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CAS號(hào):520-45-6
英文名稱:Dehydroacetic acid
英文同義詞:DHA;dhaa;DEHYDRANONE;Biocide 470F;Geogard(R) 221;Geogard(R) 361;Geogard(R) 111A;DA,Dehydroacetic;DEHYDRACETSAEURE;dehydro-aceticaci
中文名稱:脫氫乙酸
中文同義詞:水乙酸;保果鮮;脫水乙酸;脫氫乙酸;脫氫醋酸;脫水醋酸;脫水乙酸;脫氫乙羧;乙醇中脫氫乙酸;脫氫乙酸對(duì)照品
分子式:C8H8O4
分子量:168.15
熔點(diǎn):111-113 °C (lit.)
沸點(diǎn):270 °C (lit.)
密度:1.1816 (rough estimate)
蒸氣壓:0.001 hPa (20 °C)
折射率:1.4611 (estimate)
閃點(diǎn):157°C
儲(chǔ)存條件:Store below +30°C.
溶解度:2g/l
酸度系數(shù)(pKa):5.53±0.40(Predicted)
形態(tài):Fine Crystalline Powder
顏色:Light yellow or cream
PH值:4 (2g/l, H2O, 20℃)
Merck:14,2865
BRN:6129
穩(wěn)定性:Stable. Incompatible with oxidizing agents, bases, reducing agents.
InChIKey:PGRHXDWITVMQBC-UHFFFAOYSA-N
CAS 數(shù)據(jù)庫(kù):520-45-6(CAS DataBase Reference)
NIST化學(xué)物質(zhì)信息:Dehydroacetic Acid(520-45-6)
EPA化學(xué)物質(zhì)信息:3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione (520-45-6)