| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to solutions of optical bleaching agents which are stable during storage, based on defined salt forms of aniline-substituted bis-triazinyl derivatives of 4,4'-diaminostilbene-2,2'-disulphonic acid of formula where R denotes a hydrogen atom, R1 denotes a -hydroxyalkyl radical having 2-4 carbon atoms, R2 denotes a hydrogen atom, M+ denotes Na+, n is less than or equal to 1.5; which do not require additional dissolution promoting additives. ^ EFFECT: high stability of the compounds during storage. ^ 14 cl, 2 tbl, 6 ex |
