Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]- cas no:4404-43-7
Synonyms: 2,2'-Stilbenedisulfonicacid, 4,4'-bis[[4-anilino-6-[bis(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-(6CI,7CI); C.I. Fluorescent Brightening Agent 28 (8CI);4,4'-Bis[(4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonicacid; 4,4'-Bis[2-anilino-4-[bis(hydroxyethyl)amino]-s-triazin-6-ylamino]-2,2'-stilbenedisulfonicacid;4,4'-Bis[[4-anilino-6-bis[(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-2,2'-stilbenedisulfonicacid; Phorwite BBH
NameBenzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-
CAS4404-43-7
Synonyms2,2'-Stilbenedisulfonicacid, 4,4'-bis[[4-anilino-6-[bis(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-(6CI,7CI); C.I. Fluorescent Brightening Agent 28 (8CI);4,4'-Bis[(4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonicacid; 4,4'-Bis[2-anilino-4-[bis(hydroxyethyl)amino]-s-triazin-6-ylamino]-2,2'-stilbenedisulfonicacid;4,4'-Bis[[4-anilino-6-bis[(2-hydroxyethyl)amino]-s-triazin-2-yl]amino]-2,2'-stilbenedisulfonicacid; Phorwite BBH
EINECS(EC#)224-073-5
Molecular FormulaC40H44 N12 O10 S2
Molecular Weight916.981760 g/mol
AppearanceYellow powder
refractive index1.744
storage tempStore at RT.
Hazard Xi: Irritant;
Risk R36
Safety
Safety Information of C.I. Fluorescent brightening agent 28 (CAS NO. 4404-43-7):
Hazard Codes: Xi 
Risk Statements: 36
R36:Irritating to eyes
Safety Statements: 26
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
WGK Germany: 3