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CAS號(hào):89-05-4
英文名稱:Pyromellitic acid
英文同義詞:usafxr-20;USAF xr-20;AKOS AUF2102;pyromelliticaci;Pyrome1htic Acid;PYROMELLITIC ACID;RARECHEM AL BO 0488;PyromelliticAcid>BUFFER SOLUTION, PH 7.7;PYROMELLITICACID,DRYCAKE
中文名稱:均苯四甲酸
中文同義詞:苯均四酸;均苯四酸;焦蜜石酸;均苯四甲酸;均苯四甲酸 水合物;均苯四甲酸 25G;均苯四甲酸,96%;均苯四甲酸 JBSJS;均苯四甲酸鈉緩沖液 溶液;1,2,3,4-苯四羧酸
分子式:C10H6O8
分子量:254.15
熔點(diǎn):281-284.5 °C(lit.)
沸點(diǎn):317.36°C (rough estimate)
密度:0,56 g/cm3
折射率:1.7010 (estimate)
閃點(diǎn):325 °C
儲(chǔ)存條件:Store below +30°C.
溶解度:0.1 M NaOH: 0.2 M, clear, faintly yellow
酸度系數(shù)(pKa):pK1: 1.92;pK2: 2.87;pK3: 4.49;pK4: 5.63 (25°C)
形態(tài):Crystalline Powder
顏色:White to very slightly yellow
水溶解性:1.5 g/100 mL (20 ºC)
Merck:14,8004
穩(wěn)定性:Stable. Incompatible with strong oxidizing agents, strong bases.
InChIKey:CYIDZMCFTVVTJO-UHFFFAOYSA-N
CAS 數(shù)據(jù)庫(kù):89-05-4(CAS DataBase Reference)
NIST化學(xué)物質(zhì)信息:1,2,4,5-Benzene-tetracarboxylic acid(89-05-4)
EPA化學(xué)物質(zhì)信息:1,2,4,5-Benzenetetracarboxylic acid (89-05-4)