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外観
白色、結晶～粉末又はフレーク又は塊
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定義
本品は、次の化学式で表される有機化合物である。
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溶解性
水, エタノール, アセトンに易溶. 水 (190/100g at 20℃)。水、エタノール及びアセトンに溶けやすい。
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化粧品の成分用途
可塑剤、溶剤
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主な用途／役割
ポリウレタン樹脂系接着剤の原料として使用される。
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化学的特性
white solid
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使用
2,2-Dimethyl-1,3-propanediol may be used in the synthesis of:
- 2,2-dimethyl-1,3-propanediol cyclic phosphorochloridate
- 2,2-dimethyl-1,3-propanediol cyclic phenylphosphonate
- [1′,3′-(2′,2′-dimethylpropylene)]-2-iodo-3-octyl-5-thienylboronate
- cyclic carbonate
- 2,2-dimethyl-1,3-propanediol bis(cyclic-2,2-dimethyltrimethylene phosphite)
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一般的な説明
White crystalline solid. Melting point 130°C.
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空気と水の反応
Soluble in water.
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反応プロフィール
2,2-Dimethyl-1,3-propanediol may generate toxic gases in combination of with alkali metals, nitrides, and strong reducing agents. Reacts with inorganic acids and carboxylic acids to form esters plus water. Converted to aldehydes or acids by oxidizing agents. May initiate the polymerization of isocyanates and epoxides.
In addition to the reactions typical of primary alcohols, such as ester, ether, and carbamate (urethane) formation, 1,3-diols give six-membered cyclic derivatives with carbonyl compounds, carbonates, phosphites, sulfifites, and borates.
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健康ハザード
May be harmful by ingestion or skin absorption. Causes eye and skin irritation. Material is irritating to mucous membrane and upper respiratory tract. INHALATION: Call for medical aid. Remove to fresh air. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen.
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火災危険
Special Hazards of Combustion Products: Emits toxic fumes under fire condition.
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Solubility in water
Neopentyl glycol is soluble in water, alcohols, and ketones, moderately soluble in hot
aromatic solvents, such as benzene and toluene,
and relatively insoluble in aliphatic and cycloaliphatic solvents.
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純化方法
Crystallise the diol from *benzene or acetone/water (1:1). [Beilstein 1 IV 2551.]
