N,N-Dimethyl-p-phenylenediamine dihydrochloride
Also known as: p-Dimethylaminoaniline dihydrochloride, 4-Amino-N,N-dimethylaniline dihydrochloride, 4-Dimethylaminoaniline dihydrochloride, DMPD 2HCl, DMPPDA 2HCl, N,N-Dimethyl-1,4-benzenediamine dihydrochloride, N,N-Dimethylbenzene-1,4-diamine dihydrochloride, N,N-Dimethyl-p-phenylenediammonium dichloride, 1,4-Benzenediamine, N,N-dimethyl-, dihydrochloride, usafek-7423
N,N-Dimethyl-p-phenylenediamine dihydrochloride (CAS 536-46-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14Cl2N2 and a molecular weight of 209.116 g/mol. Key properties include a melting point of 222 °C (dec.)(lit.), a boiling point of 211.6ºC at 760mmHg, a density of 0.94g/cm3 and a flash point of 84.2ºC. It is classified under GHS with signal word Danger and hazard statements H300, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. It is listed by 1 supplier, from 4.20 to 35.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 536-46-9
- Jingsj CID
- J-8023-3
- Molecular Formula
- C8H14Cl2N2
- Molecular Weight
- 209.116 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 25g | ¥105.00 | $0.63 /gBest ¥4.20/g CNY | CN China MOQ 25g | |
In Stock | 99%,用于过氧化物酶试验 25g | ¥490.00 | $2.93 /g ¥19.60/g CNY | CN China MOQ 25g | |
In Stock | 99%,用于过氧化物酶试验 5g | ¥175.00 | $5.24 /g ¥35.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 222 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 211.6ºC at 760mmHg |
| Density | 0.94g/cm3 |
| Flash Point | 84.2ºC |
| Exact Mass | 208.053406 |
| PSA | 29.26000 |
| LogP | 3.52000 |
GHS Safety & Compliance
- H300
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H319 — Causes serious eye irritation
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 N,N-Dimethyl-p-phenylenediamine dihydrochloride?
The CAS number of N,N-Dimethyl-p-phenylenediamine dihydrochloride is 536-46-9.
What are the molecular formula and molecular weight of N,N-Dimethyl-p-phenylenediamine dihydrochloride?
N,N-Dimethyl-p-phenylenediamine dihydrochloride has molecular formula C8H14Cl2N2 and molecular weight 209.116 g/mol.
Which suppliers offer N,N-Dimethyl-p-phenylenediamine dihydrochloride?
1 supplier(s) listed; reference unit price ¥4.20–35.00 /g.
Is N,N-Dimethyl-p-phenylenediamine dihydrochloride hazardous?
N,N-Dimethyl-p-phenylenediamine dihydrochloride has GHS signal word Danger and hazard statements H300; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of N,N-Dimethyl-p-phenylenediamine dihydrochloride?
For N,N-Dimethyl-p-phenylenediamine dihydrochloride, Downstream Products: Toluidine Blue O, N,N-Dimethylindoaniline, 1-[4-(Dimethylamino)phenyl]-2-thiourea.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N,N-Dimethyl-p-phenylenediamine dihydrochloride (CAS 536-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8023-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.