1,3-diisopropenylbenzene

Also known as: 1,3-Bis(isopropenyl)benzene, 1,3-DIISOPROPENYLBENZENE, 1,3-DIISOPROPENYLBENZENE 95+%, 1,3-Diisopropenylbenzene, 1,3-Diisopropenylbenzene (stabilized with TBC), 1,3-bis(1-methylethenyl)-benzen, 1,3-bis(prop-1-en-2-yl)benzene, 1,3-di(prop-1-en-2-yl)benzene, Benzene, 1,3-bis(1-methylethenyl)-, EINECS 223-146-9, M-DIISOPROPENYL BENZENE, META-DIISOPROPENYLBENZENE, MFCD00008584

1,3-diisopropenylbenzene (CAS 3748-13-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14 and a molecular weight of 158.240 g/mol. Key properties include a boiling point of 231.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 91.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3748-13-8
Jingsj CID: J-35676-3
Molecular Formula: C₁₂H₁₄
Molecular Weight: 158.240 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	231.0±0.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	91.1±0.0 °C
Exact Mass	158.109543
LogP	4.29
Vapor Pressure	0.1±0.2 mmHg at 25°C
Refractive Index	1.516

Customs & Trade Information

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,3-diisopropenylbenzene?

The CAS number of 1,3-diisopropenylbenzene is 3748-13-8.

What are the molecular formula and molecular weight of 1,3-diisopropenylbenzene?

1,3-diisopropenylbenzene has molecular formula C12H14 and molecular weight 158.240 g/mol.

What are the upstream and downstream products of 1,3-diisopropenylbenzene?

For 1,3-diisopropenylbenzene, Upstream Products: alpha,alpha'-dihydroxy-1,3-diisopropylbenzene; Downstream Products: 1,3-Diisopropylbenzene, 1,3-Bis(1-isocyanato-1-methylethyl)benzene, 1,3-diacetylbenzene.

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. "1,3-diisopropenylbenzene (CAS 3748-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35676-3 (accessed 2026-11-09).

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