1,2,4-三唑（CAS 288-88-0）：分子式 C2H3N3、分子量 69.07；类别 医药中间体。
| CAS号 | 288-88-0 |
|---|---|
| 分子式 | C2H3N3 |
| 分子量 | 69.07 |
| 熔点 | 120-121 °C |
| 沸点 | 260 °C (decomposes) |
| LogP | log Kow = -0.58 |
| 应用领域 | Uses: Used in organic synthesis、[IUCLID]、Intermediate、Use Classification: Environmental transformation -> Pesticide transformation products (metabolite、successor)、Industry Uses: Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: 1、2、4-Triazole is made by reaction between hydrazine and formamide. Distillation.、U.S. Production: 2023: 5、500、000 - <7、000、000 lb、2022: 7、000 - <8、2021: 4、000 - <5、2020: 4、1H-1、4-Triazole is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7598]、Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: 1H-1、4-Triazole. Aggregated National Production Volume: 1 to < 10 million lbs.、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、4-Triazole: ACTIVE |
| 类别 | 医药中间体 |
登记用途：Uses: Used in organic synthesis、[IUCLID]、Intermediate、Use Classification: Environmental transformation -> Pesticide transformation products (metabolite、successor)、Industry Uses: Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: 1、2、4-Triazole is made by reaction between hydrazine and formamide. Distillation.、U.S. Production: 2023: 5、500、000 - <7、000、000 lb、2022: 7、000 - <8、2021: 4、000 - <5、2020: 4、1H-1、4-Triazole is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7598]、Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: 1H-1、4-Triazole. Aggregated National Production Volume: 1 to < 10 million lbs.、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、4-Triazole: ACTIVE。
1,2,4-三唑 是一种化工化合物，登记 CAS 号为 288-88-0，分子式 C2H3N3（分子量 69.07），归属于医药中间体大类化工原料。
登记 CAS 号：288-88-0
其分子式 C2H3N3 由 2 个碳、3 个氢、3 个氮 组成。
别名/同义词：1,2,4-三唑 · 1,2,4-Triazole
所属分类：医药中间体
1,2,4-三唑 的 CAS 登记号为 288-88-0。
分子式 C2H3N3，分子量 69.07。
别名/同义词：1,2,4-三唑、1,2,4-Triazole。
登记用途：Uses: Used in organic synthesis、[IUCLID]、Intermediate、Use Classification: Environmental transformation -> Pesticide transformation products (metabolite、successor)、Industry Uses: Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: 1、2、4-Triazole is made by reaction between hydrazine and formamide. Distillation.、U.S. Production: 2023: 5、500、000 - <7、000、000 lb、2022: 7、000 - <8、2021: 4、000 - <5、2020: 4、1H-1、4-Triazole is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and、or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B、51FR21438).、Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#7598]、Production volume for non-confidential chemicals reported under the 2006 Inventory Update Rule. Chemical: 1H-1、4-Triazole. Aggregated National Production Volume: 1 to < 10 million lbs.、General Manufacturing Information: Pesticide、Fertilizer、and Other Agricultural Chemical Manufacturing、4-Triazole: ACTIVE。
所属分类：医药中间体。
1,2,4-三唑（CAS 288-88-0）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 288-88-0 |
|---|---|
| PubChem CID | 9257 |
| Molecular formula | C2H3N3 |
| IUPAC name | 1H-1,2,4-triazole |
| UNII (FDA) | 10MS0Y1RDI |
| Molecular Weight | 69.07 |
|---|---|
| XLogP3 | -0.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 69.032697108 |
| Monoisotopic Mass | 69.032697108 |
| Topological Polar Surface Area | 41.6 |
| Heavy Atom Count | 5 |
| Boiling Point | 260 °C (decomposes) |
|---|---|
| Boiling Point | 260 °C |
| Melting Point | 120-121 °C |
| Flash Point | 170 °C closed cup |
| Flash Point | 170 °C c.c. |
| Density | 640 kg/m³ |
| Vapor Pressure | 0.6 [mmHg] |
| LogP | log Kow = -0.58 |
| LogP | -0.6 |
| LogP | -0.58 |
1,2,4-TRIAZOLE; 1H-1,2,4-Triazole; 288-88-0; Pyrrodiazole; s-Triazole; DTXSID6027131; 10MS0Y1RDI; NSC-83128; DTXCID207131; CHEBI:35550; RefChem:908322; CHEBI:35560; 206-022-9; 4H-1,2,4-triazole; 63598-71-0; 1,2,4-1H-Triazole
| Reported hazard statements | H302, H319, H361 (42.3%), H412 (10.6%), H360, H402, H313 |
|---|
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
1,2,4-Triazole · CAS 288-88-0 · C2H3N3. UNII 10MS0Y1RDI. Boiling Point: 260 °C (decomposes); Boiling Point: 260 °C; Melting Point: 120-121 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 1,2,4-Triazole