A DEMULSIFIER INTERMEDIATE. A BROWN LIQUID IN APPEARANCE. AN ACTIVE COMPONENT IN DEMULSIFIER FORMULATIONS ADDED TO CRUDE OIL TO AID THE SEPARATION OF EMULSIFIED WATER. IT CONSISTS OF AN ALCOHOL THAT IS REACTED WITH A SEQUENCE OF EPOXIDES (INCLUDING ALKYLENE OXIDES) TO PRODUCE A COMPLEX MIXTURE OF HIGH MOLECULAR WEIGHT POLYETHER ALCOHOLS. THE REACTIONS ARE CARRIED OUT IN A MIXED AROMATIC HYDROCARBON SOLVENT (THIS PRODUCT IS NOT SOLUBLE IN WATER). THE SOLVENT MAKES UP FOR LESS THAN 50 PER CENT OF THIS PRODUCT THE HYDROXYL NUMBER WILL BE LESS THAN 100. THIS PRODUCT IS MANUFATURED IN BATCH CHEMICAL REACTORS IN A MULTI-STAGE PROCESS. THIS PRODUCT IS USED ALONE AS DEMULSIFIER BUT IS USUALLY BLENDED WITH OTHER INTERMEDIATES TO ACHIEVE OPTIMUM EFFICIENCY. TRANSPORTED IN CONTAINERS RANGING FROM 5 GALLON TO 550 GALLON ISO TANKS.

CLASSIFICATION IS ACCORDING TO GIRS 1 AND 6. CN 39072021. THE TERMS OF HEADING 3907 POLYACETALS, OTHER POLYETHERS AND EPOXIDE RESINS, IN PRIMARY FORMS; POLYCARBONATES, ALKYD RESINS, POLYALLYL ESTERS AND OTHER POLYMERS, IN PRIMARY FORMS AND SUBHEADING 390720 OTHER POLYETHERS. HSEN (2) TO HEADING 3907.