MF: C₄₀H₅₀N₄O₈S
MW: 746.91
EINECS: 200-046-3
Product Categories: Organics
Melting Point Quinidinesulfate(2:1)(salt) (50-54-4):: 212°C
IUPAC Name: (S)-[(5R,7R)-5-ethenyl-1-azabicyclo[2.2.2]octan-7-yl]-(6-methoxyquinolin-4-yl)methanol ;  sulfuric acid
Synonyms: Quinidinemono sulfate ; (9S)-6’-methoxycinchonan-9-olsulfate(2:1)(salt) ; 6’-Methoxy-cinchonan-9-o(9s)-cinchonan-9-osulfate(2:1)(salt) ; 6’-Methoxycinchonan-9-olsulfate ; Chinidinesulfate ; Quinidate ; Quinidinemonosulfate ; Quinidinesulfate(2:1)(salt)
Following is the molecular structure of Quinidinesulfate(2:1)(salt) (50-54-4):

Reported in EPA TSCA Inventory.

Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion and subcutaneous routes. Human systemic effects: arrythmias, cholestatic conjunctive irritation, cyanosis, death, distorted perceptions, dyspnea, fever, hallucinations, hepatitis, increased body temperature, irritative dermatitis, jaundice, joints effects, liver function impairment, other vascular and pulmonary changes, somnolence, transaminases changes, tremors, tumors. When heated to decomposition it emits very toxic fumes of NO_x and SO_x.
Safety Information of Quinidinesulfate(2:1)(salt) (50-54-4):
Risk Statements: 22
22: Harmful if swallowed 
Safety Statements: 22-45
22: Do not breathe dust 
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)  
RIDADR: 1544