Propyl gallate
Also known as: Gallic acid propyl ester, n-Propyl gallate, Propyl 3,4,5-trihydroxybenzoate, Tenox PG, Nipanox S 1, Progallin P, Sustane PG, FEMA 2947, Nipa 49
Propyl gallate (CAS 121-79-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O5 and a molecular weight of 212.199 g/mol. Key properties include a melting point of 146-149 °C(lit.), a boiling point of 448.6±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 181.3±20.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. It is listed by 1 supplier, from 0.57 to 24.90 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 121-79-9
- Jingsj CID
- J-1993656-9
- Molecular Formula
- C10H12O5
- Molecular Weight
- 212.199 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥285.00 | $0.09 /gBest ¥0.57/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥69.00 | $0.1 /g ¥0.69/g CNY | CN China MOQ 100g | |
In Stock | 分析标准品 250mg | ¥360.00 | $0.22 /mg ¥1.44/mg CNY | CN China MOQ 250mg |
Physicochemical Properties
| Melting Point | 146-149 °C(lit.) |
|---|---|
| Boiling Point | 448.6±40.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 181.3±20.8 °C |
| Exact Mass | 212.068466 |
| PSA | 86.99000 |
| LogP | 2.60 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.596 |
| Additional Property | 0.35 g/100 mL (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
Activity & Biological Data
| Additional Information | [1]. Cui H, et al. Dual effects of propyl gallate and its methylglyoxal adduct on carbonyl stress and oxidative stress. Food Chem. 2018 Nov 1;265:227-232. [2]. Wang J, et al. Scavenging of Acrolein by Food-Grade Antioxidant Propyl Gallate in a Model Reaction System and Cakes. J Agric Food Chem. 2019 Aug 7;67(31):8520-8526. |
|---|
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Propyl gallate?
The CAS number of Propyl gallate is 121-79-9.
What are the molecular formula and molecular weight of Propyl gallate?
Propyl gallate has molecular formula C10H12O5 and molecular weight 212.199 g/mol.
Which suppliers offer Propyl gallate?
1 supplier(s) listed; reference unit price ¥0.57–24.90 /g.
Is Propyl gallate hazardous?
Propyl gallate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of Propyl gallate?
For Propyl gallate, Upstream Products: Gallic acid, 1-Butanol, 1-Propanol; Downstream Products: Gallic acid, 1-Propanol, 3,4,5-Tris(benzyloxy)benzyl alcohol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Propyl gallate (CAS 121-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993656-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.