1,3-ジエチル-2-チオ尿素 化學(xué)特性,用途語(yǔ),生産方法
外観
白色～わずかにうすい黃褐色, 結(jié)晶～結(jié)晶性粉末又はフレーク
溶解性
水に可溶。有機(jī)溶媒に可溶。水に溶ける。
用途
加硫促進(jìn)剤
用途
クロロプレンゴム用加硫促進(jìn)剤で,エチレンチオ尿素より早期加硫,加硫ともに速く,加硫平擔(dān)性がある。分散性が良く,ゴムへの溶解度も優(yōu)れる。
説明
Diethylthiourea, a thiourea derivative, is used mainly
as a rubber chemical, particularly in solid neoprene
products.
化學(xué)的特性
white to buff-coloured solid
使用
Diethyl thiourea is the inhibitor of corrosion in metal pick/ing solutions; accelerator for mercaptan-modified chloroprene rubber; antidegradant for
natural, nitrile-butadiene, styrene-butadiene, and chloroprene rubbers
定義
ChEBI: Thiourea in which each nitogen carries an ethyl substituent.
一般的な説明
Buff solid or white powder.
空気と水の反応
N,N'-Diethylthiourea may be sensitive to exposure to air. . Slightly soluble in water.
反応プロフィール
N,N'-Diethylthiourea is an amide. Amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).
健康ハザード
ACUTE/CHRONIC HAZARDS: When heated to decomposition N,N'-Diethylthiourea emits toxic fumes.
火災(zāi)危険
Flash point data are not available for N,N'-Diethylthiourea, but N,N'-Diethylthiourea is probably combustible.
接觸アレルゲン
Diethylthiourea, a thiourea derivative, is used mainly as a
rubber chemical, particularly in solid neoprene products.
安全性プロファイル
Poison by ingestion.
Moderately toxic by intraperitoneal route.
Questionable carcinogen with experimental
carcinogenic data. Mutation data reported.
When heated to decomposition it emits very
toxic fumes of NOx and SOx
純化方法
Crystallise it from *benzene. [Beilstein 4 H 118, 4 I 355, 4 II 610, 4 III 220, 4 IV 375.]
1,3-ジエチル-2-チオ尿素 上流と下流の製品情報(bào)
原材料
準(zhǔn)備製品