M/s Javerchand Khimji Rangwala is the manufacturer of 100 Percent White 4BM Liquid Optical Brightners. M/s Javerchand Khimji Rangwala is an ISO 9001:2000 certified company. The 100 Percent White 4BM Liquid Optical Brightners fall under the category of basic dyes. The C.I number of this Liquid Optical Brightner is Brightner 28. The 100 Percent White 4BM Liquid Optical Brightners are used in the detergent industry.