H Helium gas
   
Heptane  
 
Hexaldehyde    
 
Hexan
Hexyl alcohol    
 
High-test hypochlorite
(Calcium hypochlorite)
 
Hydraulic oil
     
Hydrazine  
Hydrobromic acid
[20% 70°C]
   
Hydrobromic acid
[20% RT]
 
Hydrobromic acid
37 % RT
Hydrochloric acid
10% RT
Hydrochloric acid
20% (80℃)
Hydrochloric acid
20% RT
Hydrochloric acid
38% RT
Hydrocyanic acid
   
Hydrofluoric acid anhydrous  
 
Hydrofluoride 10 % RT
   
Hydrofluoride 40 % RT
 
Hydrogen
Hydrogen fluoride      
Hydrogen peroxide 30% RT
Hydrogen peroxide 5% 50℃
 
Hydrogen peroxide 5% RT
 
Hydrogen sulfide
 
Hydroquinone
   
Hypochierous acid