3,4-ジカルボキシヘキサン二酸 化学特性,用途語,生産方法
化学的特性
White leaf-shaped or needle-shaped crystals. melting point 236-237℃ for dextrorotatory-levorotatory type, 189℃ for endocyclic type. Solubility of the product in water (g/100g water): 30℃, 18.5; 50℃, 45.5; 70℃, 81.8. Soluble in ethanol. There is almost no hygroscopicity, and the purity does not decrease when left for more than two years.
使用
1,2,3,4-Butanetetracarboxylic acid is used as a cross linking agent to prepare cotton cellulose in order to improve anti-prilling and flame retardant properties. It is used as a spacer in the cross-linking of titania nanoparticles to cotton. Further, it is used as a nonformaldehyde durable press finishing agent.
製造方法
1,2,3,4-butanetetracarboxylic acid is obtained by oxidation of tetrahydrophthalic anhydride.
1,2,3,4-butanetetracarboxylic acid is prepared by oxidative cleavage of tetraphthalic acid or anhydride by oxidation with ozone-containing gas, followed by oxygen-containing gas, with the mixture then being heated with a peroxide, e.g. H2 O2, at 100° C. to produce the butanetetracarboxylic acid.
Process for preparing 1,2,3,4-butanetetracarboxylic acid
一般的な説明
Leaflets (from water) or white powder.
空気と水の反応
Soluble in water.
健康ハザード
ACUTE/CHRONIC HAZARDS: When heated to decomposition 1,2,3,4-Butanetetracarboxylic acid emits acrid smoke and irritating fumes.
火災危険
Flash point data for 1,2,3,4-Butanetetracarboxylic acid are not available; however, 1,2,3,4-Butanetetracarboxylic acid is probably combustible.
3,4-ジカルボキシヘキサン二酸 上流と下流の製品情報
原材料
銅
cis-4-シクロヘキセン-1,2-ジカルボン酸無水物
硝酸
メタバナジウム酸アンモニウム
3,4-Furandiacetic acid, tetrahydro-2,5-dioxo-, 3,4-diethyl ester
Butanedioic acid, bromo-, diethyl ester
3a,4,7,7a-テトラヒドロイソベンゾフラン-1,3-ジオン
準備製品