Trimethyl citrate

CAS No. 1587-20-8

Formula: C9H14O7
Basic Info

Trimethyl Citrate is a reagent used in the preparation of citrate-ciprofloxacin conjugates which has antibacterial activity.

Formula
C9H14O7
Molecular Weight
234.203
Exact Mass
234.074
LogP
-0.9833
PSA
99.13
Synonyms

trimethyl 2-hydroxypropane-1,2,3-tricarboxylate

Trimethyl Citrate

1,2,3-Propanetricarboxylic acid, 2-hydroxy-, trimethyl ester

Citric Acid Trimethyl Ester

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Properties
Density
1.265g/cm3
Boiling Point
176 16mm
Melting Point
75-78ºC
Flash Point
79.2ºC
Refractive Index
1.458
Vapor Pressure
0.00732mmHg at 25°C
Safety Info
Safety Statements
S22
WGK Germany
3
HS Code
2918150000
Spectrum
NMR Spectrum 1H NMR : 90 MHz in CDCl3
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IR Spectrum IR : KBr disc
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Mass Spectrum Mass
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Raman Spectrum Raman : 4880 A,200 M,powder
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Analysis Methods
Kovats' RI, non-polar column, custom temperature program
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Column Shape
Packed
Active Phase(℃)
SE-30
Retention index
1442.
Temperature Control
Method
custom temperature program
Comments
He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified
Reference
Ramsey, J.D.Lee, T.D.Osselton, M.D.Moffat, A.C.Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analysesJ. Chromatogr.1980, 184, 2, 185-206.
Normal alkane RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
DB-5
Retention index
1461.
Temperature Control
Method
temperature ramp
Comments
30. m/0.25 mm/0.25 μm, He, 4. K/min; T<sub>start</sub>: 40. C; T<sub>end</sub>: 290. C
Reference
da Camara, C.A.G.Shepherd, S.L.K.Joaquim, D.R.G.Análise químnica da cultura de tecidos do híbrido Clusia paralicola X Clusia weddellianaRevista Brasileira de Farmacognosia2002, 12, 26-28.
Normal alkane RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
OV-101
Retention index
1424.
Temperature Control
Method
temperature ramp
Comments
H2, 80. C @ 7. min, 2. K/min; Column length: 30. m; Column diameter: 0.3 mm; T<sub>end</sub>: 275. C
Reference
Pinkston, D.Spiteller, G.von Henning, H.Matthaei, D.High-resolution gas chromatography-mass spectrometry of the methyl esters of organic acids from uremic hemofiltratesJ. Chromatogr.1981, 223, 1, 1-19.
Normal alkane RI, non-polar column, temperature ramp
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Column Shape
Capillary
Active Phase(℃)
OV-101
Retention index
1424.
Temperature Control
Method
temperature ramp
Comments
He, 75. C @ 7. min, 2. K/min; Column length: 25. m; T<sub>end</sub>: 280. C
Reference
Spiteller, M.Spiteller, G.Trennung und charakterisierung saurer harnbest and- teileJ. Chromatogr.1979, 164, 3, 253-317.
Normal alkane RI, non-polar column, custom temperature program
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Column Shape
Capillary
Active Phase(℃)
OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.
Retention index
1442.
Temperature Control
Method
custom temperature program
Comments
Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified
Reference
Waggott, A.Davies, I.W.Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf.

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