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    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ?

    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ?
    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? ??? ???
    ?? ??:
    27344-41-8
    ???:
    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ?
    ???(??):
    2,2'-((1,1'-???)-4,4'-???-2,1-????)??-??????????;2,2'-((1,1'-???)-4,4'-???-2,1-????)??-??????????(2,2'-((...;????????????????????
    ???:
    Disodium 4,4'-bis(2-sulfostyryl)biphenyl
    ???(??):
    4BK;CF 351;fba351;OB CBS;OBA NFW;Eutex CBS;OBA NFW-R;Tinopal SK;Uvitex NFW;DisodiuM 4
    CBNumber:
    CB5221132
    ???:
    C28H23NaO6S2
    ??? ??:
    542.6
    MOL ??:
    27344-41-8.mol

    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? ??

    ???
    >300°C (dec.)
    ??
    1.414
    ?? ??
    Inert atmosphere,Room Temperature
    InChIKey
    PMPJQLCPEQFEJW-HPKCLRQXSA-L
    CAS ??????
    27344-41-8(CAS DataBase Reference)
    EPA
    Disodium 4,4'-bis(2-sulfostyryl)biphenyl (27344-41-8)
    ??
    • ?? ? ?? ??
    • ?? ? ???? ?? (GHS)
    ????? 24/25
    HS ?? 29049090
    ???? ?? KE-33862
    ????(GHS):
    ?? ?: Warning
    ??·?? ??:
    ?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
    H320 ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2B ?? P264, P305+P351+P338,P337+P313
    H402 ????? ??? ?? ????? ?? - ?? ?? 3
    ??????:
    P264 ?? ??? ?? ??? ????.
    P264 ?? ??? ?? ??? ????.
    P273 ???? ???? ???.
    P501 ...? ??? / ??? ?? ???.

    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? C??? ??, ??, ??

    ??? ??

    Greenish Yellow Solid

    ??

    Disodium 4,4'-bis(2-sulfostyryl)biphenyl can be used as a fluorescent whitening agent used for household goods.

    Safety Profile

    Mddly toxic by ingestion. A skin and severe eye irritant. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and Na2O.

    Properties and Applications

    TEST ITEMS

    SPECIFICATION

    APPEARANCE

    GREENISH YELLOW CRYSTALLINE BEAD

    WATER INSOLUBLE

    0.03% MAX

    SOLUBILITY

    25°C 25g/L, 70°C 100g/L, 95°C 300g/L

    PURITY

    99% min

    MAX UV ABSORPTION

    348-350nm

    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? ?? ?? ? ???

    ???

    ?? ??


    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? ?? ??

    ???( 203)?? ??
    ??? ?? ?? ??? ?? ?? ? ??
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    2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ? ?? ??:

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