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Merck

P51478

Sigma-Aldrich

丙酸酐

97%

别名:

初油酸酐

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About This Item

线性分子式:
(CH3CH2CO)2O
CAS号:
分子量:
130.14
Beilstein:
507066
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

蒸汽密度

4.5 (vs air)

品質等級

蒸汽壓力

10 mmHg ( 57.7 °C)

化驗

97%

自燃溫度

545 °F

expl. lim.

11.9 %

折射率

n20/D 1.404 (lit.)

bp

167 °C (lit.)

mp

−43 °C (lit.)

溶解度

H2O: decomposes (when in contact with water)

密度

1.015 g/mL at 25 °C (lit.)

SMILES 字串

CCC(=O)OC(=O)CC

InChI

1S/C6H10O3/c1-3-5(7)9-6(8)4-2/h3-4H2,1-2H3

InChI 密鑰

WYVAMUWZEOHJOQ-UHFFFAOYSA-N

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應用

丙酐可作为酰化剂用于脂肪酶催化的醇类酯化反应。近年来的研究表明,丙酸酐改性木屑制备的刨花板具有较高的尺寸稳定性。

象形圖

Corrosion

訊號詞

Danger

危險聲明

危險分類

Eye Dam. 1 - Skin Corr. 1B

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

165.2 °F - closed cup

閃點(°C)

74 °C - closed cup

個人防護裝備

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Dimensional stabilisation and strength of particleboard by chemical modification with propionic anhydride.
Papadopoulos AN & Gkaraveli A
European Journal of Wood and Wood Products, 61(2), 142-144 (2003)
Anhydrides as acylating agents in lipase-catalyzed stereoselective esterification of racemic alcohols.
Bianchi D, et al.
The Journal of Organic Chemistry, 53(23), 5531-5534 (1988)
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International journal of pharmaceutics, 337(1-2), 265-274 (2007-01-27)
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Haim Tsubery et al.
The Journal of biological chemistry, 279(37), 38118-38124 (2004-06-11)
Polyethylene glycol (PEG)-conjugated therapeutic peptides/proteins have been shown to exhibit clinical properties superior to those of their corresponding unmodified parent molecules. However, the desirable pharmacological features gained by protein PEGylation become irrelevant if conjugates are inactivated or cannot reach their
Mo Xu et al.
Methods in enzymology, 512, 29-55 (2012-08-23)
In eukaryotic cells, posttranslational modifications (PTMs) on histones regulate chromatin structure and thus impact nearly all chromatin-templated events, including replication, transcription, and DNA repair. During S phase, newly synthesized histones are deposited onto DNA, leading to dilution of total chromatin-associated

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