5-bromo-2,3-dimethoxybenzaldehyde
Also known as: Benzaldehyde,5-bromo-2,3-dimethoxy-, 2,3-dimethoxy-5-bromobenzaldehyde, 5-BROMO-2 3-DIMETHOXYBENZALDEHYDE 97, 5-BroMo-2,3-diMethoxybenzaldehyde 97%, 5-Brom-2,3-dimethoxy-benzaldehyd, 5-bromo-2,3-dimethoxy-benzaldehyde, NSC 279839
5-bromo-2,3-dimethoxybenzaldehyde (CAS 71295-21-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO3 and a molecular weight of 245.07000 g/mol. Key properties include a melting point of 81-84ºC(lit.), a boiling point of 312.7ºC at 760 mmHg, a density of 1.482g/cm3 and a flash point of 142.9ºC. 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.
- 71295-21-1
- Jingsj CID
- J-39188-8
- Molecular Formula
- C9H9BrO3
- Molecular Weight
- 245.07000 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 81-84ºC(lit.) |
|---|---|
| Boiling Point | 312.7ºC at 760 mmHg |
| Density | 1.482g/cm3 |
| Flash Point | 142.9ºC |
| Exact Mass | 243.97400 |
| PSA | 35.53000 |
| LogP | 2.27880 |
| Refractive Index | 1.567 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2913000090 |
|---|---|
| Summary | HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 5-bromo-2,3-dimethoxybenzaldehyde?
The CAS number of 5-bromo-2,3-dimethoxybenzaldehyde is 71295-21-1.
What are the molecular formula and molecular weight of 5-bromo-2,3-dimethoxybenzaldehyde?
5-bromo-2,3-dimethoxybenzaldehyde has molecular formula C9H9BrO3 and molecular weight 245.07000 g/mol.
Is 5-bromo-2,3-dimethoxybenzaldehyde hazardous?
5-bromo-2,3-dimethoxybenzaldehyde 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 5-bromo-2,3-dimethoxybenzaldehyde?
For 5-bromo-2,3-dimethoxybenzaldehyde, Upstream Products: 2,3-Dimethoxybenzaldehyde, 5-Bromo-2-hydroxy-3-methoxybenzaldehyde, Dimethyl sulfate; Downstream Products: (-)-(S)-5-Bromo-2,3-dimethoxy-N-[(1-ethyl-2-pyrrolidinyl)methyl]benzamide, 5-Bromo-2,3-dimethoxybenzonitrile, 3,4-Dimethoxy-5-hydroxybenzaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-bromo-2,3-dimethoxybenzaldehyde (CAS 71295-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39188-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.