Metazachlor
Also known as: 2-chloro-N-(2,6-dimethylphenyl)-N-(1H-pyrazol-1-ylmethyl)acetamide, 2-chloro-N-(pyrazol-1-ylmethyl)acet-2',6'-xylidide, Butisan, BAS 47900H
Metazachlor (CAS 67129-08-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C14H16ClN3O and a molecular weight of 277.74900 g/mol. Key properties include a melting point of 74-78°C, a boiling point of 439.2ºC at 760 mmHg, a density of 1.19 g/cm3 and a flash point of 2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H351 — Suspected of causing cancer and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 67129-08-2
- Jingsj CID
- J-33732-6
- Molecular Formula
- C14H16ClN3O
- Molecular Weight
- 277.74900 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 74-78°C |
|---|---|
| Boiling Point | 439.2ºC at 760 mmHg |
| Density | 1.19 g/cm3 |
| Flash Point | 2 °C |
| Exact Mass | 277.09800 |
| PSA | 38.13000 |
| LogP | 2.72940 |
| Refractive Index | 1.586 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H351 — Suspected of causing cancer
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Target | IC50: synthesis of long chain fatty acids[1] |
|---|---|
| Additional Information | [1]. Christiane Wiemann, et al. Metazachlor: Mode of action analysis for rat liver tumour formation and human relevance. Toxicology. 2019 Oct 1;426:152282. |
Frequently Asked Questions
What is the CAS number of Metazachlor?
The CAS number of Metazachlor is 67129-08-2.
What are the molecular formula and molecular weight of Metazachlor?
Metazachlor has molecular formula C14H16ClN3O and molecular weight 277.74900 g/mol.
Is Metazachlor hazardous?
Metazachlor has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H351 — Suspected of causing cancer; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of Metazachlor?
For Metazachlor, Upstream Products: Pyrazole; Downstream Products: Pyrazole, 4,4'-Methylenebis(2,6-dimethylaniline), 2-Chloro-N-(2,6-dimethylphenyl)acetamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Metazachlor (CAS 67129-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33732-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.