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化工社化工社 化学情報印刷レポート · 研究参考用
HCID 99166作成日:2026年10月27日

3,4-ジフルオロ安息香酸

3,4-ジフルオロ安息香酸 · Benzoic acid, 3,4-difluoro- · NSC 190686 · TIMTEC-BB SBB006721 · RARECHEM AL BO 0269 · 3,4-Difluorobenzoic · 3,4-Difluorbenzoesure · 3,4-Difluorbenzoicacid

https://huagongshe.com/ja/chemical/99166

3,4-ジフルオロ安息香酸 の分子構造式

識別子と物理属性

CAS No.455-86-7
分子式C7H4F2O2
平均分子量158.1 g/mol
単同位体質量158.01793581 g/mol
SMILESO=C(O)c1ccc(F)c(F)c1
InChIKeyFPENCTDAQQQKNY-UHFFFAOYSA-N
PubChem CID99166
EC No.207-249-6
DTXSIDDTXSID60196539
現地名3,4-ジフルオロ安息香酸

化学・物理的性質

XLogP1.8
極性表面積37.3
水素結合供与体数1
水素結合受容体数4
回転可能結合数1
重原子数11
形式電荷0
複雑度161
物質分類Other Classes -> Benzoic Acid Derivatives
Physical DescriptionWhite crystalline powderOdorless[Alfa Aesar MSDS]
融点120-122 °C(lit.)
沸点257.0±20.0 °C(Predicted)
密度1.3486 (estimate)
貯蔵条件Sealed in dry,Room Temperature
溶解度クロロホルム(微量)、メタノール(微量)冷水にわずかに溶ける
pKa(酸解離定数)3.80±0.10(Predicted)
外観・状態個体
色白い
BRN2085848
InChIInChI=1S/C7H4F2O2/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,(H,10,11)
InChIKeyFPENCTDAQQQKNY-UHFFFAOYSA-N
SMILESC(O)(=O)C1=CC=C(F)C(F)=C1
CAS データベース455-86-7(CAS DataBase Reference)
NISTの化学物質情報3,4-Difluorobenzoic acid(455-86-7)
EPAの化学物質情報Benzoic acid, 3,4-difluoro- (455-86-7)

化学的特性

white to light yellow crystal powder

安全性と法規制

GHS 分類WarningH302 (83.7%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 49 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
規制情報PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.3,4-Difluorobenzoic acid: Does not have an individual approval but may be used under an appropriate group standard
有害性の概要A skin and strong eye irritant[Alfa Aesar MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (83.7%)
水環境危害等級(WGK)3
TSCA 収載状態TSCA listed
税関コード29163900
危険文句(R)22-36/37/38
危険表示Xn
安全措置(S)26-37/39
危険等級Eye Irrit. 2Skin Irrit. 2
貯蔵分類11 - Combustible Solids

用途

用途

有機合成原料。

使用

3,4-Difluoro-benzoic Acid is a useful synthetic intermediate. It is used to synthesize 2-arylbenzimidazole derivatives as melanin-concentrating hormone receptor 1 (MCH-R1) antagonists.

一般的な説明

Ultra-trace determination of 3,4-difluorobenzoic acid in aqueous reservoir fluids has been reported using solid-phase extraction in combination with GC-MS.