Metribuzin (CAS 21087-64-9) — formula C8H14N4OS, molecular weight 214.29; category fertilizers.
Metribuzin (CAS 21087-64-9) is a chemical raw material in the fertilizers category. Its molecular formula C8H14N4OS comprises 8 C, 14 H, 4 N, 1 O, 1 S atoms. Its molecular weight is about 214.29. Reported physicochemical data: melting point around 257 °F (NIOSH, 2024), boiling point around 132 °C @ 2 Pa, LogP about 1.7. 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 | 21087-64-9 |
|---|---|
| Molecular Formula | C8H14N4OS |
| Molecular Weight | 214.29 |
| Melting Point | 257 °F (NIOSH, 2024) |
| Boiling Point | 132 °C @ 2 Pa |
| LogP | 1.7 |
| Applications | Metribuzin is a herbicide used to control weeds in alfalfa, asparagus, barley, carrots, corn, peas |
| Category | Fertilizers |
Documented applications: Metribuzin is a herbicide used to control weeds in alfalfa, asparagus, barley, carrots, corn, peas.
Metribuzin is a fertilizer compound with CAS registry number 21087-64-9 and molecular formula C8H14N4OS (molecular weight 214.29), belonging to the fertilizers segment of chemical raw materials.
CAS number: 21087-64-9
Its molecular formula C8H14N4OS comprises 8 C, 14 H, 4 N, 1 O, 1 S atoms.
Also known as: Metribuzin · 赛克津
Category: fertilizers
The CAS registry number of Metribuzin is 21087-64-9.
Molecular formula C8H14N4OS, molecular weight 214.29.
It is also registered under: Metribuzin, 赛克津.
Recorded applications: Metribuzin is a herbicide used to control weeds in alfalfa, asparagus, barley, carrots, corn, peas.
Category: Fertilizers.
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 Metribuzin (CAS 21087-64-9), compiled from public chemistry databases.
| CAS Registry Number | 21087-64-9 |
|---|---|
| PubChem CID | 30479 |
| Molecular formula | C8H14N4OS |
| IUPAC name | 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one |
| UNII (FDA) | QO836138OV |
| Molecular Weight | 214.29 |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 214.08883226 |
| Monoisotopic Mass | 214.08883226 |
| Topological Polar Surface Area | 96.4 |
| Heavy Atom Count | 14 |
| Boiling Point | 132 °C @ 2 Pa |
|---|---|
| Melting Point | 257 °F (NIOSH, 2024) |
| Melting Point | 126.2 °C |
| Melting Point | 125 °C |
| Melting Point | 257 °F |
| Solubility | 0.1 % (NIOSH, 2024) |
| Solubility | In water, 1.05X10+3 mg/l @ 20 °C |
| Solubility | 0.1% |
| Density | 1.28 @ 20 °C/4 °C |
| Density | 1.28 g/cm³ |
METRIBUZIN; 21087-64-9; Lexone; Sencor; Metribuzine; Sencorex; Zenkor; Sencoral; Senkor; Lexone DF; Sencor DF; Lexone 4L; Sencor 4F; Sencorer; Bayer 6159H; Bayer 6443H
| Reported hazard statements | H302, H373, H400, H410, H331 (23.6%), H303 |
|---|
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
Metribuzin · CAS 21087-64-9 · C8H14N4OS. UNII QO836138OV. Boiling Point: 132 °C @ 2 Pa; Melting Point: 257 °F (NIOSH, 2024); Melting Point: 126.2 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 赛克津