Sadhana Nitro Chem Ltd. Offers 3-Diethylamino Phenetole. Sadhana Nitro Chem Ltd is an ISO 9001:2000 certified company. The physical properties of N3-Diethylamino Phenetole are dark brown vicious liquid in appearance. The purity is minimum 99.0 percent and CAS number is 1864-92-2. The molecular weight is 193 and this 3-Diethylamino Phenetole is used in dye intermediates.