pharmaceutically acceptable salts, of such compounds and to their use as medicaments, especially as orexin receptor antagonists.

  这项发明涉及式(I)的噻唑啉衍生物，其中A、B和R1如描述中所述，以及这些化合物的盐，特别是药学上可接受的盐，以及它们作为药物的用途，特别是作为促进睡眠的药物受体拮抗剂。
• [EN] PHENETHYLAMIDE DERIVATIVES AND THEIR HETEROCYCLIC ANALOGUES<br/>[FR] DÉRIVÉS DE PHÉNÉTHYLAMIDE ET LEURS ANALOGUES HÉTÉROCYCLIQUES
  申请人：ACTELION PHARMACEUTICALS LTD

  公开号：WO2010044054A1

  公开（公告）日：2010-04-22

  The invention relates to novel phenethylamide derivatives and their heterocyclic analogues of formula (I), wherein A, B, R1, R2 and R3 are as described in the application, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

  这项发明涉及新型苯乙酰胺衍生物及其异环类似物，其化学式为(I)，其中A、B、R1、R2和R3如申请中所述，并且涉及将这种化合物或这种化合物的药用可接受盐用作药物，特别是促进睡眠的药物受体拮抗剂。
• THIAZOLIDINE COMPOUNDS AS OREXIN RECEPTOR ANTAGONISTS
  申请人：Aissaoui Hamed

  公开号：US20110105491A1

  公开（公告）日：2011-05-05

  The invention relates to thiazolidine derivatives of the formula (I) wherein A, B, and R 1 are as described in the description, to salts, especially pharmaceutically acceptable salts, of such compounds and to their use as medicaments, especially as orexin receptor antagonists.

  这项发明涉及式(I)的噻唑啉衍生物，其中A、B和R1如描述中所述，以及这些化合物的盐，特别是药用可接受的盐，以及它们作为药物的用途，特别是作为促进睡眠的药物受体拮抗剂。
• [EN] THIAZOLE DERIVATIVE AND USE THEREOF AS VAP-1 INHIBITOR<br/>[FR] DÉRIVÉ DE THIAZOLE ET SON UTILISATION EN TANT QU'INHIBITEUR DE LA VAP-1
  申请人：R TECH UENO LTD

  公开号：WO2009096609A1

  公开（公告）日：2009-08-06

  The present invention provides a novel thiazole derivative useful as a VAP-1 inhibitor, a pharmaceutical agent for the prophylaxis or treatment of VAP-1 associated diseases and the like. A compound represented by the formula (I): wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof.

  本发明提供了一种新型噻唑衍生物，可作为VAP-1抑制剂，用于预防或治疗与VAP-1相关的疾病等的药用剂。一种由以下式（I）表示的化合物：其中每个符号如规范中定义，或其药用可接受的盐。