Cas no 512-56-1 (Trimethyl phosphate)

Trimethyl phosphate (TMP) is an organophosphorus compound with the formula (CH?O)?PO. It serves as a versatile solvent, flame retardant, and chemical intermediate in organic synthesis. Key advantages include high thermal stability, low viscosity, and compatibility with polar and nonpolar systems. Its applications span pharmaceuticals, agrochemicals, and lithium-ion battery electrolytes.
Trimethyl phosphate structure
Trimethyl phosphate structure
Product Name:Trimethyl phosphate
CAS No:512-56-1
MF:C3H9O4P
MW:140.074922323227
MDL:MFCD00008348
CID:37911
PubChem ID:10541
Update Time:2026-05-22

Trimethyl phosphate Chemical and Physical Properties

Names and Identifiers

    • Trimethyl phosphate
    • METHYL PHOSPHATE
    • PHOSPHORIC ACID TRIMETHYL ESTER
    • (CH3O)3PO
    • Methyl phosphate, (MeO)3PO
    • NCI-C03781
    • O,O,O-Trimethyl phosphate
    • Trimethoxyphosphine oxide
    • Trimethyl orthophosphate
    • Trimethylfosfat
    • Trimethylphosphatemincolorlessliq
    • Trimethyl phsophate
    • Phosphoric acid trimethyl
    • TMP
    • Trimethyl phosphate (TMP)
    • Trimethylphosphate Solution
    • orthophosphoric acid trimethyl ester
    • TMP TMPA TMPO
    • TMPA
    • TMPO
    • trimethyl phosphonate
    • Methylphosphate, (MeO)3PO (6CI)
    • NSC 58985
    • Trimethylphosphoric acid
    • Trimethoxyphosphineoxide
    • Trimethylphosphate
    • AT32972
    • Trimethyl phosphate, SAJ first grade, >=95.0%
    • CCRIS 610
    • NS00003887
    • CAS-512-56-1
    • InChI=1/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H
    • AI3-05905
    • CHEMBL1236486
    • FT-0689821
    • Tox21_201576
    • A804739
    • bmse000774
    • P(O)(OCH3)3
    • SCHEMBL19941
    • TZZ
    • Tox21_302740
    • CHEBI:46324
    • Trimethylfosfat [Czech]
    • NCGC00248617-01
    • DTXCID101403
    • NCGC00256562-01
    • trimethyl phosphoric acid
    • NCGC00259125-01
    • Z1E45TMW1Z
    • EN300-19167
    • P0271
    • trim ethyl phosphate
    • dimethylphosphonomethanol
    • NSC-58985
    • AKOS009029142
    • UNII-Z1E45TMW1Z
    • Azidotriphenylmethane
    • PO(OMe)3
    • Trimethyl phosphate, 97%
    • MFCD00008348
    • EINECS 208-144-8
    • DTXSID1021403
    • Phosphate, trimethyl-
    • TMP (PHOSPHATE)
    • 512-56-1
    • NCGC00248617-02
    • Trimethyl phosphate, >=99%
    • HSDB 5090
    • HY-A0108A
    • WLN: 1OPO&O1&O1
    • TRIMETHYL PHOSPHATE [HSDB]
    • CS-0646319
    • P(O)(OMe)3
    • NSC58985
    • Phosphoric acid, trimethyl ester
    • Q2623529
    • Trimethyl phosphate,98%
    • O,O,OTrimethyl phosphate
    • Trimethylfosfat (Czech)
    • Phosphate, trimethyl
    • 1ST001804
    • O,O,O-Trimethyl phosphoric acid
    • Trimethyl orthophosphoric acid
    • Phosphate, trimethyl ester
    • MDL: MFCD00008348
    • Inchi: 1S/C3H9O4P/c1-5-8(4,6-2)7-3/h1-3H3
    • InChI Key: WVLBCYQITXONBZ-UHFFFAOYSA-N
    • SMILES: P(=O)(OC)(OC)OC

Computed Properties

  • Exact Mass: 140.02400
  • Monoisotopic Mass: 140.023845
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 8
  • Rotatable Bond Count: 3
  • Complexity: 82.4
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: -0.5
  • Topological Polar Surface Area: 44.8

Experimental Properties

  • Color/Form: Colorless Transparent Liquid
  • Density: 1.197?g/mL?at 25?°C(lit.)
  • Melting Point: -46°C(lit.)
  • Boiling Point: 197°C
  • Flash Point: Fahrenheit: 302 ° f
    Celsius: 150 ° c
  • Refractive Index: n20/D 1.395(lit.)
  • Solubility: 1000g/l
  • Water Partition Coefficient: 500 g/L (25 oC)
  • PSA: 54.57000
  • LogP: 1.03370
  • Sensitiveness: Moisture Sensitive
  • Solubility: It can dissolve with various resins, gums and organic solvents, dissolve in water and decompose.

Trimethyl phosphate Security Information

  • Symbol: GHS07 GHS08
  • Prompt:dangerous
  • Signal Word:Warning
  • Hazard Statement: H302,H351
  • Warning Statement: P281
  • Hazardous Material transportation number:2810
  • WGK Germany:1
  • Hazard Category Code: 46-22-36-38-40
  • Safety Instruction: S53-S36/37-S45
  • FLUKA BRAND F CODES:21
  • RTECS:TC8225000
  • Hazardous Material Identification: Xn
  • Risk Phrases:R22; R40; R68
  • Safety Term:S36/37;S45
  • TSCA:Yes
  • Storage Condition:Sealed and stored in a cool place.

