三氟乙酸(TFA)

CAS: 76-05-1 货号: T1375587 分子式: CF3COOH 分子量: 114.02 Beilstein号: 742035 EC号: 200-929-3
有货
级别和纯度: 0.1% in Acetonitrile
储存条件
室温,充氩,干燥
运输条件
DG运输
★
规格
库存
价格
数量
100ml
T1375587-100ml
现货 Stock Image
¥219.90
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为什么选择此级别

,适用于对基线干扰要求严格的色谱和分析工作流程。

🌡

储存与运输

室温,充氩,干燥。DG运输 。请查阅批次 COA 获取详细规格。

📋

质量文档

SDS、COA、产品数据表及规格说明书均可下载。可通过批号查询获取批次 COA。

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文献证明

在色谱分析、有机合成和交叉偶联反应领域已被 1122 篇同行评审文献引用。

概述

有辛辣气味。有吸湿性。能发烟。是一种强烈而非氧化性的酸。能与乙醚、丙酮、乙醇、苯、四氯化碳和己烷混溶。有毒,半数致死量(小鼠,静脉)1200mg/kg。有腐蚀性。


规格

规格或纯度
0.1% in Acetonitrile
英文名称
Trifluoroacetic acid(TFA)
储存条件
室温,充氩,干燥
运输条件
DG运输
名称和识别符
EC号
200-929-3
分子类型
小分子
IUPAC Name
2,2,2-trifluoroacetic acid
INCHI
1S/C2HF3O2/c3-2(4,5)1(6)7/h(H,6,7)
InChi Key
DTQVDTLACAAQTR-UHFFFAOYSA-N
Smiles
C(=O)(C(F)(F)F)O
Isomeric SMILES
C(=O)(C(F)(F)F)O
UN Number
Packing Group
I
分子量
114.02
Beilstein号
742035
Reaxy-Rn
742035
Reaxys-RN link address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=742035&ln=

技术文档

📋 安全数据表 (SDS)

全面的危险、操作、储存及法规合规文件。

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✅ 分析证书 (COA)

批次质量数据。输入批号以获取对应 COA。

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📊 产品数据表

产品规格和应用的快速参考摘要。

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🔬 规格说明书

该级别的完整质量属性和验收标准。

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高级数据

系统学分类

分类树(Taxonomy Tree)

界(kingdom) 有机化合物
超类(Superclass) 有机酸及其衍生物
类(Class) 羧酸及其衍生物
亚类(Subclass) α-卤代羧酸及其衍生物
中间层级节点(Intermediate Tree Nodes) 暂无
直接上位类(Direct Parent) α-卤代羧酸
其他上位类(Alternative Parents) 一元羧酸及其衍生物  羧酸  有机氟化物  有机氧化物  碳氢化合物衍生物  羰基化合物  烷基氟化物  
分子骨架(Molecular Framework) 脂肪族无环化合物
取代基(Substituents) 脂肪族非环化合物 - 氟化烷基 - 烷基溴化物 - α-卤代羧酸 - 羰基 - 羧酰胺基 - 烃衍生物 - 单羧酸或其衍生物 - 有机氧化物 - 有机氧化合物 - 有机氟化物 - 有机卤化物 - 有机氧化合物
描述(Description) 该化合物属于α-卤代羧酸类有机化合物。这类羧酸的α碳原子上直接连接有卤素原子。
外部描述符(External Descriptors) organofluorine compound - monocarboxylic acid
三维结构
交互式化学结构模型





化学和物理性质
密度
1.489
敏感性
易吸潮
折光率
n20/D 1.3 (lit.)
闪点(℃)
>100°C
沸点
72-73°
熔点
-15°
分子量
114.020 g/mol
XLogP3
0.900
氢键供体数Hydrogen Bond Donor Count
1
氢键受体数Hydrogen Bond Acceptor Count
5
可旋转键计数Rotatable Bond Count
0
精确质量Exact Mass
113.993 Da
单同位素质量Monoisotopic Mass
113.993 Da
拓扑极表面积Topological Polar Surface Area
37.300 Ų
重原子数Heavy Atom Count
7
形式电荷Formal Charge
0
复杂度Complexity
83.400
同位素原子数Isotope Atom Count
0
定义的原子立体中心计数Defined Atom Stereocenter Count
0
未定义的原子立体中心计数Undefined Atom Stereocenter Count
0
定义的键立体中心计数Defined Bond Stereocenter Count
0
未定义的键立体中心计数Undefined Bond Stereocenter Count
0
所有立体化学键的总数The total count of all stereochemical bonds
0
共价键合单元计数Covalently-Bonded Unit Count
1
安全和危险性(GHS)
一般危化品
一般危化品
象形图
GHS02,   GHS05,   GHS07
信号词
危险
危险声明

