4-Amino-2-phenylphenol

Name: 4-Amino-2-phenylphenol
Brand: Vaqora Chemicals
SKU: VQ-039587

About 4-Amino-2-phenylphenol

4-Amino-2-phenylphenol is an impurity of Phenothiazine carrying the CAS registry number 19434-42-5. Its molecular formula is C12H11NO and its molecular weight is 185.22 g/mol. Common synonyms include 5-Amino-[1,1'-biphenyl]-2-ol and [1,1'-Biphenyl]-2-ol, 5-amino-.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Phenothiazine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4-Amino-2-phenylphenol 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 Phenothiazine

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

Phenothiazine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Amino-2-phenylphenol
Catalogue No.	VQ-039587
CAS Number	19434-42-5
IUPAC name	4-amino-2-phenylphenol
Molecular formula	C₁₂H₁₁NO
Molecular weight	185.22 g/mol
Exact mass	185.0841
Grade	Reference Standard
HSN code	38229090
InChIKey	OUIITAOCYATDMY-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=C(C=CC(=C2)N)O
PubChem CID	29595

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	2 / 2
TPSA	46.3 Å²
Synonyms	5-Amino-[1,1'-biphenyl]-2-ol, [1,1'-Biphenyl]-2-ol, 5-amino-, [1,1'-Biphenyl]-2-ol,5-amino-, 5-Amino-(1,1'-biphenyl)-2-ol, (1,1'-Biphenyl)-2-ol, 5-amino-, 5-amino[1,1'-biphenyl]-2-ol, 2-hydroxy-5-aminobiphenyl

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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 4-Amino-2-phenylphenol?

The CAS Registry Number of 4-Amino-2-phenylphenol is 19434-42-5. It is also known as 5-Amino-[1,1'-biphenyl]-2-ol, [1,1'-Biphenyl]-2-ol, 5-amino-, [1,1'-Biphenyl]-2-ol,5-amino-.

What is the molecular formula and molecular weight of 4-Amino-2-phenylphenol?

4-Amino-2-phenylphenol has the molecular formula C12H11NO and a molecular weight of 185.22 g/mol. Its IUPAC name is 4-amino-2-phenylphenol.

What is 4-Amino-2-phenylphenol used for?

4-Amino-2-phenylphenol is supplied as a characterised reference material related to Phenothiazine. 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 4-Amino-2-phenylphenol can I order?

We supply 4-Amino-2-phenylphenol 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 4-Amino-2-phenylphenol?

Yes. Every lot of 4-Amino-2-phenylphenol 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 4-Amino-2-phenylphenol be shipped internationally?

Yes. 4-Amino-2-phenylphenol 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.