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CAS No 517-23-7 , 3-acetyloxolan-2-one

  • Name: 3-acetyloxolan-2-one
  • Synonyms: 3-Acetyltetrahydro-2-furanone; 3-acetyldihydro-; 3-Acetyldihydro-2(3H)-furanone;2(3H)-Furanone; 517-23-7; 2-Oxo-3-acetyltetrahydrofuran;3-acetyloxolan-2-one;
  • CAS Registry Number:
  • Transport: 240kgs
  • Melting Point: BOLING
  • Flash Point: 140 ºC
  • Boiling Point: 107-108 ºC (5 MMHG)
  • Density: 1.185
  • Refractive index: 1.4585
  • Water Solubility: 310 G/L (20 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29322980
  • Flash Point: 140 ºC
  • EINECS: 208-235-2
  • Molecular Weight: 128.12592
  • InchiKey: OMQHDIHZSDEIFH-UHFFFAOYSA-N
  • InChI: InChI=1S/C6H8O3/c1-4(7)5-2-3-9-6(5)8/h5H,2-3H2,1H3
  • Risk Statements: S26;S37/39
  • Molecular Formula: C6H8O3
  • Molecular Structure:CAS No:517-23-7 3-acetyloxolan-2-one

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517-23-7 ALPHA-ACETYL-GAMMA-BUTYROLACTONE; 98%

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517-23-7 3-acetyloxolan-2-one

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517-23-7 2-ACETYL-SULFO-GAMMA-BUTYROLACTONE

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517-23-7 2-Acetylbutyrolactone

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517-23-7 ALPHA-ACETYL-GAMMA-BUTYROLACTONE 98+%

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517-23-7 Acetyl Butyro Lactone

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References of 3-acetyloxolan-2-one
Title: a-Acetylbutyrolactone
CAS Registry Number: 517-23-7
CAS Name: 3-Acetyldihydro-2(3H)-furanone
Synonyms: a-(2-hydroxyethyl)acetoacetic acid g-lactone; a-acetyl-g-hydroxybutyric acid g-lactone; a-acetobutyrolactone
Molecular Formula: C6H8O3
Molecular Weight: 128.13
Percent Composition: C 56.24%, H 6.29%, O 37.46%
Literature References: Prepn from sodium acetoacetate and ethylene oxide in abs alcohol: Knunyantz et al., Compt. Rend. Acad. Sci. (U.R.S.S.) [N.S.] 1, 312 (1934), C.A. 28, 4383 (1934); Feofilaktov, Onishchenko, J. Gen. Chem. USSR 9, 304 (1939), C.A. 34, 378 (1940); Forman; Johnson, US 2397134 and US 2443827 (1946, 1948 both to U.S. Industrial Chemicals).
Properties: Liquid; ester-like odor. Soly in water: 20% v/v; soly of water in lactone: 12% v/v. d420 1.1846; d2020 1.185-1.189; bp30 142-143°; bp18 130-132°; bp5 107-108°. nD20 1.4562 (Knunyantz); nD20 1.4590 (Feofilaktov). Acquires a blue to bluish-purple color when in contact with iron.
Boiling point: bp30 142-143°; bp18 130-132°; bp5 107-108°
Index of refraction: nD20 1.4562 (Knunyantz); nD20 1.4590 (Feofilaktov)
Density: d420 1.1846; d2020 1.185-1.189
CAUTION: Irritating to skin, mucous membranes.
Use: In synthesis of 3,4-disubstituted pyridines; of 5-(b-hydroxethyl)-4-methylthiazole.