H225: 高度易燃的液体和蒸气

H302: 吞食有害

H314: 造成严重的皮肤灼伤和眼睛损伤

H313+H333: 接触皮肤或吸入可能有害。

预防措施声明

P210: 远离热源,热表面,火花,明火和其他点火源。 - 禁止抽烟。

P233: 保持容器密闭。

P240: 地面/粘结容器和接收设备

P241: 使用防爆的[电气/通风/照明/.../]设备。

P242: 仅使用无火花的工具。

P243: 采取防静电措施

P264: 处理后要彻底洗手。

P270: 使用本产品时,请勿进食、饮水或吸烟。

P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。

P363: 再次使用之前,请清洗受污染的衣物。

P302+P352: 如皮肤沾染:用水充分清洗。

P304+P340: 如误吸入:将人转移到空气新鲜处,保持呼吸舒适体位。

P370+P378: 火灾时:使用干砂、干粉或抗醇泡沫灭火。

P405: 密闭存放

P403+P235: 存放在通风良好的地方。保持低温。

P501: 将内容物/容器处理到。。。

P301+P317: 如果被吞咽:请寻求医疗帮助。

P305+P354+P338: 如果进入眼睛:立即用水冲洗几分钟。取下隐形眼镜(如果有的话),并且操作简单。继续冲洗。

WGK Germany
2
RTECS
AJ9625000
Class
8
Merck Index
9681
个人防护装备
Faceshields,full-face respirator (US),Gloves,Goggles,multi-purpose combination respirator cartridge (US),type ABEK (EN14387) respirator filter
质检证书(CoA,COO,BSE/TSE 和分析图谱)
C of A & Other Certificates(BSE/TSE, COO):
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找到2个结果

