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Mechlorethamine hydrochloride

Also known as: Chlormethine hydrochloride, 2-Chloro-N-(2-chloroethyl)-N-methylethanamine hydrochloride, Bis(2-chloroethyl)methylamine hydrochloride, Methylbis(2-chloroethyl)amine hydrochloride, Mustargen hydrochloride, Nitrogen mustard hydrochloride, 1,5-Dichloro-3-methyl-3-azapentane hydrochloride, EINECS 200-246-0, MFCD00012517, SK 101, Caryolysine, Dichloren, Embichen

Mechlorethamine hydrochloride (CAS 55-86-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H12Cl3N and a molecular weight of 192.514 g/mol. Key properties include a melting point of 108-111 °C(lit.), a boiling point of 110.3ºC at 760 mmHg, a density of 1.106g/cm3 and a flash point of 20.5ºC. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55-86-7
Jingsj CID
J-35549-6
Molecular Formula
C5H12Cl3N
Molecular Weight
192.514 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point108-111 °C(lit.)
Boiling Point110.3ºC at 760 mmHg
Density1.106g/cm3
Flash Point20.5ºC
Exact Mass191.003525
PSA3.24000
LogP2.19780
Refractive Index1.4689 (24ºC)
StabilityStable. Hygroscopic.

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H300
  • H310
  • H314 — Causes severe skin burns and eye damage
  • H340
  • H350 — May cause cancer

Activity & Biological Data

Additional Information[1]. Cao Z, et al. Effect of brentuximab vedotin combined with chlormethine hydrochloride on the treatment of 6 patients with relapsed and refractory Hodgkin lymphoma. Zhonghua Xue Ye Xue Za Zhi. 2015 Jul 14;36(7):575-577.

Customs & Trade Information

HS Code2921199090
Summary2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Mechlorethamine hydrochloride?

The CAS number of Mechlorethamine hydrochloride is 55-86-7.

What are the molecular formula and molecular weight of Mechlorethamine hydrochloride?

Mechlorethamine hydrochloride has molecular formula C5H12Cl3N and molecular weight 192.514 g/mol.

Is Mechlorethamine hydrochloride hazardous?

Mechlorethamine hydrochloride has GHS signal word Danger and hazard statements H300; H310; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Mechlorethamine hydrochloride?

For Mechlorethamine hydrochloride, Upstream Products: N-Methyldiethanolamine, Formaldehyde, Bis(2-chloroethyl)amine hydrochloride; Downstream Products: 1-Methylpiperazine, N-Methyl-2,2'-diaminodiethylamine, 1,1-Dimethyl-4-phenylpiperazinium iodide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Mechlorethamine hydrochloride (CAS 55-86-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35549-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.