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219126

Sigma-Aldrich

β-丁内酯

98%

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

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About This Item

经验公式（希尔记法）:
C4H6O2
CAS号:
3068-88-0
分子量:
86.09
EC號碼:
221-330-3
MDL號碼:
MFCD00005170
分類程式碼代碼:
12352100
PubChem物質ID:
24853107
NACRES:
NA.22

品質等級

100

化驗

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.)

官能基

ester

SMILES 字串

CC1CC(=O)O1

InChI

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

InChI 密鑰

GSCLMSFRWBPUSK-UHFFFAOYSA-N

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相关类别

一般說明

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。

應用

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 。

訊號詞

Warning

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

140.0 °F - closed cup

閃點（°C）

60 °C - closed cup

個人防護裝備

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCQ7606
MKCN4283
MKBZ4944V
MKBJ3709V
04028EJ

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Z Jedliński et al.
International journal of biological macromolecules, 25(1-3), 247-253 (1999-07-23)
Novel feasibility of fuctionalized poly(3-hydroxybutanoic acid), PHB, and its copolymers synthesis via ring-opening of beta-butyrolactone (ROP) mediated by activated anionic initiators or enzymes in vitro is presented. Using these new synthetic approaches, PHB with defined chemical structure of the end
Tatyana V Mahrova et al.
Inorganic chemistry, 48(9), 4258-4266 (2009-04-28)
A series of new yttrium complexes supported by the bulky enediamido dianionic ligand DAB(2-) (DAB(2-) = (2,6-C(6)H(3)iPr(2))NC(Me)=C(Me)N(2,6-C(6)H(3)iPr(2))(2-)), that is, {DAB}Y(THF)(2)(mu-Cl)(2)Li(THF)(2) (1), {DAB}Y(OtBu)(THF)(DME) (2), and {{DAB}Y(BH(4))(2)}{Li(DME)(3)} (3), was synthesized by salt metathesis. The complexes were isolated after recrystallization in 73, 66
Variably isotactic poly(hydroxybutyrate) from racemic beta-butyrolactone: microstructure control by achiral chromium(III) salophen complexes.
Manuela Zintl et al.
Angewandte Chemie (International ed. in English), 47(18), 3458-3460 (2008-04-05)
Pia A Elustondo et al.
PloS one, 8(9), e75812-e75812 (2013-10-03)
Poly(3-hydroxybutyrate) (PHB) is a polyester of 3-hydroxybutyric acid (HB) that is ubiquitously present in all organisms. In higher eukaryotes PHB is found in the length of 10 to 100 HB units and can be present in free form as well
Y Suzuki et al.
Biomacromolecules, 2(2), 541-544 (2001-12-26)
Recently, a variety of aliphatic polyesters have been synthesized using hydrolases such as lipases and PHB depolymerases, and the reaction mechanism for these enzyme-catalyzed polymerization has been discussed. In this paper, we have studied the involvement of the catalytic amino
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