Dehydroacetic acid
Molecular Structure:
MDL:
MFCD00066709
Molecular Formula:
C8H8O4
Molecular Weight:
168.14
Alias:
3-乙酰基-6-甲基-2H-吡喃-2,4(3H)二酮,脫氫醋酸
2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone
3-Acetyl-4-hydroxy-6-methyl-2-pyrone
DHA
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Dehydroacetic acid |
98% |
100g |
RMB 88 |
Consulting service |
Dehydroacetic acid |
98% |
500g |
RMB 429 |
Consulting service |
Dehydroacetic acid |
98% |
25g |
RMB 55 |
Consulting service |
Character:
白色或淺黃色結(jié)晶粉末,無臭、無味。難溶于水,溶于堿水,易溶于丙酮、乙醚、苯及熱乙醇,受熱升華。對光熱較穩(wěn)定。無吸濕性,加熱可隨著水蒸氣一起揮發(fā)。 溶解度(W/W,25℃);丙酮22%,苯18%,甲醇5%,四氯化碳3%,乙醇3%,水<0.1%。
熔點:109-111℃
沸點:269.9℃
Quality Standard:
外觀Appearance 淺黃色或乳白色結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥98.0% (中和滴定)
熔點Melting point 109°C - 112°C
丙酮溶解試驗Solubility in Acetone 合格
硫酸鹽灰分Sulfated ash <0.1 % (700°C, 2 小時)
Storage:
密封保存
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