87851
2,2,6,6-四甲基-3,5-庚二酮
LiChropur™, ≥98.0%
别名:
二叔戊酰甲烷
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关于此项目
线性分子式:
(CH3)3CCOCH2COC(CH3)3
化学文摘社编号:
分子量:
184.28
EC Number:
214-268-3
UNSPSC Code:
12352200
PubChem Substance ID:
Beilstein/REAXYS Number:
1447269
MDL number:
grade
derivatization grade ((GC derivatization))
Quality Segment
assay
≥98.0% (GC), ≥98.0%
form
liquid
quality
LiChropur™
reaction suitability
reagent type: derivatization reagent
reaction type: Acylations
refractive index
n20/D 1.456-1.462, n20/D 1.459 (lit.)
bp
72-73 °C/6 mmHg (lit.)
density
0.883 g/mL at 25 °C (lit.)
SMILES string
CC(C)(C)C(=O)CC(=O)C(C)(C)C
InChI
1S/C11H20O2/c1-10(2,3)8(12)7-9(13)11(4,5)6/h7H2,1-6H3
InChI key
YRAJNWYBUCUFBD-UHFFFAOYSA-N
General description
Acylation, a replacement to silylation, allows the conversion of compounds that consist of active hydrogens (-OH, -SH and -NH) into esters, thioesters, and amides via the action of a carboxylic acid or derivative. The carbonyl group adjacent to the halogenated carbons is known to improve the electron capture detector (ECD) response. Acylation has several advantages:
2,2,6,6-Tetramethyl-3,5-heptanedione is a reagent used to form fragmentation-directing derivatives for GC/MS analysis.
- It enhances the stability of compounds by protecting unstable groups.
- It may confer volatility on substances like carbohydrates or amino acids, that have several polar groups that they are non-volatile and usually decompose on heating.
- It facilitates the separations not possible with underivatized compounds.
- Compounds are detectable at very low levels with an ECD.
2,2,6,6-Tetramethyl-3,5-heptanedione is a reagent used to form fragmentation-directing derivatives for GC/MS analysis.
Legal Information
LiChropur is a trademark of Merck KGaA, Darmstadt, Germany
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
152.6 °F - closed cup
flash_point_c
67 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter