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关于此项目
线性分子式:
(CH3CO)2O
化学文摘社编号:
分子量:
102.09
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
203-564-8
MDL number:
Beilstein/REAXYS Number:
385737
Assay:
≥98.0%
Form:
liquid
产品名称
乙酸酐, ACS reagent, ≥98.0%
grade
ACS reagent
Quality Segment
vapor density
3.5 (vs air)
vapor pressure
10 mmHg ( 36 °C), 4 mmHg ( 20 °C)
assay
≥98.0%
form
liquid
autoignition temp.
629 °F
expl. lim.
10.3 %
impurities
MnO4- reducers, passes test
evapn. residue
≤0.003%
refractive index
n
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
solubility
H2O: slightly soluble
density
1.08 g/mL (lit.)
anion traces
chloride (Cl-): ≤5 ppm, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤5 ppm
cation traces
Fe: ≤5 ppm, heavy metals: ≤2 ppm
functional group
anhydride, ester
SMILES string
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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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
存储类别
3 - Flammable liquids
flash_point_f
120.2 °F - closed cup
flash_point_c
49 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


