539996
乙酸酐
99.5%
别名:
Acetanhydride, Acetic acid anhydride, Acetyl acetate, Acetyl anhydride, Ethanoic anhydride
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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
UNSPSC Code:
12352100
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-564-8
Beilstein/REAXYS Number:
385737
MDL number:
Assay:
99.5%
vapor density
3.5 (vs air)
Quality Level
vapor pressure
10 mmHg ( 36 °C), 4 mmHg ( 20 °C)
assay
99.5%
autoignition temp.
629 °F
expl. lim.
10.3 %
refractive index
n20/D 1.390 (lit.)
bp
138-140 °C (lit.)
mp
−73 °C (lit.)
solubility
water: slightly soluble
density
1.08 g/mL (lit.)
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
General description
Acetic anhydride is a carboxylic acid anhydride commonly used for the acetylation of amines and alcohols. It undergoes exothermic reaction on addition of water to form acetic acid. The photodecomposition of acetic anhydride has been studied over the temperature range from 60-160°C. The impact of treating pine wood with acetic anhydride has been investigated to evaluate the toughness of pine wood.
Application
Acetic anhydride has been used in the preparation of 6-dimethylamino-2,3-naphthalenedicarboxylic anhydride. It has also been used to generate acetate ions during high resolution chemical ionization mass spectrometry (CI-ToFMS) analysis.
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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
法规信息
新产品
此项目有
Toughness of pine wood chemically modified with acetic anhydride.
Papadopoulos AN and Tountziarakis P.
European Journal of Wood and Wood Products, 70(1-3), 399-400 (2012)
Acetic Anhydride Hydrolysis at High Acetic Anhydride to Water Ratios.
Fritzler BC, et al.
International Journal of Chemical Kinetics, 46(3), 151-160 (2014)
Photolysis of Acetic Anhydride.
Burwasser H and Taylor HA.
J. Chem. Phys. , 23(12), 2295-2299 (1955)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 539996-25G | 04061832566689 |
| 539996-1KG | 04061832566672 |
| 539996-18KG | 04061832566665 |
| 539996-4KG | 04061832566696 |