4,4'-Dimethylbenzoin
Also known as: Ethanone,2-hydroxy-1,2-bis(4-methylphenyl)-, 2-Hydroxy-1,2-bis(4-methylphenyl)ethanone, 1,2-Bis(4-methylphenyl)-2-hydroxyethanone, Toluoin, p-Toluoin, α-(4-Methylphenyl)-α-hydroxy-4'-methylacetophenone, MFCD00008555, (±)-2-hydroxy-1,2-bis(4-methylphenyl)ethan-1-one
4,4'-Dimethylbenzoin (CAS 1218-89-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H16O2 and a molecular weight of 240.29700 g/mol. Key properties include a melting point of 88°C, a boiling point of 210 °C / 1mmHg, a density of 1.13g/cm3 and a flash point of 170.5ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1218-89-9
- Jingsj CID
- J-1517280-2
- Molecular Formula
- C16H16O2
- Molecular Weight
- 240.29700 g/mol
- Category
- Organic Compounds
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 88°C |
|---|---|
| Boiling Point | 210 °C / 1mmHg |
| Density | 1.13g/cm3 |
| Flash Point | 170.5ºC |
| Exact Mass | 240.11500 |
| PSA | 37.30000 |
| LogP | 3.21970 |
| Vapor Pressure | 6.66E-08mmHg at 25°C |
| Refractive Index | 1.592 |
Customs & Trade Information
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4,4'-Dimethylbenzoin?
The CAS number of 4,4'-Dimethylbenzoin is 1218-89-9.
What are the molecular formula and molecular weight of 4,4'-Dimethylbenzoin?
4,4'-Dimethylbenzoin has molecular formula C16H16O2 and molecular weight 240.29700 g/mol.
What are the upstream and downstream products of 4,4'-Dimethylbenzoin?
For 4,4'-Dimethylbenzoin, Upstream Products: 4,4'-dimethylbenzil, p-Tolualdehyde, 4,4'-Dimethylbenzophenone; Downstream Products: Dimethyl sulfide, 4,4'-dimethylbenzil, 4-Methylbenzyl alcohol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Dimethylbenzoin (CAS 1218-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517280-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.