1,2-Diamino-4,5-dimethoxybenzene

Also known as: 4,5-Dimethoxy-1,2-benzenediamine, 4,5-Dimethoxy-1,2-diaminobenzene, 4,5-Dimethoxy-o-phenylenediamine, 4,5-Dimethoxybenzene-1,2-diamine, 4,5-Diaminoveratrole, 2-Amino-4,5-dimethoxyaniline, 1,2-Diamino-4,5-methoxybenzene, 4,5-Diamino-1,2-dimethoxybenzene, 4,5-Dimethoxy-1,2-phenylenediamine, 1,2-Benzenediamine, 4,5-dimethoxy-, 1,2-Dimethoxy-4,5-diaminobenzene

1,2-Diamino-4,5-dimethoxybenzene (CAS 27841-33-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O2 and a molecular weight of 168.19 g/mol. Key properties include a boiling point of 329.0±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 174.8±20.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27841-33-4
Jingsj CID: J-1969789-3
Molecular Formula: C₈H₁₂N₂O₂
Molecular Weight: 168.19 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	329.0±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	174.8±20.2 °C
Exact Mass	168.089874
PSA	70.50000
LogP	-0.46
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.592

Activity & Biological Data

Additional Information	[1]. Turk Z, et al. Elevated level of methylglyoxal during diabetic ketoacidosis and its recovery phase. Diabetes Metab. 2006 Apr;32(2):176-80.

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 1,2-Diamino-4,5-dimethoxybenzene?

The CAS number of 1,2-Diamino-4,5-dimethoxybenzene is 27841-33-4.

What are the molecular formula and molecular weight of 1,2-Diamino-4,5-dimethoxybenzene?

1,2-Diamino-4,5-dimethoxybenzene has molecular formula C8H12N2O2 and molecular weight 168.19 g/mol.

What are the upstream and downstream products of 1,2-Diamino-4,5-dimethoxybenzene?

For 1,2-Diamino-4,5-dimethoxybenzene, Upstream Products: 1,2-Dimethoxy-4,5-dinitrobenzene, 3,4-Dimethoxynitrobenzene, 4,5-Dimethoxy-2-nitroaniline; Downstream Products: 6,7-dimethoxy-2,3-dimethylquinoxaline, 5,6-Dimethoxybenzimidazole, DMEQ-TAD.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,2-Diamino-4,5-dimethoxybenzene (CAS 27841-33-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969789-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.