(4-クロロ-2-メチルフェノキシ)酢酸

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Danger

• 危険有害性情報

  H302：飲み込むと有害

  H315：皮膚刺激

  H318：重篤な眼の損傷

  H410：長期的影響により水生生物に非常に強い毒性

• 注意書き

  P264：取扱い後は皮膚をよく洗うこと。

  P264：取扱い後は手や顔をよく洗うこと。

  P273：環境への放出を避けること。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P301+P312：飲み込んだ場合：気分が悪い時は医師に連絡する こと。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

(4-クロロ-2-メチルフェノキシ)酢酸 価格

(4-クロロ-2-メチルフェノキシ)酢酸 化学特性,用途語,生産方法

• 外観

  白色, 結晶～結晶性粉末

• 溶解性

  エタノールに極めて溶けやすく、アセトンに溶けやすく、水に極めて溶けにくい。

• 農薬用途

  除草剤

• 化学的特性

  White, crystalline solid. Free acid insoluble in water but sodium and amine salts are soluble.

• 使用

  Labelled MCPA (C369470). Herbicide.

• 定義

  ChEBI: A chlorophenoxyacetic acid that is (4-chlorophenoxy)acetic acid substituted by a methyl group at position 2.

• 一般的な説明

  Colorless plates. Corrosive. Practically insoluble in water. Used as an herbicide.

• 空気と水の反応

  Insoluble in water.

• 农业用途

  Herbicide: A U.S. EPA restricted Use Pesticide (RUP) as MCPA, sodium salt. MCPA is a systemic post-emergence phenoxy herbicide used to control broadleaf annual and perennial weeds (including thistle and dock) in cereals, flax, rice, vines, peas, potatoes, grasslands, forestry applications, and on rights-of-way. It is very compatible with many other compounds and may be used in formulation with many other products, including bentazone, bromoxynil, 2,4-D, dicamba, fenoxaprop, MCPB, mecoprop, thifensulfuron, and tribenuron.

• 製品名

  ACME MCPA AMINE 4®; AGRITOX®; AGROXONE®; AGROZONE®; AGSCO®; ANICON KOMBI®; ANICON M®; BANLENE®; BLESEL MC®; BORDERMASTER®; BROMINAL M & PLUS®; CAMBILENE®; CHEYENNE®; CHIMAC OXY®; CHIPTOX®; CHWASTOX®; CORNOX M®; DAKOTA®; DED WEED®; DICOPUR-M®; DICOTEX®; DOW MCP AMINE WEED KILLER®; DYVEL®; EH1356 HERBICIDE®; EMCEPAN®; EMPAL®; ENVOY®; HEDAPUR M 52®; HEDAREX M®; HEDONAL M®; HERBICIDE M®; HORMOTUHO®; HORNOTUHO®; KILSEM®; 4 K-2 M®; KVK®; LEGUMEX DB®; LEUNA M®; LEYSPRAY®; LINORMONE®; M 40®; 2 M-4C®; 2 M-4KH®; MALERBANE®; MAYCLENE®; MEPHANAC®; MIDOX®; MXL®; OKULTIN®; PHENOXYLENE 50®; PHENOXYLENE PLUS®; PHENOXYLENE SUPER®; RAZOL DOCK KILLER®; RHOMENE®; RHONOX®; SHAMOX®; B-SELEKTONON M®; SEPPIC MMD®; TILLER®; TRIMEC®; U 46®; VACATE®; VESAKONTUHO®; WEEDAR®; WEEDAR MCPA CONCENTRATE®; WEEDONE MCPA ESTER®; WEED RHAP®; ZELAN®

• 安全性プロファイル

  Suspected carcinogen. Poison by subcutaneous and intravenous routes. Moderately toxic by ingestion. Human systemic effects by ingestion: blood pressure decrease and coma. Experimental teratogenic and reproductive effects. Mutation data reported. An herbicide. When heated to decomposition it emits toxic fumes of Cl-.

• 職業ばく露

  A potential danger to those involved in the manufacture, formulation, and application of this postemergence herbicide, used for control of broadleaf weeds in agricultural applications.

• 環境運命予測

  Biological. Cell-free extracts isolated from Pseudomonas sp. in a basal salt medium degraded MCPA to 4-chloro-o-cresol and glyoxylic acid (Gamar and Gaunt, 1971).
  Soil. Residual activity in soil is limited to approximately 3–4 months (Hartley and Kidd, 1987).
  Plant. The penetration, translocation and metabolism of radiolabeled MCPA in a cornland weed (Galium aparine) was studied by Leafe (1962). Carbon dioxide was identified as a metabolite but this could only account 7% of the applied MCPA. Though no
  Photolytic. When MCPA in dilute aqueous solution was exposed to summer sunlight or an indoor photoreactor (l >290 nm), 2-methyl-4-chlorophenol formed as the major product as well as o-cresol and 4-chloro-2-formylphenol (Soderquist and Crosby, 1975). Clapés et al. (1986) studied the photodecomposition of aqueous solution of MCPA (120 ppm, pH 5.4, 25°C) in a photoreactor equipped with a high pressure mercury lamp. After three minutes of irradiation, 4-chloro-2-methylphenol formed as an intermediate which degraded to 2-methylphenol. Both compounds were not detected after 6 minutes of irradiation; however, 1,4-dihydroxy-2-methylbenzene and 2-methyl-2,5-cyclohexadiene-1,4- dione formed as major and minor photodecomposition products, respectively. The same experiment was conducted using simulated sunlight (l <300 nm) in the presence of riboflavin, a known photosensitizer. 4-Chloro-2-methylphenol and 4-chloro-2-methylbenzyl formate formed as major and minor photoproducts, respectively (Clapés et al., 1986). Ozone degraded MCPA in dilute aqueous solution with and without UV light (l >300 nm) (Benoit-Guyod et al., 1986).
  Chemical/Physical. Reacts with alkalies forming water soluble salts (Hartley and Kidd, 1987). Ozonolysis of MCPA in the dark yielded the following benzenoid intermediates: 4-chloro-2-methylphenol, its formate ester, 5-chlorosalicyaldehyde, 5-chlo

• 輸送方法

  UN3345 Phenoxyacetic acid derivative pesticide, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required

• 純化方法

  It is insoluble in H2O (solubility is 0.55g/L at 20o) and recrystallises from *C6H6 or chlorobenzene as plates [J.nsson et al. Acta Chem Scand 6 993 1952]. The S-benzylisothiouronium salt has m 164-165o, and the Cu2+ salt has m 247-249o(dec) [Armarego et al. Nature 183 1176 1959, UV: Duvaux & Grabe Acta Chem Scand 4 806 1950, IR: J.berg Acta Chem Scand 4 798 1950]. [Beilstein 6 IV 1991.] It is a plant growth substance and a herbicide.

• 不和合性

  A weak acid. Compounds of the carboxyl group react with all bases, both inorganic and organic (i.e., amines) releasing substantial heat, water and a salt that may be harmful. Incompatible with arsenic compounds (releases hydrogen cyanide gas), diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides (releasing heat, toxic, and possibly flammable gases), thiosulfates and dithionites (releasing hydrogen sulfate and oxides of sulfur). Incompatible with alkalis.

• 廃棄物の処理

  Incineration with added flammable solvent; incinerator equipped with fume scrubber. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office

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