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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