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1、ANSI Khi2955 63 072+150 0007637 7 W American Standard Common Name for the Pest Control Chemical 3,6-dichloro-o-anisic acid dicamba Reaffirmed- 1969 t-f- 1 3 -2gy - ATA Hql. (1. s. lut. 05. K62.55- I963 i UOC 632.9:001.4 “iliiiilit” with respwi to tiny protluc:t, whether or riot iiiiiiiiific.tur.tl o
2、r forrnulaic.tl Iiy it, which twitairis u iwst (.,ititroi ch*iiiic.al cotioriniiip to tlir description set forth iii this staiidartl. I Please turii t h t a pag:c for iiiFoIiiiiitioii on physicd arid c*ht.micd properties arid proposed uses of dicamba. material s reproduced from A erican National Sta
3、ndard g(2, ss , copyright ,?/# , with permission of the American Naional Standards Institute, Inc. Not for resale. No part of this publication may be copied or reproduced in any form, electronic retrieval system or otherwise, without the prior written permission of the American National Standards In
4、stitute, Inc., 11 West 42nd Street, New York, New York 10036. Approved October :5, I963 by American Standards Association, Incorporated Administrative Spc,nsor: U. S. Department of Agriculture * (iiiversal Ikciiiinl CI:isihcntian Copyright American National Standards Institute Provided by IHS under
5、license with ANSI Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 10:35:46 MDTNo reproduction or networking permitted without license from IHS -,-,- : ANSI Kb2-55 b3 m 0729150 0007b40 5 m Page 2 of 2 pagcs The following is supplied for informational piirposes only
6、 and is not a paTt of American Standard K62.55-1963. dicamba Physical and Chemical Properties Systematic name 3,6-dichloro-o-anisic acid, also known as 2-methoxy-3,6-dichlorobenzoic acid Empirical formula C,H,CI,O, Cl- OC H 3 Molecular weight 221.05 Pure Technical Color white tan-brown Form crystall
7、ine crystalline Melting range 114-116 C 112-114 C Solubility Na salt Acid (acid equivalent) Water very slightly soluble 38 gm/l ml Xylene moderately soluble moderately soluble Ethanol very soluble very soluble DMA salt (acid equivalent) 72 gm/100 ml . moderately soluble very soluble Stability: Stabl
8、e toward oxidation and hydrolysis under conventional conditions. Resistant to acid aiid strong alkali. Dissociation Constant of Free Acid: 1.16 x (Corresponding to a pK value of 1.04) Proposed Uses Dicamba is intended for use as a herbicidal chemical to control numerous weeds in turf, pastures, rang
9、e lands, rice paddies, and grain fields. f h K62.55- I9 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=IHS Employees/1111111001, User=OConnor, Maurice Not for Resale, 04/29/2007 10:35:46 MDTNo reproduction or networking permitted without license from IHS -,-,-