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CAS RN: 4205-91-8 | Product Number: D1353

Clonidine Hydrochloride

Purity: >98.0%(T)(HPLC)
  • 2-(2,6-Dichloroanilino)-2-imidazoline Hydrochloride
  • 2-(2,6-Dichlorophenylamino)-2-imidazoline Hydrochloride
1   ≥20 
3   ≥20 

*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).

Product Number D1353
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__9H__9Cl__2N__3·HCl = 266.55  
Physical State (20 deg.C) Solid
Condition to Avoid Light Sensitive
CAS RN 4205-91-8
Related CAS RN 4205-90-7
Reaxys Registry Number 4163525
PubChem Substance ID 87567869
Merck Index (14) 2390
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Nonaqueous Titration) min. 98.0 %
Properties (reference)
Melting Point 312 °C
Solubility in water Soluble
Solubility (soluble in) Ethanol
Solubility (slightly sol. in) Chloroform
Solubility (insoluble in) Ether
Pictogram Pictogram
Signal Word Danger
Hazard Statements H330 : Fatal if inhaled.
H301 : Toxic if swallowed.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P264 : Wash skin thoroughly after handling.
P284 : Wear respiratory protection.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
Related Laws:
EC Number 224-121-5
RTECS# NJ2490000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group I
HS Number 2933299090
Clonidine Hydrochloride: An α2-Adrenoceptor Agonist

Clonidine hydrochloride, an imidazoline derivative, is an α2-adrenoceptor agonist such as dexmedetomidine hydrochloride [D5062], guanfacine hydrochloride [G0414], moxonidine [M2660] and et al. Clonidine stimulates α2-adrenoceptor in the brain stem, and suppresses sympathetic outflow and decreases vascular resistance resulting in lower blood pressure. (The product is for research purpose only.)


PubMed Literature

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