Trimethyl phosphate Customs Data

  • HS CODE:2919900090
  • Customs Data:

    China Customs Code:

    2919900090

    Overview:

    HS:2919900090 Other phosphates and their salts(Including milk phosphate)(Including their halogenation,sulfonation,Nitration and nitrosation derivatives) VAT:17.0% Tax refund rate:9.0% Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods) MFN tariff:6.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Regulatory conditions:

    A.Customs clearance form for Inbound Goods
    B.Customs clearance form for outbound goods

    Inspection and quarantine category:

    R.Sanitary supervision and inspection of imported food
    S.Sanitary supervision and inspection of exported food
    M.Import commodity inspection
    N.Export commodity inspection

    Summary:

    2919900090 other phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives.supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward).VAT:17.0%.tax rebate rate:9.0%.MFN tariff:6.5%.general tariff:30.0%

Trimethyl phosphate Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI A LA DING SHENG HUA KE JI GU FEN Co., Ltd.
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Trimethyl phosphate Production Method

Trimethyl phosphate Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:512-56-1)Trimethyl phosphate
Order Number:sfd6338
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:34
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:512-56-1)磷酸三甲酯
Order Number:LE26052783;LE8698;LE4288
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:54
Price ($):discuss personally

Trimethyl phosphate Spectrogram

13C NMR
13C NMR
GC-MS
GC-MS
1H NMR 300 MHz DMSO
1H NMR

Trimethyl phosphate Related Literature

Additional information on Trimethyl phosphate

Professional Introduction to Trimethyl Phosphate (CAS No. 512-56-1)

Trimethyl Phosphate, chemically identified by the CAS number 512-56-1, is a significant compound in the field of chemical and pharmaceutical research. This organophosphorus compound has garnered considerable attention due to its versatile applications and the growing body of research that highlights its potential in various scientific domains.

The molecular structure of Trimethyl Phosphate consists of a central phosphorus atom bonded to three methyl groups and three oxygen atoms, forming a triangular arrangement around the phosphorus. This unique configuration imparts upon it distinct chemical properties that make it valuable in multiple industrial and laboratory settings. The compound is typically encountered as a colorless, transparent liquid with a faint, characteristic odor, which further underscores its utility in both organic synthesis and as an intermediate in the production of more complex molecules.

In recent years, the study of Trimethyl Phosphate has been extended into the realm of pharmaceutical applications, where its role as a chelating agent and a precursor in the synthesis of drug intermediates has been extensively explored. Research indicates that this compound can facilitate the formation of stable complexes with metal ions, a property that is particularly useful in developing treatments for metal poisoning and in enhancing the bioavailability of certain therapeutic agents. The ability of Trimethyl Phosphate to interact with metal ions also makes it a promising candidate for use in catalytic systems designed to improve reaction efficiencies in drug synthesis.

The pharmaceutical industry has been particularly interested in leveraging the chelating capabilities of Trimethyl Phosphate for targeted drug delivery systems. By incorporating this compound into drug formulations, researchers aim to enhance the precision with which therapeutic agents reach their intended targets within the body, thereby reducing side effects and improving overall treatment outcomes. Furthermore, studies have begun to explore its potential role in the development of anti-cancer therapies, where its ability to disrupt metal ion homeostasis in cancer cells could lead to novel therapeutic strategies.

Beyond pharmaceuticals, Trimethyl Phosphate finds applications in agrochemicals, where it is used as an additive to improve the stability and effectiveness of certain pesticides and herbicides. Its chemical properties allow it to act as a synergist, enhancing the activity of active ingredients while minimizing environmental impact. This dual benefit is crucial in modern agriculture, where there is an increasing demand for sustainable practices that protect both crops and ecosystems.

The industrial use of Trimethyl Phosphate extends to the production of specialty chemicals and polymers. As an intermediate, it plays a key role in synthesizing compounds that are essential for manufacturing high-performance plastics, resins, and coatings. These materials are valued for their durability, heat resistance, and chemical stability—properties that are critical in applications ranging from aerospace components to electronic devices.

In academic research circles, Trimethyl Phosphate continues to be a subject of interest due to its reactivity and versatility. Scientists are investigating its potential as a building block for more complex organic molecules, including those with potential pharmaceutical applications. The compound’s ability to participate in various types of chemical reactions—such as esterification, phosphorylation, and condensation reactions—makes it an indispensable tool for synthetic chemists.

The environmental impact of using Trimethyl Phosphate has also been carefully studied. Researchers have assessed its biodegradability and toxicity profiles to ensure that its applications do not pose undue risks to ecosystems. Initial findings suggest that when handled responsibly and disposed of properly, this compound does not exhibit significant environmental hazards. However, ongoing studies aim to further refine its use protocols to minimize any potential ecological footprints.

The future prospects for Trimethyl Phosphate appear promising as advancements continue to be made in synthetic chemistry and material science. Its unique properties make it well-suited for emerging technologies such as nanotechnology and advanced material engineering. As these fields evolve, so too will the applications and importance of compounds like Trimethyl Phosphate.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:512-56-1)Trimethyl phosphate
sfd6338
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:512-56-1)磷酸三甲酯
LE26052783;LE8698;LE4288
Purity:99%/99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry/Inquiry
Email