(-)-Gallocatechin gallate
没食子儿茶素没食子酸酯
Also known as: (-)-Gallocatechin 3-O-gallate, (-)-gallocatecholgallate, GCG, Gallowchatechin gallate, Gallocatechol gallate, (-)-gallocatechin-3-O-gallate, Chinensioside B, (2S,3R)-5,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl 3,4,5-trihydroxybenzoate, Gallic acid, catechin gallate
(-)-Gallocatechin gallate (CAS 4233-96-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H18O11 and a molecular weight of 458.372 g/mol. It is also known as (-)-Gallocatechin 3-O-gallate, (-)-gallocatecholgallate and GCG. Key properties include a boiling point of 909.1±65.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 320.0±27.8 °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.
- 4233-96-9
- Jingsj CID
- J-10842-5
- Molecular Formula
- C22H18O11
- Chinese Name
- 没食子儿茶素没食子酸酯
- Molecular Weight
- 458.372 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 909.1±65.0 °C at 760 mmHg |
|---|---|
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 320.0±27.8 °C |
| Exact Mass | 458.084900 |
| PSA | 197.37000 |
| LogP | 2.08 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.857 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Zhang LQ, et al. Accumulation of catechins and expression of catechin synthetic genes in Camellia sinensis at different developmental stages. Bot Stud. 2016 Dec;57(1):31. [2]. Zhou H, et al. C-geranylated flavanones from YingDe black tea and their antioxidant and α-glucosidase inhibition activities. Food Chem. 2017 Nov 15;235:227-233. |
|---|
Frequently Asked Questions
What is the CAS number of (-)-Gallocatechin gallate?
The CAS number of (-)-Gallocatechin gallate is 4233-96-9.
What are the molecular formula and molecular weight of (-)-Gallocatechin gallate?
(-)-Gallocatechin gallate has molecular formula C22H18O11 and molecular weight 458.372 g/mol.
Is (-)-Gallocatechin gallate hazardous?
(-)-Gallocatechin gallate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(-)-Gallocatechin gallate (CAS 4233-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10842-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.