1-Methylpiperazine dihydrochloride
Also known as: 1-Methylpiperazine Dihydrochloride, 1-Methylpiperazine2HCl, N-Methylpiperazine dihydrochloride, Piperazine, 1-methyl-, hydrochloride (1:2), MFCD00012755, Pirenzepine EP Impurity D, TIMTEC-BB SBB003822
1-Methylpiperazine dihydrochloride (CAS 34352-59-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H14Cl2N2 and a molecular weight of 173.084 g/mol. Key properties include a melting point of 246-250ºC(lit.), a boiling point of 138ºC at 760 mmHg and a flash point of 42.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 3 suppliers, 2 of which publish reference prices, from 3.34 to 3.84 CNY per 500g. Record last updated Aug 21, 2026.
- CAS No.
- 34352-59-5
- Jingsj CID
- J-1004210-8
- Molecular Formula
- C5H14Cl2N2
- Molecular Weight
- 173.084 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 500g | ¥1,670.00 | $0.5 /gBest ¥3.34/g CNY | CN China MOQ 500g | |
In Stock | 98% 500g | ¥1,920.00 | $0.57 /g ¥3.84/g CNY | CN China MOQ 标准 | |
Made to Order | 97% 1g | - | - | CN China MOQ 1g |
Physicochemical Properties
| Melting Point | 246-250ºC(lit.) |
|---|---|
| Boiling Point | 138ºC at 760 mmHg |
| Flash Point | 42.2ºC |
| Exact Mass | 172.053406 |
| PSA | 15.27000 |
| LogP | 1.39210 |
| Additional Property | 1 M NH4OH: soluble25mg/mL, clear to hazy, colorless to light yellow |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-Methylpiperazine dihydrochloride?
The CAS number of 1-Methylpiperazine dihydrochloride is 34352-59-5.
What are the molecular formula and molecular weight of 1-Methylpiperazine dihydrochloride?
1-Methylpiperazine dihydrochloride has molecular formula C5H14Cl2N2 and molecular weight 173.084 g/mol.
Which suppliers offer 1-Methylpiperazine dihydrochloride?
3 supplier(s) listed; reference unit price ¥3.34–3.84 /g.
Is 1-Methylpiperazine dihydrochloride hazardous?
1-Methylpiperazine dihydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; 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. "1-Methylpiperazine dihydrochloride (CAS 34352-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1004210-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.