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Detail of "1072-83-9"

  • MSDS Download
  • CAS Number:
  • 1072-83-9
  • Name:

  • Ethanone,1-(1H-pyrrol-2-yl)-

  • Superlist Name:
  • 2-Acetyl pyrrole
  • Molecular Structure:
  • Formula:
  • C6H7NO
  • Molecular Weight:
  • 109.13
  • Synonyms:
  • Ketone,methyl 2-pyrryl (4CI);Ketone, methyl pyrrol-2-yl (6CI,7CI,8CI);(2-Pyrrolyl)ethanone;1-(1H-Pyrrol-2-yl)ethanone;1-(2-Pyrrolyl)-1-ethanone;2-Acetyl-1H-indole;2-Acetyl-1H-pyrrole;2-Acetylpyrrole;2-Pyrrolyl methylketone;Methyl pyrrol-2-yl ketone;NSC 42861;2- acetyl pyrrole;
  • EINECS:
  • 214-016-2
  • Density:
  • 1.099 g/cm3
  • Melting Point:
  • 88-93 °C
  • Boiling Point:
  • 220.9 °C at 760 mmHg
  • Flash Point:
  • 92.4 °C
  • Solubility:
  • Soluble in hot water (Soluble in alcohol)
  • Appearance:
  • white to beige crystalline powder
  • Hazard Symbols:
  • HarmfulXn,IrritantXi
  • Risk Codes:
  • 22-37/38-36/37/38
  • Safety:
  • 37/39-26-24/25-36 Details
  • particular:
  • particular
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CAS No.1072-83-9 2-Acetyl pyrroleCompetitive Product

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CAS No.1072-83-9 2-Acetyl pyrrole

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Reference

Changes in aroma components of green tea during the firing process
Changes in aroma components of green tea during the firing process. Hara, Toshio; Kubota, Etsuro (Natl. Res. Inst. Tea, Shizuoka 428, Japan). Nippon Nogei Kagaku Kaishi, 58(1), 25-30 (Japanese) 1984. CODEN: NNKKAA. DOCUMENT TYPE: Journal CA Section: 17 (Food and Feed Chemistry) Volatile compds.Some commonly used reagents like 141-79-7 and 78-70-6 are used in this experiment. of green teas fired in a firing machine at 130° for 10, 20, and 30 min were prepd. by vacuum distn. and analyzed by gas chromatog. (GC) and GC-mass spectrometry for comparison with volatile compds. of nonfired green tea (raw tea). The major aroma compds. of raw tea decreased slightly during the firing process. The off-flavor compds. found in stored green tea decreased markedly during the firing process. Pyrazines, pyrroles, furans, 3,7-dimethyl-1,5,7-octatriene-3-ol [29957-43-5], and phenylacetaldehyde [122-78-1] were produced during firing. Methylpyrazine [109-08-0], 2,5-dimethylpyrazine [123-32-0], 1-ethylpyrrole-2-aldehyde [2167-14-8], 2-acetylpyrrole [1072-83-9], and furfural [98-01-1] increased markedly after firing for 30 min, and these pyrazines and pyrroles might be important volatiles in the formation of fired tea flavor. The amts. of 3,7-dimethyl-1,5,7-octatriene-3-ol and phenylacetaldehyde were higher in fired low-grade tea compared with high- and medium-grade tea. .
2-Acetyl-1-pyrroline and its use for flavoring foods
2-Acetyl-1-pyrroline and its use for flavoring foods. Buttery, Ronald G.; Ling, Louisa C.; Juliano, Bienvenido O (United States Dept. of Agriculture, USA). U. S. Pat. Appl. US 500049 A0 3 Feb 1984, 16 pp. Avail. NTIS Order No. PAT-APPL-6-500 049. (English). (United States of America). CODEN: XAXXAV. APPLICATION: US 83-500049 1 Jun 1983. DOCUMENT TYPE: Patent CA Section: 17 (Food and Feed Chemistry) Section cross-reference(s): 27 2-Acetyl-1-pyrroline (I) [85213-22-5] is isolated from rice and identified as the compd. responsible for the flavor and aroma of scented rice after cooking. I is chem.There are some commonly used reagents with their cas registry numbers 90145-78-1 and 85213-22-5 in this article. synthesized by the catalytic redn. of 2-acetylpyrrole [1072-83-9] followed by oxidn. of the intermediate 2-(1-hydroxyethyl)pyrrolidine [63848-93-1]. Thus, pure synthetic I or its salts at 0.001-10 ppm imparted a cooked scented rice flavor and aroma when added to bland rice or dishes prepd. with bland rice. .
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