Erythorbic acid
Also known as: D-isoascorbic acid, Isoascorbic acid, Isovitamin C, D-araboascorbic acid, Araboascorbic acid, D-erythro-3-ketohexonic acid lactone, 2,3-didehydro-D-erythro-hexono-1,4-lactone, 3-keto-D-erythro-hexonic acid gamma-lactone, MFCD00005378, EINECS 201-928-0, FEMA 2410
Erythorbic acid (CAS 89-65-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O6 and a molecular weight of 176.124 g/mol. Key properties include a melting point of 167-172ºC, a boiling point of 552.7±50.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 238.2±23.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier, from 0.73 to 248.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 89-65-6
- Jingsj CID
- J-31543-6
- Molecular Formula
- C6H8O6
- Molecular Weight
- 176.124 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 500g | ¥365.00 | $0.11 /gBest ¥0.73/g CNY | CN China MOQ 500g | |
In Stock | 99% 100g | ¥80.00 | $0.12 /g ¥0.80/g CNY | CN China MOQ 100g | |
In Stock | >98.0%(T) 500g | ¥448.20 | $0.13 /g ¥0.90/g CNY | CN China MOQ 500g |
Physicochemical Properties
| Melting Point | 167-172ºC |
|---|---|
| Boiling Point | 552.7±50.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 238.2±23.6 °C |
| Exact Mass | 176.032089 |
| PSA | 107.22000 |
| LogP | -2.41 |
| Vapor Pressure | 0.0±3.4 mmHg at 25°C |
| Refractive Index | 1.711 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Erythorbic acid?
The CAS number of Erythorbic acid is 89-65-6.
What are the molecular formula and molecular weight of Erythorbic acid?
Erythorbic acid has molecular formula C6H8O6 and molecular weight 176.124 g/mol.
Which suppliers offer Erythorbic acid?
1 supplier(s) listed; reference unit price ¥0.73–248.00 /g.
Is Erythorbic acid hazardous?
Erythorbic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Erythorbic acid?
For Erythorbic acid, Upstream Products: D-arabino-2-hexulosonic acid, Water, Methanol; Downstream Products: (-)-2,3-O-Isopropylidene-D-erythronolactone, Sodium oxalate, D-Erythronolactone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Erythorbic acid (CAS 89-65-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31543-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.