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Merck
CN

30740

脱氢乙酸

≥98.0% (T)

别名:

3-乙酰基-6-甲基-2,4-吡喃二酮

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关于此项目

经验公式(希尔记法):
C8H8O4
化学文摘社编号:
分子量:
168.15
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-293-9
Beilstein/REAXYS Number:
6129
MDL number:
Assay:
≥98.0% (T)
Form:
powder
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Quality Level

assay

≥98.0% (T)

form

powder

bp

270 °C (lit.)

mp

111-113 °C (lit.)

functional group

ester, ketone

SMILES string

CC(=O)C1C(=O)OC(C)=CC1=O

InChI

1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

InChI key

PGRHXDWITVMQBC-UHFFFAOYSA-N

General description

脱氢乙酸是红葡萄酒中的一种食品添加剂,其可通过超快速液相色谱-串联四极杆质谱(UFLC-MS/MS)进行测定


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

wgk

WGK 1

flash_point_f

314.6 °F

flash_point_c

157 °C

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

存储类别

11 - Combustible Solids



历史批次信息供参考:

分析证书(COA)

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Xiao-Hong Chen et al.
Journal of chromatography. A, 1263, 34-42 (2012-10-10)
A novel and effective dispersive solid-phase extraction (dSPE) procedure with rapid magnetic separation using ethylenediamine-functionalized magnetic polymer as an adsorbent was developed. The new procedure had excellent clean-up ability for the selective removal of the matrix in red wine. An
Ségolène De Vaugelade et al.
Rapid communications in mass spectrometry : RCM, 32(11), 862-870 (2018-03-10)
The present work is devoted to the structural elucidation of by-products issued from the direct ultraviolet-visible (UV-vis) irradiation of dehydroacetic acid (DHA) in solution and in cosmetic emulsion. Analyses were carried out using gas chromatography coupled with ion trap mass
Yansheng Wang et al.
Journal of food science, 75(6), M383-M388 (2010-08-21)
The peptide mixture from housefly pupae has broad spectrum antimicrobial activity but has not previously been reported as a food preservative. In this study, the preservation effects of a housefly pupae peptide mixture, nisin, and sodium dehydroacetate (DHA-S) on the



全球贸易项目编号

货号GTIN
30740-500G04061826673454
30740-100G04061826673447