1,1,1-tris(hydroxymethyl)ethane

Also known as: 1,1,1-Tri(hydroxymethyl)ethane, 1,1,1-Tris(methylol)ethane, 1,1,1-tris(hydroxymethyl)-ethan, 1,3-Propanediol, 2-(hydroxymethyl)-2-methyl-, 2,2-bis(hydroxymethyl)-1-propanol, 2,2-di(hydroxymethyl)propanol, 2-(Hydroxymethyl)-2-methyl-1,3-propanediol, 2-(hydroxymethyl)-2-methyl-3-propanediol, 2-(hydroxymethyl)-2-methylpropane-1,3-diol, 2-Hydroxymethyl-2-methyl-1,3-propanediol, 2-METHYL-2-HYDROXYMETHYL-1,3-PROPANEDIOL, EINECS 201-063-9, MFCD00004687, Trimethylolethane, TME

1,1,1-tris(hydroxymethyl)ethane (CAS 77-85-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H12O3 and a molecular weight of 120.147 g/mol. Key properties include a melting point of 193-195 °C(lit.), a boiling point of 286.7±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 145.5±16.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 77-85-0
Jingsj CID: J-8849-9
Molecular Formula: C₅H₁₂O₃
Molecular Weight: 120.147 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	193-195 °C(lit.)
Boiling Point	286.7±20.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	145.5±16.4 °C
Exact Mass	120.078644
PSA	60.69000
LogP	-1.38
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.487
Additional Property	soluble

Customs & Trade Information

HS Code	29054910

Frequently Asked Questions

What is the CAS number of 1,1,1-tris(hydroxymethyl)ethane?

The CAS number of 1,1,1-tris(hydroxymethyl)ethane is 77-85-0.

What are the molecular formula and molecular weight of 1,1,1-tris(hydroxymethyl)ethane?

1,1,1-tris(hydroxymethyl)ethane has molecular formula C5H12O3 and molecular weight 120.147 g/mol.

What are the upstream and downstream products of 1,1,1-tris(hydroxymethyl)ethane?

For 1,1,1-tris(hydroxymethyl)ethane, Upstream Products: (2,2,5-trimethyl-1,3-dioxan-5-yl)methanol, Formaldehyde, Propionaldehyde; Downstream Products: 1,1,1-Tris(chloromethyl)ethane, (5-Methyl-1,3-dioxan-5-yl)methanol, (2,2,5-trimethyl-1,3-dioxan-5-yl)methanol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,1,1-tris(hydroxymethyl)ethane (CAS 77-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8849-9 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.