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Squaric acid

Molecular Structure:
MDL:
MFCD00001334
Molecular Formula:
C4H2O4;(HO)2C4(=O)2
Molecular Weight:
114.06
Alias:
方酸,方形酸,3,4-二羟基-3-环丁烯-1,2-二酮 1-Cyclobutene-3,4-dione-1,2-diol 3,4-Dihydroxy-3-cyclobutene-1,2-dione
Product order:
Name Specifications Packing Price Delivery
Squaric acid 98% 1g RMB 121 Consulting service
Squaric acid 98% 5g RMB 319 Consulting service
Squaric acid 98% 25g RMB 1419 Consulting service
Squaric acid 98% 100g RMB 3916 Consulting service
Character:
具强酸性,其pKl=1.5;pK2=3.5。与三氯化铁水溶液产生深紫色。可被溴及高锰酸钾氧化,与苯肼无反应。性质与羧酸相似,可与碱成盐,可生成酯、酰氯、酰胺及混合酸酐。水中溶解度:20 G/L (30°C)。
熔点:300 °C
闪点:190 °C  
Quality Standard:
外观Appearance                          白色至灰色结晶粉末
红外光谱鉴别Infrared spectrometry       和对照品匹配
纯度Purity                              ≥98.0% (HPLC)
熔点Melting point                       ≥295°C 
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