Trimethyl phosphite - ≥98% , CAS No.121-45-9

CAS: 121-45-9 Cat. No.: T106148 Formule: C3H9O3P Poids moléculaire: 124.08 Beilstein Registry Number: 956570 Numéro CE: 204-471-5 PubChem CID: 8472
DISPONIBLE À COMMANDE
GRADE & PURITY ≥98%
Synonyms
trimethoxyphosphane | TRIMETHYL PHOSPHITE | HSDB 1007 | Methyl phosphite | EC 204-471-5 | Trimethylphosphit | AKOS000121918 | WLN: 1OPO1 & O1 | CHEBI:183313 | Methyl phosphite ((MeO)3P) | Trimethyl ester of phosphorous acid | Fosforyn trojmetylowy [Czech]
Storage
Room temperature
Shipped In
FedEx DG Service
★
Size
USA
Allemagne (EU)*
Price
Qty
100ml
T106148-100ml
En stock ≥10
7 En stock

27,90$US

32,90$US
Enregistrer 5,00 $US (15.20%)
500ml
T106148-500ml
2 En stock
—

80,90$US

94,90$US
Enregistrer 14,00 $US (14.75%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

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

🌡

Storage & shipping

Room temperature Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

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

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonymes
trimethoxyphosphane | TRIMETHYL PHOSPHITE | HSDB 1007 | Methyl phosphite | EC 204-471-5 | Trimethylphosphit | AKOS000121918 | WLN: 1OPO1 & O1 | CHEBI:183313 | Methyl phosphite ((MeO)3P) | Trimethyl ester of phosphorous acid | Fosforyn trojmetylowy [Czech]
Spécifications et pureté
≥98%
Conditions de stockage de stockage
Room temperature
Expédié en
FedEx DG Service
Pureté
≥98%
Noms et identifiants
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504751687
Sourires canoniques
COP(OC)OC
IUPAC Name
trimethyl phosphite
InChIKey
CYTQBVOFDCPGCX-UHFFFAOYSA-N
INCHI
1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3
Isomères SMILES
COP(OC)OC
WGK Allemagne
1
RTECS
TH1400000
PubChem CID
8472
Numéro ONU
2329
Groupe d'emballage
III
Poids moléculaire
124.08
Beilstein
956570

Documentation

📋 Safety Data Sheet (SDS)

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

Download SDS →

✅ 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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganophosphorus compounds
ClasseTrialkylphosphites
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentTrialkylphosphites
Alternative Parents Organic phosphites  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylphosphite - Organic phosphite - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylphosphites. These are organic compounds containing a phosphorous acid, which is tri-esterified with alkyl groups.
External Descriptors Not available
Structure 3D
Modèle de structure chimique interactif





Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
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.

8 results found

Lot NumberCertificate TypeDateArticle
L2203153Certificate of AnalysisSep 08, 2026 T106148
L2203165Certificate of AnalysisSep 08, 2026 T106148
L2203166Certificate of AnalysisSep 08, 2026 T106148
E2507197Certificate of AnalysisApr 25, 2025 T106148
E2507198Certificate of AnalysisApr 25, 2025 T106148
F1910173Certificate of AnalysisMar 08, 2023 T106148
H2204190Certificate of AnalysisAug 09, 2022 T106148
G2211024Certificate of AnalysisJul 13, 2022 T106148
Propriétés chimiques et physiques
Indice de réfraction1.4095
Point d'éclair (°F)82.4 °F
Point d'éclair (°C)28℃
Point d'ébullition (°C)112°C
Point de fusion (°C)-78°C
Poids moléculaire124.080 g/mol
XLogP30.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count3
Exact Mass124.029 Da
Monoisotopic Mass124.029 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count7
Formal Charge0
Complexity31.700
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
FAQ et articles
Citations of This Product
Calculateurs de solution
Avis

Avis des clients

Foire aux questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 121-45-9, the molecular formula is C3H9O3P, and the molecular weight is 124.08 g/mol. InChIKey CYTQBVOFDCPGCX-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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