4-甲基噻唑（CAS 693-95-8）：分子式 C4H5NS、分子量 99.16。
| CAS号 | 693-95-8 |
|---|---|
| 分子式 | C4H5NS |
| 分子量 | 99.16 |
| 沸点 | 132 °C @ 743 MM HG |
| LogP | 0.97 |
| 应用领域 | Uses: Used as a research chemical and as a chemical intermediate for 4-Cyanothiazole、Reportedly found naturally in certain foods、[HSDB] Used as a flavoring agent、[JECFA]、RESEARCH CHEMICAL、CHEM INT FOR 4-CYANOTHIAZOLE、Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Methods of Manufacturing: PROBABLY BY REACTION OF THIOFORMAMIDE WITH 1-CHLOROPROPANONE、U.S. Production: (1979) No Data、(1981) No Data、U.S. Imports: (1979) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Thiazole、4-methyl-: ACTIVE |
登记用途：Uses: Used as a research chemical and as a chemical intermediate for 4-Cyanothiazole、Reportedly found naturally in certain foods、[HSDB] Used as a flavoring agent、[JECFA]、RESEARCH CHEMICAL、CHEM INT FOR 4-CYANOTHIAZOLE、Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Methods of Manufacturing: PROBABLY BY REACTION OF THIOFORMAMIDE WITH 1-CHLOROPROPANONE、U.S. Production: (1979) No Data、(1981) No Data、U.S. Imports: (1979) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Thiazole、4-methyl-: ACTIVE。
4-甲基噻唑 是一种化工化合物，登记 CAS 号为 693-95-8，分子式 C4H5NS（分子量 99.16）。
登记 CAS 号：693-95-8
其分子式 C4H5NS 由 4 个碳、5 个氢、1 个氮、1 个硫 组成。
别名/同义词：4-甲基噻唑 · 4-methylthiazole
4-甲基噻唑 的 CAS 登记号为 693-95-8。
分子式 C4H5NS，分子量 99.16。
别名/同义词：4-甲基噻唑、4-methylthiazole。
登记用途：Uses: Used as a research chemical and as a chemical intermediate for 4-Cyanothiazole、Reportedly found naturally in certain foods、[HSDB] Used as a flavoring agent、[JECFA]、RESEARCH CHEMICAL、CHEM INT FOR 4-CYANOTHIAZOLE、Use Classification: Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes、Flavoring Agents -> JECFA Flavorings Index、Methods of Manufacturing: PROBABLY BY REACTION OF THIOFORMAMIDE WITH 1-CHLOROPROPANONE、U.S. Production: (1979) No Data、(1981) No Data、U.S. Imports: (1979) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Thiazole、4-methyl-: ACTIVE。
4-甲基噻唑（CAS 693-95-8）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 693-95-8 |
|---|---|
| PubChem CID | 12748 |
| Molecular formula | C4H5NS |
| Molecular weight | 99.01 g/mol |
| IUPAC name | 4-methyl-1,3-thiazole |
| InChIKey | QMHIMXFNBOYPND-UHFFFAOYSA-N |
| UNII (FDA) | X8S174990R |
| ChEBI ID | CHEBI:35626 |
| FEMA number | 3716 |
| JECFA number | 1043 |
| Molecular Weight | 99.16 |
|---|---|
| XLogP3 | 1 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 99.01427034 |
| Monoisotopic Mass | 99.01427034 |
| Topological Polar Surface Area | 41.1 |
| Heavy Atom Count | 6 |
| Boiling Point | 132 °C @ 743 MM HG |
|---|---|
| Boiling Point | 133.00 to 134.00 °C. @ 760.00 mm Hg |
| Boiling Point | 133-134 °C |
| Density | 1.112 @ 25 MM HG |
| Density | 1.088-1.092 |
| Vapor Pressure | 8.6 [mmHg] |
| LogP | 0.97 |
| Refractive Index | 1.519-1.528 |
4-METHYLTHIAZOLE; 693-95-8; 4-Methyl-1,3-thiazole; Thiazole, 4-methyl-; FEMA No. 3716; DTXSID5027300; CHEBI:35626; NSC-42976; X8S174990R; DTXCID307300; RefChem:99952; 211-764-1; 4-methyl thiazole; 4-Methyl-Thiazole; MFCD00005340; CHEMBL1566946
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Green, Nut, Roasted Meat No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H226 (13.8%), H302 (99.6%), H315 (13.6%), H319 (10.6%) |
|---|
H226 (13.8%): Flammable liquid and vapor [Warning Flammable liquids]
H302 (99.6%): Harmful if swallowed [Warning Acute toxicity, oral]
4-methylthiazole is identified by CAS 693-95-8, molecular formula C4H5NS and molecular weight 99.01 g/mol. UNII X8S174990R; ChEBI 35626; InChIKey QMHIMXFNBOYPND-UHFFFAOYSA-N. Boiling Point: 132 °C @ 743 MM HG; Boiling Point: 133.00 to 134.00 °C. @ 760.00 mm Hg; Boiling Point: 133-134 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 4-methylthiazole