フタル酸ビス(2-エチルヘキシル) 化学特性,用途語,生産方法
外観
無色澄明の液体
定義
本品は、フタル酸と2-エチルヘキシルアルコールのジエステルであり、次の化学式で表される。
溶解性
水に微溶 (0.1mg/100ml水, 25℃)。エタノール及びアセトンに極めて溶けやすく、水にほとんど溶けない。
解説
フタル酸ビス(2-エチルヘキシル)，フタルサンビスエチルヘキシル，C24H38O4(390.56)．略称DEHP．Pterocarpus angolensisの心材から得られた．無水フタル酸とエチルヘキシルアルコールとを酸の存在下に加熱縮合させ製造される．無色の油で，凝固点－46 ℃，沸点231 ℃(666 Pa)．d250.9861．n25D1.483．粘度81 cP(20 ℃)．蒸気圧176 Pa(200 ℃)．有機溶媒に可溶．ビニル系樹脂と相容性がよい．ポリ塩化ビニル，そのほかの樹脂，合成ゴムの可塑剤としてもっとも大量に用いられた．しかし，現在では環境汚染物質として危ぐされている．
用途
本物質の主な用途は、可塑剤として塩化ビニル製品(シート、レザー、電線被覆材、農業用ビニルフィルム等)等に添加されている
用途
可塑剤、染料、顔料、塗料、インク、接着剤、潤滑剤
用途
可塑剤(主に塩ビ)、電線被覆材の製造
用途
可塑剤、PCB代替材、電子工業充填材。
用途
DOPは塩化ビニル樹脂用可塑剤として、最も広範囲に使用されている代表的な汎用可塑剤です。
DOP-MSとは殆ど無臭に近いDOPですが、DOPのすぐれた点はすべて保持しています。
DOP－MSは可塑剤として、低臭が求められる軟質塩ビ製品に適しています。
用途
環境試料中のフタル酸エステルの分析（HPLC）用標準品、GC-MS分析標準品。
化粧品の成分用途
可塑剤、溶剤、香料
主な用途／役割
エマルション系接着剤の可塑剤、エポキシ樹脂系接着剤の希釈剤として使用される。
化学的特性
Bis(2-ethylhexyl)phthalate is a colorless liquid with a slight odor. It is miscible with mineral oil and hexane, and soluble in most organic solvents. Bis(2-ethylhexyl)phthalate is insoluble in water (NTP, 1994a).
使用
Bis(2-ethylhexyl) phthalate is commonly used plasticizing agent for PVCs, which as such is a component of blood bank bags, surgical tubing, and other products including food wrappers and children’s toys.
定義
ChEBI: A phthalate ester that is the bis(2-ethylhexyl) ester of benzene-1,2-dicarboxylic acid.
調製方法
DEHP is commercially produced via esterification of phthalic
acid anhydride and 2-ethylhexanol. Esterification is completed
with an acid or metal catalyst or with no catalyst at
high temperature.
一般的な説明
Colorless to pale yellow oily liquid. Nearly odorless.
空気と水の反応
Insoluble in water.
反応プロフィール
Bis(2-ethylhexyl) phthalate reacts with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing with alkali metals and hydrides. Incompatible with nitrates .
健康ハザード
Inhalation can cause nausea and irritation of nose and throat. Contact of liquid with eyes or skin causes irritation. Ingestion can cause abdominal cramps, nausea and diarrhea.
化学反応性
Reactivity with Water No reaction; Reactivity with Common Materials: No reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
安全性プロファイル
Confirmed carcinogen
with experimental carcinogenic and
tumorigenic data. Experimental teratogenic
data. Other experimental reproductive
effects. Poison by intravenous route.
Human systemic effects by ingestion:
gastrointestinal tract effects. A mild skin
and eye irritant. When heated to
decomposition it emits acrid smoke.
職業ばく露
Bis(2-ethylhexyl)phthalate is primarily used as one of several plasticizers in polyvinyl chloride resins used for fabricating flexible vinyl products. It has also been reported as being used as a replacement for polychlorinated biphenyls (PCBs) in dielectric fluids for electric capacitors and in vacuum pumps (NTP, 1994a; Merck, 1989). The primary stationary sources that have reported emissions of bis(2-ethylhexyl)phthalate in California are furniture and fixtures manufacturing, and lumber and wood products manufacturing (ARB, 1997b).
発がん性
Di(2-ethylhexyl) phthalate (DEHP) is reasonably anticipated to be
a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.
代謝
Bis(2-ethylhexyl) phthalate is metabolized in fish by enzymatic hydrolysis to mono-2-ethylhexyl phthalate, phthalic acid, and glucuronides of these compounds (Stalling et al., 1973).
純化方法
Wash the ester with Na2CO3 solution, then shake it with water. After the resulting emulsion has been broken by adding ether, the ethereal solution is washed twice with water, dried (CaCl2), and evaporated. The residual liquid is distilled several times under reduced pressure, then stored in a vacuum desiccator over P2O5 [French & Singer J Chem Soc 1424 1956]. [Beilstein 9 IV 3184.]
フタル酸ビス(2-エチルヘキシル) 上流と下流の製品情報
原材料
準備製品