Trimethyl phosphate(TMP) - ≥98% , CAS No.512-56-1

CAS: 512-56-1 Cat. No.: T104024 Formula: C3H9O4P Molecular Weight: 140.07 Beilstein Registry Number: 1071731 EC Number: 208-144-8 PubChem CID: 10541
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
TMP | NCGC00248617-01 | P(O)(OCH3)3 | CAS-512-56-1 | EINECS 208-144-8 | TRIMETHYL PHOSPHATE [HSDB] | Trimethylfosfat [Czech] | NCGC00248617-02 | CCRIS 610 | Tox21_302740 | AI3-05905 | NSC 58985 | UNII-Z1E45TMW1Z | InChI=1/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H |
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
100g
T104024-100g
2 In stock
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$13.90

$14.90
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250g
T104024-250g
Made to order · 8–12 wks

$15.90

$29.90
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500g
T104024-500g
1 In stock
1 In stock
$48.90
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 50 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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).

Specifications

Synonyms
TMP | NCGC00248617-01 | P(O)(OCH3)3 | CAS-512-56-1 | EINECS 208-144-8 | TRIMETHYL PHOSPHATE [HSDB] | Trimethylfosfat [Czech] | NCGC00248617-02 | CCRIS 610 | Tox21_302740 | AI3-05905 | NSC 58985 | UNII-Z1E45TMW1Z | InChI=1/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H |
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid
Canonical Smiles
COP(=O)(OC)OC
IUPAC Name
trimethyl phosphate
InChIKey
WVLBCYQITXONBZ-UHFFFAOYSA-N
INCHI
1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3
Isomeric SMILES
COP(=O)(OC)OC
WGK Germany
1
RTECS
TC8225000
PubChem CID
10541
Molecular Weight
140.07
Beilstein
1071731
Reaxy-Rn
1071731

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic phosphoric acids and derivatives
SubclassPhosphate esters
Intermediate Tree Nodes Alkyl phosphates
Direct ParentTrialkyl phosphates
Alternative Parents Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkyl phosphate - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkyl phosphates. These are organic compounds containing a phosphate group that is linked to exactly three alkyl chains.
External Descriptors trialkyl phosphate
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

34 results found

Lot NumberCertificate TypeDateItem
J2219256J2219256Certificate of AnalysisJul 08, 2026 T104024
F2625440F2625440Certificate of AnalysisMay 23, 2026 T104024
F2625439F2625439Certificate of AnalysisMay 23, 2026 T104024
F2625438F2625438Certificate of AnalysisMay 23, 2026 T104024
F2625437F2625437Certificate of AnalysisMay 23, 2026 T104024
L2524516L2524516Certificate of AnalysisDec 12, 2025 T104024
L2524513L2524513Certificate of AnalysisDec 12, 2025 T104024
L2524509L2524509Certificate of AnalysisDec 12, 2025 T104024
C2603521C2603521Certificate of AnalysisDec 12, 2025 T104024
C2603518C2603518Certificate of AnalysisDec 12, 2025 T104024
C2603517C2603517Certificate of AnalysisDec 12, 2025 T104024
C2603520C2603520Certificate of AnalysisDec 12, 2025 T104024
K2514048K2514048Certificate of AnalysisNov 26, 2025 T104024
H2514088H2514088Certificate of AnalysisAug 21, 2025 T104024
C2429763C2429763Certificate of AnalysisMar 12, 2024 T104024
I2524027I2524027Certificate of AnalysisOct 10, 2022 T104024
A2424024A2424024Certificate of AnalysisOct 10, 2022 T104024
L2305165L2305165Certificate of AnalysisOct 10, 2022 T104024
J2219267J2219267Certificate of AnalysisOct 10, 2022 T104024
J2219261J2219261Certificate of AnalysisOct 10, 2022 T104024
G2304015G2304015Certificate of AnalysisJun 09, 2022 T104024
C2521228C2521228Certificate of AnalysisJun 09, 2022 T104024
C2412046C2412046Certificate of AnalysisJun 09, 2022 T104024
F2425132F2425132Certificate of AnalysisJun 09, 2022 T104024
F2221008F2221008Certificate of AnalysisJun 09, 2022 T104024
J2423275J2423275Certificate of AnalysisJun 09, 2022 T104024
K2405051K2405051Certificate of AnalysisJun 09, 2022 T104024
F2220478F2220478Certificate of AnalysisJun 09, 2022 T104024
L2304069L2304069Certificate of AnalysisJun 09, 2022 T104024
F2220475F2220475Certificate of AnalysisJun 09, 2022 T104024
L2411310L2411310Certificate of AnalysisJun 09, 2022 T104024
C2406041C2406041Certificate of AnalysisJun 09, 2022 T104024
A2516082A2516082Certificate of AnalysisJun 09, 2022 T104024
D2423039D2423039Certificate of AnalysisJun 09, 2022 T104024
Chemical and Physical Properties
SolubilitySoluble in Water,Ether, Alcohol
SensitivityHygroscopic
Refractive Index1.3967
Flash Point(°F)302 °F
Flash Point(°C)107℃
Boil Point(°C)197.2°C
Melt Point(°C)-46°C
Molecular Weight140.070 g/mol
XLogP3-0.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass140.024 Da
Monoisotopic Mass140.024 Da
Topological Polar Surface Area44.800 Ų
Heavy Atom Count8
Formal Charge0
Complexity82.400
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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