Tri(propylene glycol) butyl ether, mixture of isomers, 2-(2-(Butoxymethylethoxy)methylethoxy)propan-1-ol, Tripropylenglykolbutylether, Isomerengemisch, 2-(2-(Butoxymethylethoxy)methylethoxy)propan-1-ol, Tripropylenglykolmono-n-butylether, Dowanol®, TPnB, TRIPROPYLENE GLYCOL N-BUTYL ETHER, SOLVENON TPNB, Tri-propylene-glycol-n-butylether, PnB, Propanol, [2-(2-butoxymethylethoxy)methylethoxy]-, Dowanol TPnB