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241024

Sigma-Aldrich

Trimethyl phosphate

≥99%

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Synonym(s):
TMP, TMPA, TMPO
Linear Formula:
(CH3O)3PO
CAS Number:
Molecular Weight:
140.07
Beilstein:
1071731
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99%

form

liquid

refractive index

n20/D 1.395 (lit.)

bp

197 °C (lit.)

mp

−46 °C (lit.)

density

1.197 g/mL at 25 °C (lit.)

SMILES string

COP(=O)(OC)OC

InChI

1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3

InChI key

WVLBCYQITXONBZ-UHFFFAOYSA-N

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1 of 4

This Item
1321958.2118492730
Trimethyl phosphate ≥99%

Sigma-Aldrich

241024

Trimethyl phosphate

Trimethyl phosphate 97%

Sigma-Aldrich

132195

Trimethyl phosphate

Trimethyl phosphate for synthesis

Sigma-Aldrich

8.21184

Trimethyl phosphate

Trimethyl phosphite ≥97%

Sigma-Aldrich

92730

Trimethyl phosphite

form

liquid

form

liquid

form

liquid

form

liquid

refractive index

n20/D 1.395 (lit.)

refractive index

n20/D 1.395 (lit.)

refractive index

-

refractive index

n20/D 1.408 (lit.)

bp

197 °C (lit.)

bp

197 °C (lit.)

bp

197 °C/1013 hPa

bp

111-112 °C (lit.)

mp

−46 °C (lit.)

mp

−46 °C (lit.)

mp

-46 °C

mp

−78 °C (lit.)

density

1.197 g/mL at 25 °C (lit.)

density

1.197 g/mL at 25 °C (lit.)

density

1.21 g/cm3 at 20 °C

density

1.052 g/mL at 25 °C (lit.)

General description

The trimethyl phosphate levels in environmental water was determined by direct analysis real-time ionization source interfaced with a triple quadrupole mass spectrometer (DART-MS/MS) with multiple reaction monitoring (MRM).

Pictograms

Exclamation markHealth hazard

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

302.0 °F - closed cup

Flash Point(C)

150 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Xiaowei Wang et al.
Journal of chromatography. A, 1333, 134-137 (2014-02-20)
Trimethyl phosphate (TMP) is used extensively in industrial chemical processes. Due to the high polarity and volatility, methods for its quantification in environmental samples have not been well developed. Currently, the pollution status of TMP in the environment still has
Marianna Ambrico et al.
Physical chemistry chemical physics : PCCP, 21(23), 12380-12388 (2019-05-30)
Nanoscale disassembly of mussel-inspired polydopamine (PDA) in ionic liquids (ILs) was recently shown to induce an electron paramagnetic resonance (EPR)-detectable reorganization of free radical centers in the resulting nanoparticles (NPs) in an IL-controlled manner. Herein, we report electrical impedance spectroscopy
K Aflatooni et al.
The Journal of chemical physics, 125(5), 054301-054301 (2006-09-01)
Total cross sections for the dissociative electron attachment process are presented for the DNA bases thymine, cytosine, and adenine and for three compounds used as surrogates for the ribose and phosphate groups, tetrahydrofuran, 3-hydroxytetrahydrofuran, and trimethylphosphate, respectively. Cross section magnitudes
E M Bomhard et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 40(1), 75-89 (1997-12-17)
Trimethylphosphate (TMPO) was administered to 50 male and 50 female Wistar rats through their drinking water at doses of 0, 1, 10, or 100 mg/kg body weight up to 30 months. The dosage of 100 mg/kg was reduced to 50
J Pfeuffer et al.
Magma (New York, N.Y.), 8(2), 98-108 (1999-08-24)
The diffusion-weighted signal attenuation of water in rat brain was measured with pulsed-field gradient nuclear magnetic resonance methods in a single voxel under in vivo and global ischemic conditions. The diffusion-attenuated water signal was observed in vivo at b values

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