批号(Lot Number) 证书类型 货号
I2518536 分析证书 T1375587
I2518535 分析证书 T1375587
技术文档和文章
肽图检查法鉴定蛋白质结构
Peptide Mapping for Protein Structure Identification
分钟级构建氟代含氮桥环:Pd(II)/Pd(IV) 串联反应与 Pd(IV)“成对迁移(dyotropic)”重排驱动的应力释放环扩张
Minute-Scale Construction of Fluorinated Nitrogen-Bridged Bicycles: Pd(II)/Pd(IV) Cascade Chemistry and a Pd(IV) “Dyotropic (Paired-Migration)” Rearrangement Driving Strain-Release Ring Expansion
离子对反相色谱(IPC / IP-RP)全指南:机理、四旋钮调参、排故与试剂分类表(表1–表4)
A Complete Guide to Ion-Pair Reversed-Phase Chromatography (IPC / IP-RP): Mechanisms, Four Tuning Knobs, Troubleshooting, and Ion-Pair Reagent Families (Tables 1–4)
SPPS 多肽固相合成树脂选型全指南:Fmoc/Boc 路线、C 端酸/酰胺与关键参数导航
A Complete Guide to Choosing Resins for SPPS (Solid-Phase Peptide Synthesis): Fmoc/Boc Routes, C-Terminal Acid/Amide, and a Key-Parameter Navigator
把生物分子装上红氧开关:ATTO MB2 NHS ester 的原理、偶联要点与应用导航
Installing a Redox Switch on Biomolecules: Principles, Conjugation Essentials, and an Application Guide for ATTO MB2 NHS ester
小分子化学探针实用指南:概念纠偏、因果验证与实验选型(含产品导航与表A–D)
A Practical Guide to Small-Molecule Chemical Probes: Concept Clarification, Causal Validation, and Experimental Selection (with Product Navigation and Tables A–D)
赖氨酰内切酶Lys-C:赖氨酸位点特异性消化酶的机理、应用与方法学控制要点
Endoproteinase Lys-C: Mechanism, Applications, and Method-Control Considerations for Lysine-Specific Digestion
色谱峰拖尾与峰形不稳背后的二次作用:残余硅醇(Si–OH)对碱性化合物的影响与最短排查/修复路径(含产品导航与表1–表3)
Secondary Effects Behind Chromatographic Peak Tailing and Unstable Peak Shapes: How Residual Silanols (Si–OH) Affect Basic Compounds, and the Shortest Troubleshooting/Remediation Path (with Product Navigation and Tables 1–3)
2-甲基吡啶-硼烷(2-Picoline·BH₃)还原胺化指南:替代 NaBH₃CN 的工艺动机、适用窗口与放大收尾要点(含产品表1–表3)
2-Methylpyridine–Borane (2-Picoline·BH₃) Reductive Amination Guide: Process Drivers for Replacing NaBH₃CN, the Practical Operating Window, and Scale-Up/Quench Close-Out Essentials (Including Product Tables 1–3)
有机酸如何“稳住体系”:pH 窗口、盐型与金属离子管理的选型逻辑(附表A–E导航)
How Organic Acids “Stabilize a System”: Selection Logic via the pH Window, Salt Forms, and Metal-Ion Management (with a navigation guide to Tables A–E)
血管紧张素转换酶(ACE):分子特征、催化功能与科研及转化应用综述
Angiotensin-Converting Enzyme (ACE): A Review of Molecular Features, Catalytic Functions, and Research and Translational Applications
凝乳酶:分子特征、凝乳动力学与活力评价的研究综述
Chymosin: A Review of Molecular Features, Coagulation Kinetics, and Activity Evaluation
糜蛋白酶(Chymotrypsin)的酶学特性、催化机制与科研应用综述
Review of Chymotrypsin: Enzymological Properties, Catalytic Mechanism, and Research Applications
β-酰氧基烯基酰胺(AAAs):一种值得关注的酰胺键与肽键构建新思路
β-Acyloxy Alkenyl Amides (AAAs): A New Approach to Amide Bond and Peptide Bond Construction Worth Attention
DAST 介导的室温成酰胺反应:方法特点、应用价值与适用范围
DAST-Mediated Amidation at Room Temperature: Method Features, Practical Value, and Scope of Applicability
糖蛋白结构表征与质量属性分析的方法学研究
Methodological Studies on Glycoprotein Structural Characterization and Quality Attribute Analysis
从分析仪器到合成装置:常规分析型 HPLC 重构自动化流动固相多肽合成的新思路
From Analytical Instrument to Synthetic Platform: A New Strategy for Reconstructing Automated Flow Solid-Phase Peptide Synthesis with Standard Analytical HPLC
空间大位阻多肽固相合成的新进展:RMMR 策略的背景、核心突破与自动化兼容性启示
New Progress in the Solid-Phase Synthesis of Sterically Hindered Peptides: Background, Core Breakthroughs, and Implications for Automation Compatibility of the RMMR Strategy
认识 Cbz(苄氧羰基):经典氨基保护基的选用思路与应用价值
Understanding Cbz (Benzyloxycarbonyl): Selection Logic and Practical Value of a Classical Amino Protecting Group
