2-吡啶甲酸（CAS 98-98-6）：分子式 C6H5NO2、分子量 123.11；类别 食品添加剂。
| CAS号 | 98-98-6 |
|---|---|
| 分子式 | C6H5NO2 |
| 分子量 | 123.11 |
| 熔点 | 136.5 °C |
| LogP | 0.72 |
| 应用领域 | Uses: Iron-chelating agent that inhibits DNA synthesis、may interfere with iron-dependent production of stable free organic radical which is essential for ribonucleotide reductase formation of deoxyribonucleotides. [ChemIDplus]、Synthetic Polymer MALDI Matrix Compounds、General Manufacturing Information: 2-Pyridinecarboxylic acid: ACTIVE |
| 类别 | 其他食品添加剂 |
登记用途：Uses: Iron-chelating agent that inhibits DNA synthesis、may interfere with iron-dependent production of stable free organic radical which is essential for ribonucleotide reductase formation of deoxyribonucleotides. [ChemIDplus]、Synthetic Polymer MALDI Matrix Compounds、General Manufacturing Information: 2-Pyridinecarboxylic acid: ACTIVE。
2-吡啶甲酸 是一种食品级化合物，登记 CAS 号为 98-98-6，分子式 C6H5NO2（分子量 123.11），归属于食品添加剂大类化工原料。
登记 CAS 号：98-98-6
其分子式 C6H5NO2 由 6 个碳、5 个氢、1 个氮、2 个氧 组成。
别名/同义词：2-吡啶甲酸 · Picolinic acid
所属分类：食品添加剂
2-吡啶甲酸 的 CAS 登记号为 98-98-6。
分子式 C6H5NO2，分子量 123.11。
别名/同义词：2-吡啶甲酸、Picolinic acid。
登记用途：Uses: Iron-chelating agent that inhibits DNA synthesis、may interfere with iron-dependent production of stable free organic radical which is essential for ribonucleotide reductase formation of deoxyribonucleotides. [ChemIDplus]、Synthetic Polymer MALDI Matrix Compounds、General Manufacturing Information: 2-Pyridinecarboxylic acid: ACTIVE。
所属分类：其他食品添加剂。
2-吡啶甲酸（CAS 98-98-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 98-98-6 |
|---|---|
| PubChem CID | 1018 |
| Molecular formula | C6H5NO2 |
| Molecular weight | 123.03 g/mol |
| IUPAC name | pyridine-2-carboxylic acid |
| InChIKey | SIOXPEMLGUPBBT-UHFFFAOYSA-N |
| UNII (FDA) | QZV2W997JQ |
| ChEBI ID | CHEBI:28747 |
| Molecular Weight | 123.11 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 123.032028402 |
| Monoisotopic Mass | 123.032028402 |
| Topological Polar Surface Area | 50.2 |
| Heavy Atom Count | 9 |
| Melting Point | 136.5 °C |
|---|---|
| Solubility | 960 mg/mL at 20 °C |
| Vapor Pressure | 0.00789 [mmHg] |
| LogP | 0.72 |
| LogP | -1.0 |
| Dissociation Constants | 0.99 |
picolinic acid; 98-98-6; Pyridine-2-carboxylic acid; 2-Pyridinecarboxylic acid; 2-Carboxypyridine; o-Pyridinecarboxylic acid; Acide picolique; alpha-Pyridinecarboxylic acid; 2-pyridine carboxylic acid; DTXSID7031903; QZV2W997JQ; DTXCID5011903; CHEBI:28747; RefChem:863115; 202-719-7; 2-Picolinic acid
| Reported hazard statements | H302 (93.9%), H315 (54.2%), H318 (17.3%), H319 (81.6%), H332 (40.8%), H335 (53.1%) |
|---|
H302 (93.9%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (54.2%): Causes skin irritation [Warning Skin corrosion/irritation]
Picolinic acid is identified by CAS 98-98-6, molecular formula C6H5NO2 and molecular weight 123.03 g/mol. UNII QZV2W997JQ; ChEBI 28747; InChIKey SIOXPEMLGUPBBT-UHFFFAOYSA-N. Melting Point: 136.5 °C; Solubility: 960 mg/mL at 20 °C; Vapor Pressure: 0.00789 [mmHg].
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Picolinic acid