等级
ACS reagent
质量水平
蒸汽密度
3.5 (vs air)
蒸汽压
10 mmHg ( 36 °C)
4 mmHg ( 20 °C)
检测方案
≥98.0%
形式
liquid
自燃温度
629 °F
expl. lim.
10.3 %
杂质
MnO4- reducers, passes test
蒸发残留物
≤0.003%
折射率
n20/D 1.390 (lit.)
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
溶解性
H2O: slightly soluble
密度
1.08 g/mL (lit.)
痕量阴离子
chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤5 ppm
痕量阳离子
Fe: ≤5 ppm
heavy metals: ≤2 ppm
SMILES字符串
CC(=O)OC(C)=O
InChI
1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI key
WFDIJRYMOXRFFG-UHFFFAOYSA-N
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一般描述
醋酸酐是一种有机溶剂溶于水后，其可经过溶剂分解得到乙酸。它被广泛用于各种醇的乙酰化。Wacher法（起始试剂＝烯酮）和Knapsack法（起始试剂＝乙醛）已报到可用于工业上制备乙酸酐。
应用
醋酸酐已作为反应组分之一，用于制备：
- 2-乙酰氨基-5-氨基苯磺酸
- 3,3′-双(磺酸根基)-4,4′-双(氯乙酰氨基)偶氮苯(BSBCA)
- 10-乙酸基-9-硝基硬脂酸，烯丙酯
- 9-硝基油酸
警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
WGK
WGK 1
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
危险化学品
易制毒化学品（2类）
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