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等級
ACS reagent
品質等級
蒸汽密度
3.5 (vs air)
蒸汽壓力
10 mmHg ( 36 °C)
4 mmHg ( 20 °C)
化驗
≥98.0%
形狀
liquid
自燃溫度
629 °F
expl. lim.
10.3 %
雜質
MnO4- reducers, passes test
蒸發殘留物
≤0.003%
折射率
n20/D 1.390 (lit.)
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
溶解度
H2O: slightly soluble
密度
1.08 g/mL (lit.)
負離子痕跡
chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤5 ppm
正離子痕跡
Fe: ≤5 ppm
heavy metals: ≤2 ppm
SMILES 字串
CC(=O)OC(C)=O
InChI
1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI 密鑰
WFDIJRYMOXRFFG-UHFFFAOYSA-N
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一般說明
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。
應用
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
訊號詞
Danger
危險分類
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
儲存類別代碼
3 - Flammable liquids
水污染物質分類（WGK）
WGK 1
閃點（°F）
120.2 °F - closed cup
閃點（°C）
49 °C - closed cup
個人防護裝備
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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