1-BUTANOL, 4-ETHOXY- 111-73-9 4-01-00-02517 (Beilstein Handbook Reference) 4-Ethoxy-1-butanol 4-Ethoxybutan-1-ol BRN 1732976 Butanediol, monoethyl ether Butylene glycol ethyl ether Butylene glycol monoethyl ether Dowanal BEAT Dowanol BEAT Dowanol be EINECS 203-901-9 NSC 221255