Dimethyl phosphate, 98%

About Dimethyl phosphate, 98%

Dimethyl phosphate is an organic building block in Puriss grade carrying the CAS registry number 813-78-5 with a typical assay of 98%. The compound has the formula C2H7O4P, corresponding to a molecular weight of 126.05 g/mol. Systematically, it is named dimethyl hydrogen phosphate. It is also known as Phosphoric Acid Dimethyl Ester or Methyl Phosphate.

It is supplied as a yellow liquid. Keep the material frozen at −20 °C and protect it from moisture. It carries the GHS signal word “Danger” with 6 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Dimethyl phosphate in 100 mg and 1 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Dimethyl phosphate, 98%
Catalogue No.	VQ-011427
CAS Number	813-78-5
IUPAC name	dimethyl hydrogen phosphate
Molecular formula	C₂H₇O₄P
Molecular weight	126.05 g/mol
Exact mass	126.0082
Grade	Puriss
Purity / assay	98%
HSN code	29420090
InChIKey	KKUKTXOBAWVSHC-UHFFFAOYSA-N
SMILES	COP(=O)(O)OC
PubChem CID	13134

Physical properties
Physical form	Liquid
Appearance	Yellow liquid
LogP (XLogP3)	-1.2
H-bond donors / acceptors	1 / 4
TPSA	55.8 Å²
Storage	−20 °C
Synonyms	Phosphoric Acid Dimethyl Ester, Methyl Phosphate, DMP, O,O-Dimethyl Hydrogen Phosphate, O,O-Dimethyl Phosphate, Dimethylphosphate, Phosphoric acid, dimethyl ester, dimethoxyphosphinic acid, Methyl phosphate ((MeO)2(HO)PO), Dimethylhydrogenphosphate, dimethyl phosphate, AldrichCPR

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302+H312Harmful if swallowed or in contact with skin
H302Harmful if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage

Precautionary statements: P260, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P333 + P317, P362 + P364, P363, 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 Dimethyl phosphate, 98%?

The CAS Registry Number of Dimethyl phosphate, 98% is 813-78-5. It is also known as Phosphoric Acid Dimethyl Ester, Methyl Phosphate, DMP.

What is the molecular formula and molecular weight of Dimethyl phosphate, 98%?

Dimethyl phosphate, 98% has the molecular formula C2H7O4P and a molecular weight of 126.05 g/mol. Its IUPAC name is dimethyl hydrogen phosphate.

Which grade and pack sizes of Dimethyl phosphate, 98% can I order?

We supply Dimethyl phosphate, 98% in Puriss (98%) grade, in 100 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dimethyl phosphate, 98%?

Yes. Every lot of Dimethyl phosphate, 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 Dimethyl phosphate, 98% be shipped internationally?

Yes. Dimethyl phosphate, 98% is classified as hazardous, 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.

How should Dimethyl phosphate, 98% be stored?

−20 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.