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Detail of "79-31-2"

  • CAS Number:
  • 79-31-2
  • Name:

  • Propanoic acid,2-methyl-

  • Superlist Name:
  • Isobutyric acid
  • Molecular Structure:
  • Formula:
  • C4H8O2
  • Molecular Weight:
  • 88.12
  • Synonyms:
  • Isobutyricacid (8CI);2-Methylpropanoic acid;2-Methylpropionic acid;2-Propanecarboxylicacid;Dimethylacetic acid;Isobutanoic acid;Isopropylformic acid;NSC 62780;i-Butyric acid;iso-Butyric acid;a-Methylpropanoic acid;a-Methylpropionic acid;
  • EINECS:
  • 201-195-7
  • Density:
  • 0.983 g/cm3
  • Melting Point:
  • -47 °C
  • Boiling Point:
  • 155.2 °C at 760 mmHg
  • Flash Point:
  • 58.2 °C
  • Solubility:
  • water: 210 g/L (20 °C)
  • Appearance:
  • clear colorless liquid
  • Hazard Symbols:
  • IrritantXi
  • Risk Codes:
  • 21/22
  • Safety:
  • 23-36/37/39 Details
  • Transport Information:
  • UN 2529 3/PG 3
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CAS No.79-31-2 Isobutyric acidCompetitive Product

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CAS No.79-31-2 Isobutyric acid

ISOBUTYRIC ACID ，2-Methylpropionic Acid, Isopropylformic acid

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CAS No.79-31-2 Isobutyric acid

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CAS No.79-31-2 Isobutyric acid

Isobutyric acid (2-methyl propionic acid) Category:Organic chemicals and derivatives CAS NO:79-31-2 MW:88.11 EC NO:201-195-7 Isobutyric acid Category: Organic chemicals and derivatives CAS NO: 79-31-2 MW: 88.11 EC NO: 201-195-7 MF: C4

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CAS No.79-31-2 Isobutyric acid

isobutyric acid

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Isobutyric acid(

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CAS No.79-31-2 Isobutyric acid

The physicochemical properties of: Character colorless oily liquid, with a strong excitant odour. Melting point-47 ℃ Boiling point 154.5 ℃ The relative density of 0.949 The refractive index of 1.3930 The flash point of 76.67 Solubility can and water immiscible, soluble in

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CAS No.79-31-2 Isobutyric acid

Assay:Isobutyric a...  Appearance:Transparent ...  Package:Drum for 25l...Storage:It is inflam...

Product Description Product name: Isobutyric acid Product name: Isobutyric Acid, 2-Methylpropyl acid Chemical formula: (CH3)2CHCOOH Molecular formula: C4H8O2 Appearance: Colorless transparent liquid with strong irritating smell. B. P.: 153-155 Centigrade M. P.: -47

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CAS No.79-31-2 Isobutyric acid

1. Product Name: Isobutyric acid 2. MF: C4H8O2 3. CAS NO.: 79-31-2 4. Grade Standard: Industrial Grade 5. Purity: 99%min 6. Appearance: Colorless transparent liquid 7. Application: Daily Flavor, Food Flavor, Intermediate. 8. Our Advantages: Highest quality, most competiti

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Isobutyric acid

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Min. Order:20Metric Ton

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ISO BUTYRIC ACID

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ISOBUTYRIC ACID

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Reference

Methacrylic acid production
Methacrylic acid production. Moreschini, Luciano; Dalloro, Leonardo; Cavaterra, Enrico; Petrini, Guido; Covini, Romano (Montedison S.p.A. , Italy). U.S. US 4499302 A 12 Feb 1985, 5 pp. (English). (United States of America). CODEN: USXXAM. CLASS: ICM: C07C051-377. ICS: C07C057-05. NCL: 562599000. APPLICATION: US 80-120397 11 Feb 1980. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Section cross-reference(s): 23 Methacrylic acid (I) [79-41-4] is prepd. by oxidative dehydrogenation of the corresponding satd. acid with O at 340-440° in the presence of a mixed metal oxide FePxMyMt1Oz (M 3 1 alkali or alk.-earth element; M1 3 1 of Ni, Cu, Ce, Al, Zr, Hf, and Pr; x = 0.2-15; y = 0.01-2; t = 0.01-5; z satisfies the valencies of the other elements). Thus, Fe nitrate 303.3, KNO3 50.5, Ni nitrate 145.5, and H3PO4 (as 85% soln. in 600 mL H2O) 222 g were dissolved in H2O and treated with 440 cm3 32% aq. NH3 to give a slurry that was dried at 130° for 12 h and activated by heating at 540° for 2 h, giving Fe1.5NiKP3.85Oz. Oxidative dehydrogenation of isobutyric acid [79-31-2] in the presence of the above catalyst at 392° gave 61.3% I.
Some acids isolated from the fraction of hydroformylation residues remaining after steam stripping
Some acids isolated from the fraction of hydroformylation residues remaining after steam stripping. Hofman, Jiri (Lab. Syntet. Paliv, Vys. Sk. Chemickotechnol., Prague, Czech.). Chem. Prum., 35(2), 79-82 (Czech) 1985. CODEN: CHPUA4. ISSN: 0009-2789. DOCUMENT TYPE: Journal CA Section: 45 (Industrial Organic Chemicals, Leather, Fats, and Waxes) Section cross-reference(s): 23, 80 Hydroformylation residues, which were obtained in manuf. of butanal [123-72-8] by hydroformylation of propylene [115-07-1], were steam-stripped, the residue after stripping was sepd. into 3 fractions b. at 116-212° at 2.39 kPa, and the compn. of the fractions was detd. by IR spectroscopy and gas chromatog. The amts. of acids and esters in the fractions studied were 6-21 and 19-32%, resp. Besides 2-ethylhexanoic acid [149-57-5], butyric acid [107-92-6], and their esters, which were found in the greatest amts., the distn. residues contained also 2-methylpropionic acid [79-31-2], 2-ethyl-2-hexenoic acid [5309-52-4], and a series of other nonidentified acids, as well as their esters.
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