8.21184

Trimethyl phosphate

for synthesis

• Synonym(s): Trimethyl phosphate
• Linear Formula: (CH₃)₃PO₄
• CAS Number: 512-56-1
• Molecular Weight: 140.07
• MDL number: MFCD00008348
• UNSPSC Code: 12352108
• EC Index Number: 208-144-8
• NACRES: NA.22

Properties

• vapor pressure: 1.133 hPa ( 25 °C)
• Quality Level: 200
• 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
• InChI: 1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3
• InChI key: WVLBCYQITXONBZ-UHFFFAOYSA-N

Description

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

Safety Information

• pictograms: GHS07,GHS08
• signalword: Danger
• hcodes: H302 - H315 - H319 - H340 - H351
• pcodes: P201 - P202 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 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_germany: WGK 1
• flash_point_f: 302.0 °F - closed cup
• flash_point_c: 150 °C - closed cup