从脱保护逻辑看保护基选择:Bn、PMB 与 Dmb 在实验设计中的差异
From the Logic of Deprotection to Protecting Group Choice: Differences Among Bn, PMB, and Dmb in Experimental Design
三苯甲基系列保护基的核心价值:酸脱保护层级与选择性路线设计
The Core Value of the Trityl Family of Protecting Groups: Acid-Deprotection Hierarchies and Selective Route Design
重新认识三甲基铝:未保护氨基酸一锅法肽链延长的方法设计与实验价值
Reassessing Trimethylaluminum: Method Design and Experimental Value of One-Pot Peptide Elongation from Unprotected Amino Acids
重新认识 N-酰基型氨基保护基:Ac、Bz 与 Tfa 的脱保护差异、路线分工与实验选用思路
Reconsidering N-Acyl Amino Protecting Groups: Deprotection Differences, Strategic Roles, and Experimental Selection of Ac, Bz, and Tfa
TfOH(三氟甲磺酸)介导 N-芳基磺酰胺的选择性脱保护与磺酰基迁移:反应规律及合成启发
Selective Deprotection and Sulfonyl Group Migration of N-Aryl Sulfonamides Mediated by TfOH (Trifluoromethanesulfonic Acid): Reaction Patterns and Synthetic Implications
多肽合成中的低消旋,不只是试剂选择:活化阶段的构型风险与实验控制思路
Low Racemization in Peptide Synthesis Is Not Just About Reagent Choice: Stereochemical Risk During the Activation Stage and Practical Strategies for Experimental Control
从同一前体看非稳定亚甲胺叶立德化学:受体分流与骨架出口规律
Unstabilized Azomethine Ylide Chemistry from a Single Precursor: Acceptor-Controlled Divergence and Patterns of Scaffold Outcomes
羟脯氨酸含量检测的技术比较与方法学选择
Technical Comparison and Method Selection for Hydroxyproline Determination
多肽合成路线的判断逻辑:从 SPPS、LPPS 到重组表达的适用情形与判断依据
Decision Logic for Peptide Synthesis Routes: Applicability and Criteria for Choosing among SPPS, LPPS, and Recombinant Expression
Teoc 氨基保护基的选用逻辑:从氟离子触发脱保护到正交保护设计
Selection Logic for the Teoc Amino Protecting Group: From Fluoride-Triggered Deprotection to Orthogonal Protecting-Group Design
Boc₂O 的选用不能只看保护引入:从底物亲核性、介质效应到脱保护路径的实验判断
Boc₂O Selection Cannot Be Judged by Protection Installation Alone: Experimental Decision-Making from Substrate Nucleophilicity and Medium Effects to Deprotection Pathways
双 Boc 及相关 N-Boc 差异化脱保护的实验判断:底物类型、位点响应差与初始条件选择
Experimental Judgment for Differential Deprotection of Double Boc and Related N-Boc Systems: Substrate Type, Site-Response Differences, and Initial Condition Selection
SEM-Cl 的实验选用:从 O/N-SEM 保护、杂环定向官能化到受保护 C1 片段引入
Experimental Selection of SEM-Cl: From O/N-SEM Protection and Directed Functionalization of N-Heterocycles to the Introduction of Protected C1 Fragments
小分子合成中的反应选择:从转化类型判断到实验路径筛选
Reaction Selection in Small-Molecule Synthesis: From Transformation-Type Assessment to Experimental Route Screening
多孔石墨化碳(PGC)色谱柱:用分子形状和石墨表面 π 电子云建立困难分离的新选择性
Porous Graphitic Carbon (PGC) Chromatography Columns: Creating New Selectivity for Challenging Separations through Molecular Shape and the π-Electron Cloud on the Graphitic Surface
多肽合成异常杂质如何排查?从氨基相关副反应看工艺问题定位
How to Troubleshoot Abnormal Impurities in Peptide Synthesis? Locating Process Issues Through Amino-Related Side Reactions
多肽中间体难溶、难分离?标签辅助液相肽合成(TAG-LPPS)的路线设计与后处理策略
Peptide Intermediates Difficult to Dissolve and Separate? Route Design and Workup Strategies for Tag-Assisted Liquid-Phase Peptide Synthesis (TAG-LPPS)
多肽合成中羧基与羟基相关杂质的形成与控制——以 Asp/Glu 和 Ser/Thr 残基副反应为例
Formation and Control of Carboxyl- and Hydroxyl-Related Impurities in Peptide Synthesis — Using Asp/Glu and Ser/Thr Residue Side Reactions as Examples
非共价3CL蛋白酶抑制剂S-217622的发现与结构优化
Discovery and Structural Optimization of the Noncovalent 3CL Protease Inhibitor S-217622
银耳多糖的保湿机制:从多糖结构、水合流变到皮肤表面动态成膜
