THIS PRODUCT IS IN THE FORM OF A WHITE POWDER AND IS A TYPE OF CHEMICAL IMAGING 'DEVELOPER' . THE SUBSTANCE IS USED IN CONJUNCTION WITH A COLOURFORMER IN THERMAL PAPER WHERE THE COMBINATION OF THE 2 PRODUCTS TOGETHER WITH HEAT FROM A THERMAL PRINT HEAD CAUSES A COLOUR CHANGE RESULTING IN AN IMAGE ON THE THERMAL PAPER. THE SUBSTANCE SUPPLIED IS GREAT THAN 96% PURE WITH THE LESS THAN 4% RESIDUAL RAW MATERIALS AND BY PRODUCTS OF THE PRODUCTION PROCESS. CAS NO:- 41481-66-7 CHEMICAL BREAKDOWN:- 2,2 DIALLYL-4,4'SULPHONYIDIPHENOL.

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 - 3707 - CHEMICAL PREPARATIONS FOR PHOTOGRAPHIC USES (OTHER THAN VARNISHES, GLUES, ADHESIVES AND SIMILAR PREPARATIONS); UNMIXED PRODUCTS FOR PHOTOGRAPHIC USES, PUT UP IN MEASURED PORTIONS OR PUT UP FOR RETAIL SALE IN A FORM READY FOR USE . GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL - 370790 - OTHER THAN SENSITISING EMULSIONS CN CODE - 37079029 - DEVELOPERS AND FIXERS OTHER THAN THERMOPLASTIC OR ELECTROSTATIC TONER CARTRIDGES (WITHOUT MOVING PARTS) FOR INSERTION INTO APPARATUS OF SUBHEADINGS 8443 31, 8443 32 OR 8443 39 ALSO CLASSIFIED IN ACCORDANCE WITH:- CHAPTER 37 NOTE 2 & SECTION VI NOTE 2 HARMONIZED SYSTEM EXPLANATORY NOTES(HSEN)'S TO HEADING 3707