4-(Dimethylamino)cinnamic acid

4-二甲基氨基肉桂酸

Also known as: (2E)-3-[4-(Dimethylamino)phenyl]acrylic acid, (E)-3-(4-Dimethylaminophenyl)prop-2-enoic acid, p-Dimethylaminocinnamic acid, N,N-Dimethylaminocinnamic acid, EINECS 216-299-8, MFCD00004397

4-(Dimethylamino)cinnamic acid (CAS 1552-96-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13NO2 and a molecular weight of 191.226 g/mol. It is also known as (2E)-3-[4-(Dimethylamino)phenyl]acrylic acid, (E)-3-(4-Dimethylaminophenyl)prop-2-enoic acid and p-Dimethylaminocinnamic acid. Key properties include a melting point of 227-228 °C (dec.)(lit.), a boiling point of 360.3±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 171.7±23.2 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1552-96-1
Jingsj CID
J-4957-5
Molecular Formula
C11H13NO2
Chinese Name
4-二甲基氨基肉桂酸
Molecular Weight
191.226 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point227-228 °C (dec.)(lit.)
Boiling Point360.3±25.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point171.7±23.2 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-(Dimethylamino)cinnamic acid?

The CAS number of 4-(Dimethylamino)cinnamic acid is 1552-96-1.

What are the molecular formula and molecular weight of 4-(Dimethylamino)cinnamic acid?

4-(Dimethylamino)cinnamic acid has molecular formula C11H13NO2 and molecular weight 191.226 g/mol.

Is 4-(Dimethylamino)cinnamic acid hazardous?

4-(Dimethylamino)cinnamic acid 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. "4-(Dimethylamino)cinnamic acid (CAS 1552-96-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4957-5 (accessed 2026-10-22).

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