3,4,5-Trihydroxybenzaldehyde monohydrate
3,4,5-三羟基苯甲醛一水合物
Also known as: 3,4,5-Trihydroxybenzaldehyde hydrate (1:1), Gallaldehyde monohydrate, 3,4,5-Trihydroxybenzaldehyde hydrate, Benzaldehyde, 3,4,5-trihydroxy-, hydrate (1:1), MFCD00149124
3,4,5-Trihydroxybenzaldehyde monohydrate (CAS 207742-88-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H8O5 and a molecular weight of 172.135 g/mol. It is also known as 3,4,5-Trihydroxybenzaldehyde hydrate (1:1), Gallaldehyde monohydrate and 3,4,5-Trihydroxybenzaldehyde hydrate. Key properties include a melting point of 218 °C (dec.), a boiling point of 453.2ºC at 760 mmHg and a flash point of 227.9ºC. 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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 207742-88-9
- Jingsj CID
- J-42817-2
- Molecular Formula
- C7H8O5
- Chinese Name
- 3,4,5-三羟基苯甲醛一水合物
- Molecular Weight
- 172.135 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 218 °C (dec.) |
|---|---|
| Boiling Point | 453.2ºC at 760 mmHg |
| Flash Point | 227.9ºC |
| Exact Mass | 172.037170 |
| PSA | 86.99000 |
| LogP | 0.55160 |
| Vapor Pressure | 5.29E-09mmHg at 25°C |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 3,4,5-Trihydroxybenzaldehyde monohydrate?
The CAS number of 3,4,5-Trihydroxybenzaldehyde monohydrate is 207742-88-9.
What are the molecular formula and molecular weight of 3,4,5-Trihydroxybenzaldehyde monohydrate?
3,4,5-Trihydroxybenzaldehyde monohydrate has molecular formula C7H8O5 and molecular weight 172.135 g/mol.
Is 3,4,5-Trihydroxybenzaldehyde monohydrate hazardous?
3,4,5-Trihydroxybenzaldehyde monohydrate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trihydroxybenzaldehyde monohydrate (CAS 207742-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42817-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.