4,5-Dimethylthiazole (CAS 3581-91-7) — formula C5H7NS, molecular weight 113.18; category organic chemicals.
4,5-Dimethylthiazole (CAS 3581-91-7) is a chemical raw material in the organic chemicals category. Its molecular formula C5H7NS comprises 5 C, 7 H, 1 N, 1 S atoms. Its molecular weight is about 113.18. Reported physicochemical data: melting point around 83 - 84 °C, boiling point around 157.00 to 159.00 °C. @ 760.00 mm Hg, LogP about 1.8. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3581-91-7 |
|---|---|
| Molecular Formula | C5H7NS |
| Molecular Weight | 113.18 |
| Melting Point | 83 - 84 °C |
| Boiling Point | 157.00 to 159.00 °C. @ 760.00 mm Hg |
| LogP | 1.8 |
| Applications | Flavouring Agent, Flavoring Agents |
| Category | Organic Chemicals |
Documented applications: Flavouring Agent, Flavoring Agents.
4,5-Dimethylthiazole is a carbon-based organic compound with CAS registry number 3581-91-7 and molecular formula C5H7NS (molecular weight 113.18), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3581-91-7
Its molecular formula C5H7NS comprises 5 C, 7 H, 1 N, 1 S atoms.
Also known as: 4,5-Dimethylthiazole · 4,5-二甲基噻唑
Category: organic chemicals
The CAS registry number of 4,5-Dimethylthiazole is 3581-91-7.
Molecular formula C5H7NS, molecular weight 113.18.
It is also registered under: 4,5-Dimethylthiazole, 4,5-二甲基噻唑.
Recorded applications: Flavouring Agent, Flavoring Agents.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 4,5-Dimethylthiazole (CAS 3581-91-7), compiled from public chemistry databases.
| CAS Registry Number | 3581-91-7 |
|---|---|
| PubChem CID | 62510 |
| Molecular formula | C5H7NS |
| IUPAC name | 4,5-dimethyl-1,3-thiazole |
| UNII (FDA) | U3RP5I088G |
| FEMA number | 3274 |
| JECFA number | 1035 |
| Molecular Weight | 113.18 |
|---|---|
| XLogP3 | 1.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 113.02992040 |
| Monoisotopic Mass | 113.02992040 |
| Topological Polar Surface Area | 41.1 |
| Heavy Atom Count | 7 |
| Boiling Point | 157.00 to 159.00 °C. @ 760.00 mm Hg |
|---|---|
| Boiling Point | 158 °C (742 mm Hg) |
| Melting Point | 83 - 84 °C |
| Density | 1.067-1.072 |
| Refractive Index | 1.516-1.524 |
4,5-DIMETHYLTHIAZOLE; 3581-91-7; 4,5-Dimethyl-1,3-thiazole; Thiazole, 4,5-dimethyl-; 4,5-dimethyl thiazole; FEMA No. 3274; EINECS 222-703-3; BRN 0105694; U3RP5I088G; DTXSID40189348; 4-27-00-00986 (Beilstein Handbook Reference); 4,5-DIMETHYL THIAZOLE [FHFI]; RefChem:507854; DTXCID70111839; 222-703-3; 4,5-dimethyl-thiazole
| Regulatory & Food Contact | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Green, Nut, Roast, Roasted No safety concern at current levels of intake when used as a flavouring agent |
|---|
| Reported hazard statements | H302 (98.1%) |
|---|
H302 (98.1%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
4,5-Dimethylthiazole · CAS 3581-91-7 · C5H7NS. UNII U3RP5I088G. Boiling Point: 157.00 to 159.00 °C. @ 760.00 mm Hg; Boiling Point: 158 °C (742 mm Hg); Melting Point: 83 - 84 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 4,5-二甲基噻唑