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J-acid urea( sodium salt)
C21H14N2NA2O9S2
20324-87-2
used as azo medium. Mainly used for the preparation of direct orange S and direct acid-proof bright-red 4BS
Coupling value ¡Ã70%
Free J-acid ¡Â1.5%
Insoluble ¡Â0.2%
Apprearance: Brown powder
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Linyi Tianan Chemical Co., Ltd.
ÀüÈ­¹øÈ£ 86-534-4288015
Æѽº¹øÈ£ 86-534-4288015
ȨÆäÀÌÁö www.tiananchem.com
À̸ÞÀÏ tianan@tiananchem.com
ÁÖ¼Ò 100meters north to NO.104 national road ,Linpan Town,Linyi County,Shandong Province,China
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