o-Phenylenediamine dihydrochloride
Also known as: 1,2-Phenylenediamine dihydrochloride, o-Phenylenediamine·2HCl, OPD dihydrochloride, 1,2-Benzenediamine, dihydrochloride, OPD-HCl, SIGMAFAST OPD, o-Phenyldiamine dihydrochloride, 1,2-Phenylenediamine dihydrochloride [for biochemical research], benzene-1,2-diamine, dihydrochloride
o-Phenylenediamine dihydrochloride (CAS 615-28-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10Cl2N2 and a molecular weight of 181.06300 g/mol. Key properties include a melting point of 258ºC (dec.)(lit.), a boiling point of 257ºC at 760 mmHg and a flash point of 124.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. It is listed by 2 suppliers, from 2.56 to 20.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 615-28-1
- Jingsj CID
- J-809611-5
- Molecular Formula
- C6H10Cl2N2
- Molecular Weight
- 181.06300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 500g | ¥1,280.00 | $0.38 /gBest ¥2.56/g CNY | CN China MOQ 500g | |
In Stock | AR 500g | ¥3,200.00 | $0.96 /g ¥6.40/g CNY | CN China MOQ 500g | |
In Stock | AR 100g | ¥750.00 | $1.12 /g ¥7.50/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 258ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 257ºC at 760 mmHg |
| Flash Point | 124.9ºC |
| Exact Mass | 180.02200 |
| PSA | 52.04000 |
| LogP | 3.61740 |
| Appearance | tablet | white to off-white |
| Additional Property | H2O: 1 tablet/10 mL, clear, colorless | Slightly soluble in water; freely soluble in alcohol, chloroform or ether |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H341 — Suspected of causing genetic defects
- H351 — Suspected of causing cancer
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2921590090 |
|---|---|
| Summary | 2921590090. other aromatic polyamines and their derivatives; 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 o-Phenylenediamine dihydrochloride?
The CAS number of o-Phenylenediamine dihydrochloride is 615-28-1.
What are the molecular formula and molecular weight of o-Phenylenediamine dihydrochloride?
o-Phenylenediamine dihydrochloride has molecular formula C6H10Cl2N2 and molecular weight 181.06300 g/mol.
Which suppliers offer o-Phenylenediamine dihydrochloride?
2 supplier(s) listed; reference unit price ¥2.56–20.00 /g.
Is o-Phenylenediamine dihydrochloride hazardous?
o-Phenylenediamine dihydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "o-Phenylenediamine dihydrochloride (CAS 615-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-809611-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.