Trimethylolpropane
Also known as: 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,1,1-Tris(hydroxymethyl)propane, TMP, 2-ethyl-2-(hydroxymethyl)propane-1,3-diol, propylidynetrimethanol, Trimethylol propane, 2,2-Dimethylolbutanol
Trimethylolpropane (CAS 77-99-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H14O3 and a molecular weight of 134.17500 g/mol. Key properties include a melting point of 56-58 °C(lit.), a boiling point of 49.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of -32.0±15.3 °C. It is listed by 1 supplier, from 0.39 to 172.40 CNY. Record last updated Nov 2, 2026.
- CAS No.
- 77-99-6
- Jingsj CID
- J-3050-8
- Molecular Formula
- C6H14O3
- Molecular Weight
- 134.17500 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 100g | ¥39.00 | $0.06 /gBest ¥0.39/g CNY | CN China MOQ 100g | |
In Stock | >98.0%(GC) 500g | ¥202.50 | $0.06 /g ¥0.41/g CNY | CN China MOQ 500g | |
In Stock | >98.0%(GC) 25g | ¥94.50 | $0.57 /g ¥3.78/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 56-58 °C(lit.) |
|---|---|
| Boiling Point | 49.0±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | -32.0±15.3 °C |
| Exact Mass | 58.041866 |
| PSA | 60.69000 |
| LogP | -0.24 |
| Additional Property | 4.8 (vs air) |
| Vapor Pressure | 317.0±0.0 mmHg at 25°C |
| Refractive Index | 1.412 |
| Additional Property | soluble |
Customs & Trade Information
| HS Code | 2905410000 |
|---|
Frequently Asked Questions
What is the CAS number of Trimethylolpropane?
The CAS number of Trimethylolpropane is 77-99-6.
What are the molecular formula and molecular weight of Trimethylolpropane?
Trimethylolpropane has molecular formula C6H14O3 and molecular weight 134.17500 g/mol.
Which suppliers offer Trimethylolpropane?
1 supplier(s) listed; reference unit price ¥0.39–172.40 /g.
What are the upstream and downstream products of Trimethylolpropane?
For Trimethylolpropane, Upstream Products: Butyraldehyde, 2-Ethylacrolein, Formaldehyde; Downstream Products: Trimethylolpropane trimethacrylate, Trimethylolpropane tristearate, 2-Ethylacrolein.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylolpropane (CAS 77-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3050-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.