2,4-Dimethoxybenzylamine hydrochloride
Also known as: (2,4-Dimethoxyphenyl)methanamine hydrochloride, Benzenemethanamine, 2,4-dimethoxy-, hydrochloride, 2,4-Dimethoxybenzylamine HCl, MFCD00012854, EINECS 244-036-7
2,4-Dimethoxybenzylamine hydrochloride (CAS 20781-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H14ClNO2 and a molecular weight of 203.66 g/mol. Key properties include a melting point of 188-190 °C(lit.), a boiling point of 271ºC at 760 mmHg, a density of 1.062g/cm3 and a flash point of 127.5ºC. It is listed by 1 supplier, from 3.20 to 4.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 20781-21-9
- Jingsj CID
- J-1119400-6
- Molecular Formula
- C9H14ClNO2
- Molecular Weight
- 203.66 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 500g | ¥1,600.00 | $0.48 /gBest ¥3.20/g CNY | CN China MOQ 500g | |
Made to Order | 99% 100g | ¥400.00 | $0.6 /g ¥4.00/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 188-190 °C(lit.) |
|---|---|
| Boiling Point | 271ºC at 760 mmHg |
| Density | 1.062g/cm3 |
| Flash Point | 127.5ºC |
| Exact Mass | 203.071304 |
| PSA | 44.48000 |
| LogP | 2.66480 |
| Vapor Pressure | 0.00664mmHg at 25°C |
| Storage Conditions | -20℃ |
| SMILES | COC1=CC(=C(C=C1)CN)OC.Cl |
| InChIKey | KJOWSAVFSCSBMZ-UHFFFAOYSA-N |
| InChI | 1S/C9H13NO2.ClH/c1-11-8-4-3-7(6-10)9(5-8)12-2;/h3-5H,6,10H2,1-2H3;1H |
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Dimethoxybenzylamine hydrochloride?
The CAS number of 2,4-Dimethoxybenzylamine hydrochloride is 20781-21-9.
What are the molecular formula and molecular weight of 2,4-Dimethoxybenzylamine hydrochloride?
2,4-Dimethoxybenzylamine hydrochloride has molecular formula C9H14ClNO2 and molecular weight 203.66 g/mol.
Which suppliers offer 2,4-Dimethoxybenzylamine hydrochloride?
1 supplier(s) listed; reference unit price ¥3.20–4.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dimethoxybenzylamine hydrochloride (CAS 20781-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119400-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.