trimethylarsine oxide
Also known as: trimethylarsinoxide, trimethylarsane oxide, Arsine oxide, trimethyl-, Arsine oxide,trimethyl- (7CI,8CI,9CI), dimethylarsorylmethane, trimethyl-arsine oxide, Trimethylarsenoxid, Trimethylarsinoxid, (CH3)3As=O
trimethylarsine oxide (CAS 4964-14-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9AsO and a molecular weight of 136.02500 g/mol. Key properties include a boiling point of 170.7ºC at 760 mmHg and a flash point of 56.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4964-14-1
- Jingsj CID
- J-13408-7
- Molecular Formula
- C3H9AsO
- Molecular Weight
- 136.02500 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 170.7ºC at 760 mmHg |
|---|---|
| Flash Point | 56.4ºC |
| Exact Mass | 135.98700 |
| PSA | 17.07000 |
| LogP | 1.25180 |
Frequently Asked Questions
What is the CAS number of trimethylarsine oxide?
The CAS number of trimethylarsine oxide is 4964-14-1.
What are the molecular formula and molecular weight of trimethylarsine oxide?
trimethylarsine oxide has molecular formula C3H9AsO and molecular weight 136.02500 g/mol.
What are the upstream and downstream products of trimethylarsine oxide?
For trimethylarsine oxide, Upstream Products: trimethylarsine, iodomethane, Methanol; Downstream Products: Arsenobetaine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trimethylarsine oxide (CAS 4964-14-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13408-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.