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    ???? ??

    ???? ??
    ???? ?? ??? ???
    ?? ??:
    83055-99-6
    ???:
    ???? ??
    ???(??):
    ????-??;??????;????-??(BENSULFURON-METHYL)
    ???:
    Bensulfuron methyl
    ???(??):
    f5384;LONDAX;CONDAX;C10937;Mariner;DPX-F5384;ESPROCARB(R);Bensulfuron Me;BIANMIHUANGLONG;methylbensulfuron
    CBNumber:
    CB2680057
    ???:
    C16H18N4O7S
    ??? ??:
    410.4
    MOL ??:
    83055-99-6.mol

    ???? ?? ??

    ???
    185-188°C
    ??
    1.4087 (rough estimate)
    ???
    1.6000 (estimate)
    ?? ??
    0-6°C
    ?? ?? (pKa)
    12.34±0.70(Predicted)
    ??? ??
    neat
    ??
    White to pale yellow
    ??
    odorless solid
    BRN
    7447488
    InChIKey
    XMQFTWRPUQYINF-UHFFFAOYSA-N
    CAS ??????
    83055-99-6
    EPA
    Bensulfuron-methyl (83055-99-6)
    ??
    • ?? ? ?? ??
    • ?? ? ???? ?? (GHS)
    ??? ?? Xi;N,N,Xi
    ?? ???? ?? 43-51/53
    ????? 2-24-37-61
    ????(UN No.) UN 3077 9/PG 3
    WGK ?? 2
    RTECS ?? DG8733000
    HS ?? 29350090
    ?? LD50 orl-rat: >5 g/kg NNGADV 16,343,91
    ???? ?? KE-23768
    ????(GHS):
    ?? ?: Warning
    ??·?? ??:
    ?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
    H317 ????? ?? ??? ??? ? ?? ?? ??? ?? ?? 1 ?? P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
    H411 ??? ??? ?? ????? ??? ?? ????? ?? - ?? ?? 2
    ??????:
    P273 ???? ???? ???.
    P280 ????/???/???/?????? ?????.

    ???? ?? MSDS


    2-[[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]methyl]benzoic acid methyl ester

    ???? ?? C??? ??, ??, ??

    ??

    Herbicide.

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    ChEBI: The methyl ester of bensulfuron. An acetolactate synthase inhibitor, it is used as a herbicide for the control of a variety of both annual and perennial weeds in crops, particularly wheat and rice. It is not licensed for use within the UK.

    Safety Profile

    Moderately toxic by ingestion.When heated to decomposition it emits toxic vapors ofNOx and SOx.

    ?? ?? ??

    Bensulfuron methyl is metabolized by mammals and birds and the major metabolites identified include mono-O-demethylated and 5-hydroxylated bensulfuron methyl and 5-hydroxy-2-amino-3,5- dimethoxypyrimidine. As bird metabolites, cleavage of the pyrimidine ring of bensulfuron methyl is observed which results in two pyrimidine ring-opening metabolites. In rice plants, bensulfuron methyl undergoes rapid O-demethylation at one of the methoxy groups on the pyrimidine ring which will proceed through hydroxylation at the methyl group. Alcoholysis and hydrolysis of bensulfuron methyl (H1) involve mainly the breakdown of the urea moiety which leads to several degradation products, some of which are also identified as metabolites in mammals and plants.

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