Merck
CN

219126

Sigma-Aldrich

β-丁内酯

98%

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别名:
β-甲基-β-丙内酯, 3-羟基丁酸 β-内酯, 4-甲基-β-丙酰内酯
经验公式(希尔记法):
C4H6O2
CAS号:
分子量:
86.09
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

质量水平

检测方案

98%

折射率

n20/D 1.411 (lit.)

bp

71-73 °C/29 mmHg (lit.)

mp

−43.5 °C (lit.)

密度

1.056 g/mL at 25 °C (lit.)

SMILES string

CC1CC(=O)O1

InChI

1S/C4H6O2/c1-3-2-4(5)6-3/h3H,2H2,1H3

InChI key

GSCLMSFRWBPUSK-UHFFFAOYSA-N

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一般描述

β-丁内酯在乙氧基桥连双核铟催化剂存在下进行开环聚合,得到可生物降解的聚酯聚羟基丁酸酯外消旋手性引发剂存在下的β-丁内酯聚合已有报道。它是有机合成的通用构件。

应用

β-丁内酯用于阴离子聚合制备(3-O-\ [olig-(3-羟基丁酸酯)] 荧光素,聚(3-羟基丁酸酯)的荧光素衍生物

警示用语:

Warning

危险分类

Carc. 2 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

140.0 °F - closed cup

闪点(°C)

60 °C - closed cup

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

法规信息

危险化学品

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Cuiling Xu et al.
Chemical communications (Cambridge, England), 48(54), 6806-6808 (2012-06-07)
An ethoxy-bridged dinuclear indium catalyst was used for the ring opening polymerization of the cyclic ester β-butyrolactone to form the biodegradable polyester poly(hydroxybutyrate) (PHB). The catalyst shows remarkable activity and control during polymerization, allowing for formation of diblock polymers. Addition
Fang-qiong Li et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 30(31), 10351-10359 (2010-08-06)
Cocaine use and relapse involves learned associations between cocaine-associated environmental contexts and discrete stimuli and cocaine effects. Initially, these contextual and discrete cues undergo memory consolidation after being paired with cocaine exposure. During abstinence, cocaine cue memories can undergo memory
Z G Arkin et al.
Journal of biomaterials science. Polymer edition, 12(3), 297-305 (2001-08-04)
The reactions of (R,S) beta-butyrolactone with L-alanine and related oligopeptides (Ala-Ala-Ala) were investigated. The resulting water-soluble oligomers were composed of poly[(R,S)-3-hydroxybutanoic acid] (a-PHB) covalently conjugated to L-alanine and Ala-Ala-Ala oligopeptide. The other chain end was of the carboxylic acid type.
beta-Butyrolactone.
IARC monographs on the evaluation of carcinogenic risks to humans, 71 Pt 3, 1317-1318 (1999-09-07)
Noureddine Ajellal et al.
Chemical communications (Cambridge, England), 46(7), 1032-1034 (2010-02-04)
Grafting of [Ln(BH(4))(3)(THF)(3)] (Ln = La, Nd) onto silica affords materials containing well-identified bis(borohydride) surface species. The neodymium-decorated silica converts the beta-butyrolactone monomer into highly isotactic poly(beta-hydroxybutyrate). Under similar conditions, the molecular precursor gives rise to an atactic polymer.

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