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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 71413Generated: November 4, 2026

Aprindine Hydrochloride

APRINDINE HYDROCHLORIDE · ms-5075 · fiboran · aspenon · Fibocil · Amidonal · Aprindina · APRINDINE HCL

https://huagongshe.com/en/chemical/71413

Aprindine Hydrochloride molecular structure

Identifiers & Physical Properties

CAS No.33237-74-0
Molecular formulaC22H31ClN2
Average molar mass358.9 g/mol
Monoisotopic mass358.2175767 g/mol
SMILESCCN(CC)CCCN(c1ccccc1)C1Cc2ccccc2C1.Cl
InChIKeyKIPFVRHNAAZJOD-UHFFFAOYSA-N
PubChem CID71413
ChEMBLCHEMBL2104501
ChEBICHEBI:31229
EC No.251-418-7
DTXSIDDTXSID5046726

Chemical & Physical Properties

Topological polar surface area6.5
Hydrogen bond donors1
Hydrogen bond acceptors2
Rotatable bonds8
Heavy atoms25
Formal charge0
Complexity332
Melting point120-121°
Storage conditions2-8°C
SolubilityH2O: >10mg/mL
Physical statesolid
ColorLight Brown to Brown
StabilityHygroscopic
InChIInChI=1S/C22H30N2.ClH/c1-3-23(4-2)15-10-16-24(21-13-6-5-7-14-21)22-17-19-11-8-9-12-20(19)18-22/h5-9,11-14,22H,3-4,10,15-18H2,1-2H31H
InChIKeyKIPFVRHNAAZJOD-UHFFFAOYSA-N
SMILESC1(CC2C=CC=CC=2C1)N(CCCN(CC)CC)C1C=CC=CC=1.Cl
FDA UNIIPB5EKT7Q2V
UNSPSC Code12352200
NACRESNA.77
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP261-P264-P270-P301+P312-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXn
Risk statements (R)22-36/37/38
Safety statements (S)26
Water hazard class (WGK)3
RTECS numberTX7386000
Storage class11 - Combustible Solids
Hazard classAcute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3

Safety & Regulations

GHS classificationWarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
RTECS numberTX7386000
Risk statements (R)22-36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn
Safety statements (S)26
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH302-H315-H319-H335
Hazard classAcute Tox. 4 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
GHS precautionary statementsP261-P264-P270-P301+P312-P302+P352-P305+P351+P338

Applications & Uses

Uses

Aprindine is a long-acting antiarrhythmic agent, effective when administered orally or intravenously in the treatment of ventricular arrhythmias of varying etiologies.