Phloroglucinol - Impurity O | CAS 137-19-9

About Phloroglucinol - Impurity O

Phloroglucinol - Impurity O is an impurity of Phloroglucinol carrying the CAS registry number 137-19-9. Formula C6H4Cl2O2, molecular weight 179.0 g/mol. The IUPAC name is 4,6-dichlorobenzene-1,3-diol. Common synonyms include 4,6-Dichlororesorcinol and Phloroglucinol EP Impurity O.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Phloroglucinol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Phloroglucinol - Impurity O is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Phloroglucinol

View every impurity, metabolite and intermediate we list for Phloroglucinol.

Phloroglucinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Phloroglucinol - Impurity O
Catalogue No.	VQ-032593
CAS Number	137-19-9
IUPAC name	4,6-dichlorobenzene-1,3-diol
Molecular formula	C₆H₄Cl₂O₂
Molecular weight	179 g/mol
Exact mass	177.9588
Grade	Reference Standard
HSN code	38229090
InChIKey	GRLQBYQELUWBIO-UHFFFAOYSA-N
SMILES	C1=C(C(=CC(=C1O)Cl)Cl)O
PubChem CID	67299

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	4,6-Dichlororesorcinol, Phloroglucinol EP Impurity O, 1,3-Benzenediol, 4,6-dichloro-, Resorcinol, 4,6-dichloro-, 4,6-Dichloro-1,3-dihydroxybenzene, Resorcinol, 4,6-dichloro-(8CI), 4,6-Dichloro-1,3-benzenediol, dichlororesorcinol, 4,3-dihydroxybenzene, 3,4-Dichlororesorcinol, Resorcinol,6-dichloro-, 1, 4,6-dichloro-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Phloroglucinol - Impurity O?

The CAS Registry Number of Phloroglucinol - Impurity O is 137-19-9. It is also known as 4,6-Dichlororesorcinol, Phloroglucinol EP Impurity O, 1,3-Benzenediol, 4,6-dichloro-.

What is the molecular formula and molecular weight of Phloroglucinol - Impurity O?

Phloroglucinol - Impurity O has the molecular formula C6H4Cl2O2 and a molecular weight of 179 g/mol. Its IUPAC name is 4,6-dichlorobenzene-1,3-diol.

What is Phloroglucinol - Impurity O used for?

Phloroglucinol - Impurity O is supplied as a characterised reference material related to Phloroglucinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Phloroglucinol - Impurity O can I order?

We supply Phloroglucinol - Impurity O in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phloroglucinol - Impurity O?

Yes. Every lot of Phloroglucinol - Impurity O 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 Phloroglucinol - Impurity O be shipped internationally?

Yes. Phloroglucinol - Impurity O 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.