DESCALING AND WATER TREATMENT CHEMICAL MIXTURE DESCRIBED CHEMICALLY AS AMINOTRIMETYLENE PHOSPHONIC ACID - SODIUM SALT 40% AQUEOUS. CAS NO. 20592 - 85 - 2, EC NO. 243-900-0. PRODUCED FROM PHOSPHOROUS ACID, AMMONIUM CHLORIDE, FORMALDEHYDE, SODIUM HYDROXIDE AND WATER.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 3824 CHEMICAL PRODUCTS AND PREPARATIONS OF THE CHEMICAL OR ALLIED INDUSTRIES (INCLUDING THOSE CONSISTING OF MIXTURES OF NATURAL PRODUCTS), NOT ELSEWHERE SPECIFIED OR INCLUDED. GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 382490 OTHER. CN CODE 38249045 ANTI-SCALING AND SIMILAR COMPOUNDS. ALSO CLASSIFIED IN ACCORDANCE WITH: CHAPTER 38 GENERAL NOTE. HSEN (B) (15) TO HEADING 3824. CNEN TO CODE 38249045.