2,2,4-Trimethyl-1,3-pentanediol

2,2,4-三甲基-1,3-戊二醇

Also known as: TMPD, 2,2,4-Trimethylpentane-1,3-diol, 1,3-Pentanediol,2,2,4-trimethyl-, 2,2,4-Trimethyl-1,3-pentylene glycol

2,2,4-Trimethyl-1,3-pentanediol (CAS 144-19-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H18O2 and a molecular weight of 146.227 g/mol. It is also known as TMPD, 2,2,4-Trimethylpentane-1,3-diol and 1,3-Pentanediol,2,2,4-trimethyl-. Key properties include a melting point of 50-53 °C(lit.), a boiling point of 232.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 92.7±13.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
144-19-4
Jingsj CID
J-1510447-2
Molecular Formula
C8H18O2
Chinese Name
2,2,4-三甲基-1,3-戊二醇
Molecular Weight
146.227 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point50-53 °C(lit.)
Boiling Point232.0±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point92.7±13.0 °C
Exact Mass146.130676
PSA40.46000
LogP0.88
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.450

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2905399090
Summary2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 2,2,4-Trimethyl-1,3-pentanediol?

The CAS number of 2,2,4-Trimethyl-1,3-pentanediol is 144-19-4.

What are the molecular formula and molecular weight of 2,2,4-Trimethyl-1,3-pentanediol?

2,2,4-Trimethyl-1,3-pentanediol has molecular formula C8H18O2 and molecular weight 146.227 g/mol.

Is 2,2,4-Trimethyl-1,3-pentanediol hazardous?

2,2,4-Trimethyl-1,3-pentanediol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 2,2,4-Trimethyl-1,3-pentanediol?

For 2,2,4-Trimethyl-1,3-pentanediol, Upstream Products: Isobutyraldehyde, 3-Chloro-2-methyl-1-propene, 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate; Downstream Products: 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate, Methanol, 2-Methyl-1-propanol.

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

Last updated:

How to cite: Jingsj. "2,2,4-Trimethyl-1,3-pentanediol (CAS 144-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510447-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.