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132195

Sigma-Aldrich

Trimethyl phosphate

97%

Sinónimos:

TMP, TMPA, TMPO

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About This Item

Fórmula lineal:
(CH3O)3PO
Número de CAS:
512-56-1
Peso molecular:
140.07
Beilstein/REAXYS Number:
1071731
EC Number:
208-144-8
MDL number:
MFCD00008348
UNSPSC Code:
12352100
PubChem Substance ID:
24847552
NACRES:
NA.22

Quality Level

200

assay

97%

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.)

functional group

phosphate

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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General description

Trimethyl phosphate is an excellent dipolar aprotic solvent that is used as a methylating agent and acid scavenger in many organic transformations.

Application

Trimethyl phosphate can be used as a methylating agent for the:
  • Solvent-free o-methylation of phenolic compounds to synthesize methyl aryl ethers.
  • S-methylation of aryl/alkyl thiols to synthesize S-methylated product in the presence of Ca(OH)2 as a base.

pictograms

Health hazardExclamation mark
GHS08,GHS07

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_germany

WGK 1

flash_point_f

302.0 °F - closed cup

flash_point_c

150 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
WXBF3947V
WXBF3386V
MKCS5368
MKCS5288
MKCS5206

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Yongqing Ma et al.
Analytica chimica acta, 786, 47-53 (2013-06-26)
An analytical method for the determination of 14 organophosphorus flame retardants (OPFRs), including halogenated OPFRs, non-halogenated OPFRs and triphenyl phosphine oxide (TPPO) in biological samples was developed using gas chromatography-mass spectrometry (GC/MS). Biological samples were extracted using microwave-assisted extraction (MAE)
Hydrolysis of acetyl dimethyl phosphate, a reactive acyl phosphate.
R Kluger et al.
Biochemistry, 11(8), 1544-1546 (1972-04-11)
H Tezuka et al.
Mutation research, 157(2-3), 205-213 (1985-08-01)
Dominant lethal and heritable translocation studies were performed in male mice receiving a single intraperitoneal injection of trimethyl phosphate (TMP). The germ cell stage investigated was the spermatid. Methyl methanesulfonate (MMS) was used as a positive control in the latter
Antifertility activity of trimethylphosphate in male rats.
P J Hanna et al.
Experientia, 37(9), 999-1001 (1981-01-01)
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
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