2,5-Diamino-1,4-dihydroxybenzene dihydrochloride
2,5-二氨基-1,4-二羟基苯二盐酸盐
Also known as: 2,5-Diaminobenzene-1,4-diol dihydrochloride, 2,5-Diaminohydroquinone dihydrochloride, 2,5-diamino-1,4-benzenediol bishydrochloride, 2,5-diaminohydroquinone bishydrochloride, 2,5-Dihydroxy-p-phenylenediamine dihydrochloride
2,5-Diamino-1,4-dihydroxybenzene dihydrochloride (CAS 24171-03-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10Cl2N2O2 and a molecular weight of 213.06200 g/mol. It is also known as 2,5-Diaminobenzene-1,4-diol dihydrochloride, 2,5-Diaminohydroquinone dihydrochloride and 2,5-diamino-1,4-benzenediol bishydrochloride. Key properties include a melting point of >300ºC, a boiling point of 378.4ºC at 760mmHg, a density of 1.542g/cm3 and a flash point of 182.6ºC. 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.
- 24171-03-7
- Jingsj CID
- J-1085267-9
- Molecular Formula
- C6H10Cl2N2O2
- Chinese Name
- 2,5-二氨基-1,4-二羟基苯二盐酸盐
- Molecular Weight
- 213.06200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 378.4ºC at 760mmHg |
| Density | 1.542g/cm3 |
| Flash Point | 182.6ºC |
| Exact Mass | 212.01200 |
| PSA | 92.50000 |
| LogP | 3.02860 |
| Vapor Pressure | 2.9E-06mmHg at 25°C |
| Refractive Index | 1.79 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 2,5-Diamino-1,4-dihydroxybenzene dihydrochloride?
The CAS number of 2,5-Diamino-1,4-dihydroxybenzene dihydrochloride is 24171-03-7.
What are the molecular formula and molecular weight of 2,5-Diamino-1,4-dihydroxybenzene dihydrochloride?
2,5-Diamino-1,4-dihydroxybenzene dihydrochloride has molecular formula C6H10Cl2N2O2 and molecular weight 213.06200 g/mol.
Is 2,5-Diamino-1,4-dihydroxybenzene dihydrochloride hazardous?
2,5-Diamino-1,4-dihydroxybenzene dihydrochloride 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. "2,5-Diamino-1,4-dihydroxybenzene dihydrochloride (CAS 24171-03-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085267-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.