Histamine dihydrochloride
Also known as: 1H-Imidazole-4-ethanamine dihydrochloride, 1H-Imidazole-4-ethanamine, hydrochloride (1:2), 2-(1H-Imidazol-4-yl)ethanamine dihydrochloride, 2-(1H-Imidazol-4-yl)ethylamine dihydrochloride, 2-(4-Imidazolyl)ethylamine dihydrochloride, 4-(2-Aminoethyl)imidazole dihydrochloride, Ceplene, Histamine dichloride, Histamine chloride, Histamine hydrochloride, Histaminediium dichloride, Peremin, Histamine 2HCl, Histamine diHCl
Histamine dihydrochloride (CAS 56-92-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11Cl2N3 and a molecular weight of 184.067 g/mol. Key properties include a melting point of 249-252 °C(lit.), a boiling point of 331ºC at 760 mmHg, a density of 1.14 g/cm3 and a flash point of 180.3ºC. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. It is listed by 2 suppliers, 1 of which publish reference prices, from 0.94 to 930.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 56-92-8
- Jingsj CID
- J-899110-8
- Molecular Formula
- C5H11Cl2N3
- Molecular Weight
- 184.067 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥472.00 | $0.14 /gBest ¥0.94/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥95.00 | $0.14 /g ¥0.95/g CNY | CN China MOQ 100g | |
In Stock | 98% 25g | ¥890.00 | $5.33 /g ¥35.60/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 249-252 °C(lit.) |
|---|---|
| Boiling Point | 331ºC at 760 mmHg |
| Density | 1.14 g/cm3 |
| Flash Point | 180.3ºC |
| Exact Mass | 183.033005 |
| PSA | 54.70000 |
| LogP | 2.21520 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Additional Property | SOLUBLE |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) 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 Histamine dihydrochloride?
The CAS number of Histamine dihydrochloride is 56-92-8.
What are the molecular formula and molecular weight of Histamine dihydrochloride?
Histamine dihydrochloride has molecular formula C5H11Cl2N3 and molecular weight 184.067 g/mol.
Which suppliers offer Histamine dihydrochloride?
2 supplier(s) listed; reference unit price ¥0.94–930.00 /g.
Is Histamine dihydrochloride hazardous?
Histamine dihydrochloride has GHS signal word Danger and hazard statements H315 — Causes skin irritation; 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. "Histamine dihydrochloride (CAS 56-92-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-899110-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.