99 wt% Trimethyl Phosphate (TMP
5 Inquiries
512-56-1
99%
Shanghai
Believe
25kg
2025-10-22
(R)-3-hydroxypyrrolidine hydrochloride,(R)-Glycidyl butyrate,fine chemicals,2-dibromo-4,5-difluorobenzene,(S)-(+)-Mandelic acid
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Trimethyl phosphate
Other Name:Phosphoric acid,trimethyl ester;Methyl phosphate,(MeO)3PO;Trimethyl phosphate;Trimethoxyphosphine oxide;Trimethyl orthophosphate;TMPA;TMPO;TMP;NSC 58985;91316-44-8
CAS No.:512-56-1
Molecular Formula:C3H9O4P
InChIKeys:InChIKey=WVLBCYQITXONBZ-UHFFFAOYSA-N
Molecular Weight:140.075
Exact Mass:140.07
EC Number:208-144-8
UNII:Z1E45TMW1Z
ICSC Number:0686
NSC Number:58985
DSSTox ID:DTXSID1021403
Color/Form:Liquid|Colorless liquid
HScode:2919900090
Categories:
Characteristics-
PSA:
54.57000
XLogP3:-0.52
Appearance:Trimethyl phosphate appears as a pale straw colored liquid. Inhalation may irritate respiratory tract. Vapor or liquid may irritate skin or eyes. Ingestion may irritate the mucous membranes of the gastrointestinal tract.
Density:1.2144 g/cm3 @ Temp: 20 °C
Melting Point:-46 °C
Boiling Point:85 °C @ Press: 26 Torr
Flash Point:83.7±38.8 °C
Refractive Index:1.379
Water Solubility:500 G/L (25 ºC)
Storage Conditions:Conditions for safe storage, including any incompatibilities: Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully
Vapor Pressure:1.133 hPa (25 °C)
Toxicity:LD50 orally in Rabbit: 840 mg/kg LD50 dermal Rabbit 3388 mg/kg
Explosive limit:The residue from a large scale atmospheric pressure distillation of trimethyl phosphate exploded violently. This was attributed to rapid decomposition of the ester, catalyzed by the acidic degradation products, with evolution of gaseous hydrocarbons. It is recommended that only small batches of alkyl phosphates should be vacuum distilled and in presence of magnesium oxide to neutralize any acid by-products, and to suppress the acid catalyzed reaction.
Odor:Pleasant smelling
OH:7.37e-12 cm3/molecule*sec
Henrys Law Constant:7.20e-09 atm-m3/mole|Henry's Law constant = 7.2X10-9 atm-cu m/mole at 20 °C
Experimental Properties:22.1% phosphorus; pour point: -46 °C|Specific gravity: 1.97 at 19.5 °C/0deg C|Hydroxyl radical reaction rate constant = 7.37X10-12 cu cm/molec-sec at 25 °C|Hydroxyl radical reaction rate constant = <6X10-20 cu cm/molec-sec at 25 °C
Air and Water Reactions:Water soluble.
Reactive Group:Esters, Sulfate Esters, Phosphate Esters, Thiophosphate Esters, and Borate Esters
Reactivity Profile:TRIMETHYL PHOSPHATE may explode when heated. Residue from a large scale atmospheric pressure distillation of this chemical has exploded violently. It is incompatible with nitrates. (NTP, 1992). Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from strong oxidants and strong bases.
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Seller Information
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Business Type:
Distributor
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Main Products:
(R)-3-hydroxypyrrolidine hydrochloride,(R)-Glycidyl butyrate,fine chemicals,2-dibromo-4,5-difluorobenzene,(S)-(+)-Mandelic acid
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Location:
ROOM 574 JIUDINGFENG LARGE BUILDING NO.888 CHANGBAISHAN ROAD QINGDAO AREA CHINA (SHANDONG) PILOT FREE TRADE ZONE
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
7
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
101-200
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Year of Establishment:
2020
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Certifications:
ISO,SGS
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
Pakistan
trimethyl phosphate
20 MT Dec 25, 2023 
Saudi Arabia
99 wt% Trimethyl Phosphate (TMP
10.00 KG Sep 22, 2025 
United States
trimethyl phosphate
40000 KG Mar 11, 2026 
Bahrain
trimethyl phosphate
20000.00 KG Sep 25, 2025
Pakistan
triethyl phosphate
25 MT Dec 25, 2023 Post an enquiry for this product
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