Moisturizing Mechanisms of Tremella fuciformis Polysaccharides: From Polysaccharide Structure and Hydration Rheology to Dynamic Film Formation on the Skin Surface
棕榈酰五肽-4如何作用于皮肤:从KTTKS序列、皮肤递送到胶原基质响应
How Palmitoyl Pentapeptide-4 Acts on the Skin: From the KTTKS Sequence and Skin Delivery to Collagen Matrix Responses
环化如何改变多肽行为:以Cyclopeptide-5为例解析构象预组织、皮肤递送与整合素结合
How Cyclization Changes Peptide Behavior: Conformational Preorganization, Skin Delivery, and Integrin Binding, Using Cyclopeptide-5 as an Example
生物模拟肽的皮肤作用逻辑:序列与构象、皮肤递送、稳定性及靶点匹配
The Logic of Biomimetic Peptide Action in Skin: Sequence and Conformation, Skin Delivery, Stability, and Target Matching
含氟3,3-二取代氧杂环丁烷砌块的设计逻辑:结构构建及胺碱性、亲脂性与代谢稳定性调节
Design Logic of Fluorinated 3,3-Disubstituted Oxetane Building Blocks: Structural Construction and Modulation of Amine Basicity, Lipophilicity, and Metabolic Stability
灵芝提取物的结构—功能关系:多糖与三萜的皮肤保护作用及配方递送策略
Structure–Function Relationships of Ganoderma lucidum Extract: Skin-Protective Effects of Polysaccharides and Triterpenoids and Formulation Delivery Strategies
棕榈酰三肽-1与棕榈酰五肽-4的组合逻辑:皮肤递送、基质信号与胶原稳态调节
The Combination Logic of Palmitoyl Tripeptide-1 and Palmitoyl Pentapeptide-4: Skin Delivery, Matrix Signaling, and Regulation of Collagen Homeostasis
乙酰基六肽-8在表情纹管理中的作用基础:SNARE复合体干预、经皮递送限制与复配思路
Mechanistic Basis of Acetyl Hexapeptide-8 in the Management of Expression Lines: SNARE Complex Interference, Constraints on Percutaneous Delivery, and Combination Strategies
4-氮杂螺[2.3]己烷的哌啶生物等排潜力:几何、理化性质与合成可获得性
The Piperidine Bioisosteric Potential of 4-Azaspiro[2.3]hexane: Geometry, Physicochemical Properties, and Synthetic Accessibility
蓝铜胜肽 GHK-Cu 与皮肤修复:从铜配位化学到细胞外基质重塑
Copper Tripeptide GHK-Cu and Skin Repair: From Copper Coordination Chemistry to Extracellular Matrix Remodeling
超分子材料:从分子识别与自组装到动态功能
Supramolecular Materials: From Molecular Recognition and Self-Assembly to Dynamic Function
LY3509754关键α-溴代酮的构建:β-氧代酯策略与酶促酯水解后的伴随脱羧
Construction of the Key α-Bromoketone Intermediate for LY3509754: A β-Keto Ester Strategy and Concomitant Decarboxylation Following Enzymatic Ester Hydrolysis
吡啶二亚胺(PDI)-钴催化 Simmons–Smith 型环丙烷化的区域选择性:烯烃取代模式与亚甲基转移机理
Regioselectivity of Pyridine-Diimine (PDI)–Cobalt-Catalyzed Simmons–Smith-Type Cyclopropanation: Alkene Substitution Patterns and the Methylene-Transfer Mechanism
脱饱和胺化合成氨基杂芳烃:羰基位点预设C–N成键位置与后续脱饱和芳构化
Desaturative Amination for the Synthesis of Amino Heteroarenes: Carbonyl-Site Predefinition of the C–N Bond-Forming Position and Subsequent Desaturative Aromatization
ACT-1014-6470公斤级合成:未保护吡唑的N7选择性还原胺化、后续N2烷基化与分子内脲化
ACT-1014-6470 Kilogram-Scale Synthesis: N7-Selective Reductive Amination of an Unprotected Pyrazole, Subsequent N2 Alkylation, and Intramolecular Urea Formation
MTAD介导的吡啶氧化脱芳构化:暂时性对位环加成、烯烃氧化与杂原子官能化
MTAD-Mediated Oxidative Dearomatization of Pyridines: Transient para-Cycloaddition, Alkene Oxidation, and Heteroatom Functionalization
LY3509754关键α-溴代酮的构建:β-氧代酯策略与酶促酯水解后的伴随脱羧
Construction of the Key α-Bromoketone Intermediate for LY3509754: A β-Keto Ester Strategy and Concomitant Decarboxylation Following Enzymatic Ester Hydrolysis
此产品的引用文献
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常见问题

本产品应如何储存?
请于室温、氩气保护、干燥条件下保存。本品在氩气保护下供应,每次取用后请在惰性气体下重新密封。
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本产品属危险品,通过 FedEx DG Service 运输。不提供陆运及其他经济型服务,部分目的地或地址类型可能受限。
本产品的 CAS 号、分子式和分子量是多少?
本产品的 CAS 号为 76-05-1,分子式为 CF3COOH,分子量为 114.02 g/mol。InChIKey DTQVDTLACAAQTR-UHFFFAOYSA-N。
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