9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-… 35948-25-5

Name: 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%
Brand: Vaqora Chemicals
SKU: VQ-012397

About 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%

Listed under CAS 35948-25-5, 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide is an oxygen heterocycle available from Vaqora Chemicals at a purity of 97%. With the molecular formula C12H8O2P+, it has a molar mass of 215.16 g/mol. Its systematic (IUPAC) name is benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide. Common synonyms include 3,4:5,6-Dibenzo-1,2-oxaphosphane-2-oxide and DOPO.

The material typically appears as white to almost white powder or crystals. Reported physical data include a melting point of 116-120 °C. Its solubility is described as insoluble (water). Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include polymer and resin production and flame retardants. It is used across pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

Available in 25 g, 100 g, 500 g and 1 kg packs, 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Polymer & resin production
Flame retardants

Industries

Specifications & identifiers

Chemical identifiers
Product name	9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%
Catalogue No.	VQ-012397
CAS Number	35948-25-5
IUPAC name	benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide
Molecular formula	C₁₂H₈O₂P⁺
Molecular weight	215.16 g/mol
Exact mass	215.0262
Purity / assay	97%
HSN code	29420090
InChIKey	DWSWCPPGLRSPIT-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C3=CC=CC=C3[P+](=O)O2
PubChem CID	6328250

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
Melting point	116-120 °C
Solubility	Insoluble (water)
LogP (XLogP3)	2.5
H-bond donors / acceptors	0 / 2
TPSA	30.2 Å²
Synonyms	3,4:5,6-Dibenzo-1,2-oxaphosphane-2-oxide, DOPO, 6H-Dibenzo[c,E][1,2]oxaphosphinine 6-oxide, 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide, 6H-Dibenz[c,e][1,2]oxaphosphorin 6-oxide, 6H-Dibenz(c,e)(1,2)oxaphosphorin, 6-oxide, 6H-Dibenz(c,E)(1,2)oxaphosphorin 6-oxide, 3,4:5,6-Dibenzo-2H-1,2-oxaphosphorin-2-oxide, 6H-Dibenzc,e1,2oxaphosphorin, 6-oxide, C12H9O2P

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements: P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%?

The CAS Registry Number of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% is 35948-25-5. It is also known as 3,4:5,6-Dibenzo-1,2-oxaphosphane-2-oxide, DOPO, 6H-Dibenzo[c,E][1,2]oxaphosphinine 6-oxide.

What is the molecular formula and molecular weight of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%?

9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% has the molecular formula C12H8O2P+ and a molecular weight of 215.16 g/mol. Its IUPAC name is benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide.

Which grade and pack sizes of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% can I order?

We supply 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% in (97%) grade, in 25 g, 100 g, 500 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97%?

Yes. Every lot of 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% 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 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% be shipped internationally?

Yes. 9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide, 97% 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.