132195
Trimethyl phosphate
97%
Synonym(s):
TMP, TMPA, TMPO
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About This Item
Linear Formula:
(CH3O)3PO
CAS Number:
Molecular Weight:
140.07
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-144-8
Beilstein/REAXYS Number:
1071731
MDL number:
Assay:
97%
Form:
liquid
Quality Segment
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
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.
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signalword
Danger
hcodes
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
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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