Trimethyl orthoformate, 98%

Name: Trimethyl orthoformate, 98%
Brand: Vaqora Chemicals
SKU: VQ-001022

About Trimethyl orthoformate, 98%

Trimethyl orthoformate (CAS 149-73-5) is a synthetic reagent offered by Vaqora Chemicals (Synthesis grade) with a typical assay of 98%. The compound has the formula C4H10O3, corresponding to a molecular weight of 106.12 g/mol. The IUPAC name is trimethoxymethane. Common synonyms include TMOF and Methyl orthoformate.

It is supplied as a colourless liquid. Reported physical data include a density of 0.96-0.97. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis, reaction development, medicinal chemistry and nanotechnology research. Buyers come mainly from academic and industrial research.

Vaqora Chemicals supplies Trimethyl orthoformate in 250 mL, 500 mL, 5 L and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Nanotechnology research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Trimethyl orthoformate, 98%
Catalogue No.	VQ-001022
CAS Number	149-73-5
IUPAC name	trimethoxymethane
Molecular formula	C₄H₁₀O₃
Molecular weight	106.12 g/mol
Exact mass	106.063
Grade	Synthesis
Purity / assay	98%
HSN code	29159090
InChIKey	PYOKUURKVVELLB-UHFFFAOYSA-N
SMILES	COC(OC)OC
PubChem CID	9005

Physical properties
Physical form	Liquid
Appearance	Colourless liquid
Density	0.96-0.97
LogP (XLogP3)	0.2
H-bond donors / acceptors	0 / 3
TPSA	27.7 Å²
UN number	UN 3272
Synonyms	TMOF, Methyl orthoformate, Methane, trimethoxy-, Methoxymethylal, Orthoformic acid methyl ester, Orthoformic acid, trimethyl ester, Orthomravencan methylnaty, Orthoformic acid trimethyl ester, Methylester kyseliny orthomravenci, Trimethylester kyseliny orthomravenci, 4-02-00-00022 (Beilstein Handbook Reference), Methane, trimethoxy

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264 + P265, P271, P280, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P337 + P317, P370 + P378, P403 + P233, P403 + P235, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Trimethyl orthoformate, 98%?

The CAS Registry Number of Trimethyl orthoformate, 98% is 149-73-5. It is also known as TMOF, Methyl orthoformate, Methane, trimethoxy-.

What is the molecular formula and molecular weight of Trimethyl orthoformate, 98%?

Trimethyl orthoformate, 98% has the molecular formula C4H10O3 and a molecular weight of 106.12 g/mol. Its IUPAC name is trimethoxymethane.

Which grade and pack sizes of Trimethyl orthoformate, 98% can I order?

We supply Trimethyl orthoformate, 98% in Synthesis (98%) grade, in 250 mL, 500 mL, 5 L, 25 kg, 200 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Trimethyl orthoformate, 98%?

Yes. Every lot of Trimethyl orthoformate, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Trimethyl orthoformate, 98% be shipped internationally?

Yes. Trimethyl orthoformate, 98% is classified as hazardous (UN 3272), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.