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1、ANSI Kb2.338 93 0724350 0532373 673 ANSI K62.338-1993 American National Standard f I I % common name for the pest control chemical - avermectin A, + (4”/?)-5-O-demethyl-25-de( 1 -= met h y I propyl) -4”-deoxy-4”- (met h yl am i no) -25- ( 1 -= methylethy1)avermectin A , , (9:l) “emamectin” . / . (4”
2、 ) - 5 - O-d e m et h y I - 4”- de oxy-4”- ( m et h y I am i n o) = Approved May 14,1993 Secretariat: U.S. Department of Agriculture ) 1 Common name: emamectin 1.1 The word “emamectin” (pronounced e- ma-mek-tin) has been accepted as the American National Standard Common Name f o r the c h e m i c a
3、I ( 4” I?) -5 - O- d e met h y 1-4”- = d e o x y - 4 I- ( m e t h y I a m i n o ) av e r m e c t i n A , a + ( 4” R) -5 - O-d e m et h y I - 2 5 - d e ( 1 - m e t h y I p r o p y I) - = 4”-deoxy-4”-(methylamino)-25-( 1 - = methylethy1)avermectin A, a (9:l). 1.2 Acceptance signifies compliance with A
4、merican National Standard common name for a pest control chemical - Procedure for acceptance, ANSI K62.1-1985. 2 Use of common name 2.1 The common name applies to the 100% pure chemical. Name furnished upon request. Page 1 of 4 pages 2.2 Technical grades and formulations shall indicate the percentag
5、e of emamectin pre- sent; for example, 95% emamectin benzoate (sait) equivalent to 83% emamectin. 2.3 The sponsor) of the common name “emamectin” has agreed to release and per- mit the use of the name “emamectin” with respect to any product, whether or not manu- factured or formulated by it, that co
6、ntains a pest control chemical conforming to the description set forth in this American National Standard. 3 Limitations Neither the American National Standards Institute nor the Accredited Standards Committee for Common Names for Pest Control Chemicals, K62, guarantees or assumes any responsibility
7、 that use of this An American National Standard implies a consensus of those substantially concerned with its scope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does
8、not in any respect preclude anyone, whether he has approved the standard or not, from manufac- turing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review and users are cautioned to obtain the l
9、atest editions. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of
10、 the American National Standards Institute. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from t
11、he date of approval. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. r.L Copyright Q 1993 by wzs American National Standards Institute, 11 West 42nd Street, New York, N.Y. 10036 ANSI1 C893/14
12、Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/09/2007 01:40:52 MDTNo reproduction or networking permitted without license from IHS -,-,- Page 2 of 4 pages name in connection with this o
13、r any other chem- ical or product will not infringe on or conflict with any existing proprietary name, trademark, or trade name. Approval as an American National Standard Common Name constitutes recogni- tion by the Institute that a consensus exists within Accredited Standards Committee K62, operati
14、ng under Institute procedures and basing its recommendation on data submitted by a sponsor, favoring consideration of the use of the name to designate the pest control chemical described herein by all interested persons. The information concerning the chemical and physical properties of the chemical
15、 is not a part of the stan- dard, but is provided solely as an aid to identifica- tion, and its accuracy is not guaranteed. F c Annex (This annex is not pari of American National Standard K62.338-1993, but is for information purposes only.) emamecti n Physical and chemical properties Systematic name
16、 CAS Registry Number Empirical formula Molecular weight Structural formula ( 4“ R) - 5 - 0- d e rn e t h y I - 4“-d e o x y - 4“ - ( met h y I am i no) ave r m e c t i n A , , + ( 4“ R) - 5- O-d e met h y I - 25 -d e ( 1 - met h y I prop y I) - 4“ -d eo x y - = 4“-(methylamino)-25-(1 -methylethyl)av
17、ermectin A, (9:l) 137335-79-6 (The component CAS Registry numbers are 121 124-29-6 and 121 424-52-0.) C49H75N01 3 i- C&3H73N01 3 886.14 (major component), 872.1 1 (minor component) ANSI K62.338-1993 t OH R = C2H (29 O “/o) R=CH3(110%) Copyright American National Standards Institute Provided by IHS u
18、nder license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/09/2007 01:40:52 MDTNo reproduction or networking permitted without license from IHS -,-,- ANSI Kb2-338 93 = 0724150 0512373 446 Page 3 of 4 pages emamectin benzoate (sait)* Physical and chemical properti
19、es Systematic name (4“n)-5-O-demethyl-4“-deoxy-4“-(methylamino)avermectin A, benzoate (salt) + (4“R)-5-O-demethyl-25-de(l -methylpropyl)-= 4“- de ox y - 4“- ( m et h y I a m i no ) - 2 5 - ( 1 - met h y I e t h y I) = avermectin A, benzoate (salt) (9:l) CAS Registry Number 13751 2-74-4 Empirical for
20、mula Molecular weight Structural formula C49H75N030C7H602 4- C4H73N013C7H602 1008.26 (major component), 994.24 (minor component) . R R= C *H 5( 29 Oo/o) R=CH,(lOo/o) a * IS0 common name is emamectin benzoate. ANSI K62.338-1993 Copyright American National Standards Institute Provided by IHS under lic
21、ense with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/09/2007 01:40:52 MDTNo reproduction or networking permitted without license from IHS -,-,- ANSI Kb2.338 73 = 0724350 0512374 382 Page 4 of 4 pages Emamectin benzoate exists in an anhydrous form and in various hyd
22、rated forms having different crystal morphologies. The amount of water present is nonstoichiometric and variable within limits in these crystalline forms. The following physical properties are those of type B (water by Karl Fisher = l.l0/o) Color Off-white crystalline powder Melting point 141 - 146C
23、 (by Differential scanning calorimetry) (DSC 2”C/min. under N2) Specific rotation Ultraviolet absorbance (ioo/, methanol in water, by volume) Distribution coefficient n-octanollaq phosphate -6.9”, c = 0.5% in methanol cm at 244 nm = 327, corr. Dissociation constant Solubility pH log P 5.1 3.0 7.0 5.
24、0 pKa = 4.2 (benzoic acid) pKa = 7.6 (methylamine) 0.32 mg/mL, at pH 5 (aqueous), 0.024 mg/mL at pH 7 (aque- ous), freely soluble in chloroform and methanol, insoluble in hexane - - Proposed uses Ernamectin benzoate (salt) is an insecticidal chemical for control of larval stages of lepidopteran pest
25、s on leafy vegetables (lettuce, celery), cole crops (cabbage, broccoli, cauliflower, Brussels sprouts), fruiting vegetables (tomato, pepper), and sweet corn. t ANSI K62.338-1993 This mater, 1 is reproduced from American National Standard K62. %*&, copyright iq”i3, with permission of the American Nat
26、ional 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 Institute, Inc., 11 West 42nd Street, New York, New York 10036. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/09/2007 01:40:52 MDTNo reproduction or networking permitted without license from IHS -,-,-