3-Butylidenephthalide

3-正丁烯基苯酞

Also known as: N-BUTYLIDENEPHTHALIDE, 3-BUTYLIDENEPHTHALIDE, Butylidene phthalide, (Z)-3-butylidenephthalide, 1(3H)-Isobenzofuranone, 3-butylidene-, 3-Butylidene Phthalide, MFCD00047319, EINECS 208-991-3

3-Butylidenephthalide (CAS 551-08-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H12O2 and a molecular weight of 188.223 g/mol. It is also known as N-BUTYLIDENEPHTHALIDE, 3-BUTYLIDENEPHTHALIDE and Butylidene phthalide. Key properties include a boiling point of 312.0±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 127.9±23.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
551-08-6
Jingsj CID
J-15958-8
Molecular Formula
C12H12O2
Chinese Name
3-正丁烯基苯酞
Molecular Weight
188.223 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point312.0±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point127.9±23.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Butylidenephthalide?

The CAS number of 3-Butylidenephthalide is 551-08-6.

What are the molecular formula and molecular weight of 3-Butylidenephthalide?

3-Butylidenephthalide has molecular formula C12H12O2 and molecular weight 188.223 g/mol.

Is 3-Butylidenephthalide hazardous?

3-Butylidenephthalide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-Butylidenephthalide (CAS 551-08-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15958-8 (accessed 2026-10-23).

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