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この商品について
化学式:
(CH3CO)2O
CAS番号:
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
製品名
無水酢酸, ACS reagent, ≥98.0%
InChI key
WFDIJRYMOXRFFG-UHFFFAOYSA-N
InChI
1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
SMILES string
CC(=O)OC(C)=O
grade
ACS reagent
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
n20/D 1.390 (lit.)
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
Quality Level
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Application
無水酢酸は以下の合成において反応成分の1つとして使用されています:
- 2-アセチルアミノ-5-アミノベンゼンスルホン酸
- 3,3′-ビス(スルホナト)-4,4′-ビス(クロロアセトアミド)アゾベンゼン(BSBCA)
- 10-アセトキシ-9-ニトロ-オクタデカン酸 アリルエステル
- 9-ニトロ-オレイン酸
General description
無水酢酸は有機溶媒です。水に溶解すると加溶媒分解を受け、酢酸が得られます。多様なアルコールのアセチル化に広く用いられます。無水酢酸の工業生産についてはWacherプロセス(開始試薬+ケテン)及びKnapsackプロセス(開始試薬=アセトアルデヒド)が報告されています。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
保管分類
3 - Flammable liquids
wgk
WGK 1
flash_point_f
120.2 °F - closed cup
flash_point_c
49 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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