Kunal Organics Pvt. Ltd. Offers Bathochromic Agent Used in Finishing. Kunal Organics Pvt. Ltd. Is an ISO 9001:2000 certified company. Kunal Organics Pvt. Ltd. Supplies textile chemicals. Bathochromic Agent Used in Finishing increases the darkness of a dark dyed fabric - reactive black / navy blue / dark green. Bathochromic Agent Used in Finishing gives unique tone and depth wiz unmatchable even with high dosage of dyeing. Its brand name is BRIGHTON - MDC [Cotton] / NR [Polyester] / W 33 [Wool].