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Merck
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주요 문서

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219126

Sigma-Aldrich

β-Butyrolactone

98%

동의어(들):

beta-Butyrolactone, β-Methyl-β-propiolactone, 3-Hydroxybutyric acid β-lactone, 4-Methyl-2-oxetanone

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모든 사진(2)

About This Item

실험식(Hill 표기법):
C4H6O2
CAS Number:
3068-88-0
Molecular Weight:
86.09
EC Number:
221-330-3
MDL number:
MFCD00005170
UNSPSC 코드:
12352100
PubChem Substance ID:
24853107
NACRES:
NA.22

Quality Level

100

분석

98%

refractive index

n20/D 1.411 (lit.)

bp

71-73 °C/29 mmHg (lit.)

mp

−43.5 °C (lit.)

density

1.056 g/mL at 25 °C (lit.)

작용기

ester

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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관련 카테고리

일반 설명

β-Butyrolactone undergoes ring opening polymerization in the presence of ethoxy-bridged dinuclear indium catalyst to yield biodegradable polyester poly(hydroxybutyrate). Polymerization of racemic β-butyrolactone in the presence of chiral initiators has been reported. It is versatile building block for organic synthesis.

애플리케이션

β-Butyrolactone was used in the preparation of (3-O-[oligo-(3-hydroxybutyrate ester)] fluorescein, fluorescein derivative of poly(3-hydroxybutyrate) via anionic polymerization.

픽토그램

FlameHealth hazardExclamation mark
GHS02,GHS08,GHS07

신호어

Warning

유해 및 위험 성명서

H226,H315,H319,H351

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

140.0 °F - closed cup

Flash Point (°C)

60 °C - closed cup

개인 보호 장비

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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시험 성적서(COA)

Lot/Batch Number
MKCQ7606
MKCN4283
MKBZ4944V
MKBJ3709V
04028EJ

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ε-Caprolactone 97%

Sigma-Aldrich

704067

ε-Caprolactone

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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