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Merck
CN

8.21184

Trimethyl phosphate

for synthesis

Synonym(s):

Trimethyl phosphate

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About This Item

Linear Formula:
(CH3)3PO4
CAS Number:
Molecular Weight:
140.07
UNSPSC Code:
12352108
EC Index Number:
208-144-8
NACRES:
NA.22
MDL number:
Assay:
≥98.0% (GC)
Form:
liquid
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vapor pressure

1.133 hPa ( 25 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

potency

840 mg/kg LD50, oral (Rat), 3388 mg/kg LD50, skin (Rabbit)

bp

197 °C/1013 hPa

mp

-46 °C

transition temp

flash point >150 °C

solubility

1000 g/L

density

1.21 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

[P](=O)(OC)(OC)OC

InChI

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

InChI key

WVLBCYQITXONBZ-UHFFFAOYSA-N

Application


  • Manipulating the ionic conductivity and interfacial compatibility of polymer-in-dual-salt electrolytes: This study explores the role of trimethyl phosphate in enhancing the ionic conductivity and interfacial stability of polymer-in-dual-salt electrolytes, crucial for the development of extended-temperature quasi-solid metal batteries. The research highlights the compound′s effectiveness in improving battery performance across varying temperatures, a key consideration for next-generation energy storage solutions (Lin et al., 2024).

  • Concentration levels and ecological risk assessment of typical organophosphate esters in representative surface waters of a megacity: This paper assesses the environmental impact of organophosphate esters, including trimethyl phosphate, in urban water bodies. It presents data on concentration levels and discusses the ecological risks associated with these compounds, providing essential insights for environmental protection and policy-making (Qiao et al., 2024).

  • [Screening of organophosphorus flame retardant residues in rice]: Utilizing QuEChERS-gas chromatography-quadrupole time-of-flight mass spectrometry, this study identifies the presence of organophosphorus flame retardants, such as trimethyl phosphate, in rice samples. The research underscores the importance of monitoring agricultural products for chemical residues to ensure food safety (Li et al., 2023).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.210 - 1.215
Identity (IR): passes test


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pictograms

Exclamation markHealth hazard

signalword

Danger

Hazard Classifications

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

Storage Class

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



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Global Trade Item Number

SKUGTIN
821184050004022536475578
821184010004022536475561
821184250004022536475585