4,4'-Iminodiphenol

Modify Date: 2026-07-16 18:22:51

4,4'-Iminodiphenol Structure
4,4'-Iminodiphenol structure
Common Name 4,4'-Iminodiphenol
CAS Number 1752-24-5 Molecular Weight 201.22100
Density 1.32g/cm3 Boiling Point 363ºC at 760mmHg
Molecular Formula C12H11NO2 Melting Point N/A
MSDS N/A Flash Point 158.8ºC

 Use of 4,4'-Iminodiphenol


4-Propionamidophenol (compound 4a) is an inactive estrogen receptor ligand based on the diphenylamine skeleton[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-(4-hydroxyanilino)phenol
Synonym More Synonyms

 4,4'-Iminodiphenol Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description 4-Propionamidophenol (compound 4a) is an inactive estrogen receptor ligand based on the diphenylamine skeleton[1].
Related Catalog
References

[1]. Ohta, K., et al. Promising core structure for nuclear receptor ligands: Design and synthesis of novel estrogen receptor ligands based on diphenylamine skeleton. Bioorganic & Medicinal Chemistry Letters.2008;18(18), 5050–5053.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.32g/cm3
Boiling Point 363ºC at 760mmHg
Molecular Formula C12H11NO2
Molecular Weight 201.22100
Flash Point 158.8ºC
Exact Mass 201.07900
PSA 52.49000
LogP 2.91440
Vapour Pressure 8.88E-06mmHg at 25°C
Index of Refraction 1.707
InChIKey YRUPBAWWCPVHFT-UHFFFAOYSA-N
SMILES Oc1ccc(Nc2ccc(O)cc2)cc1

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SL5445000
CHEMICAL NAME :
Phenol, 4,4'-iminodi-
CAS REGISTRY NUMBER :
1752-24-5
BEILSTEIN REFERENCE NO. :
2104633
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C12-H11-N-O2
MOLECULAR WEIGHT :
201.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
380 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 12,1123,1962

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2922299090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2922299090
Summary 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 4,4'-IminodiphenolBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Estrogenic activity in human MCF7 cells assessed as cell proliferation after 6 days b...
Source: ChEMBL
Target: MCF7
External Id: CHEMBL1005366
Name: Antiestrogenic activity in human MCF7 cells
Source: ChEMBL
Target: MCF7
External Id: CHEMBL1005368
Name: Displacement of [2,4,6,7-3H]17beta-estradiol from human recombinant ERbeta receptor b...
Source: ChEMBL
Target: Estrogen receptor beta
External Id: CHEMBL1005365
Name: Displacement of [2,4,6,7-3H]17beta-estradiol from human recombinant ERalpha receptor ...
Source: ChEMBL
Target: Estrogen receptor
External Id: CHEMBL1005364
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Bis(4-hydroxyphenyl)amine
4,4'-dihydroxydiphenylamine
Phenol,4,4'-iminodi
Phenol,4,4'-iminobis
EINECS 217-136-3
Bis-(4-hydroxy-phenyl)-amin
4,4'-Imino-di-phenol
Bis(p-hydroxyphenyl)amine
4,4'-Iminobisphenol
leuco indophenol
4.4'-Dioxy-diphenylamin
4,4'-Azanediyldiphenol

 4,4'-Iminodiphenol | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 4-(4-hydroxyanilino)phenol?
A: Related downstream products(CAS) of 4-(4-hydroxyanilino)phenol: 500-85-6;3568-81-8;27151-57-1;3949-80-2.
Q: What is the LogP of 4-(4-hydroxyanilino)phenol?
A: LogP of 4-(4-hydroxyanilino)phenol is 2.91440.
Q: What is the InChIKey of 4-(4-hydroxyanilino)phenol?
A: InChIKey of 4-(4-hydroxyanilino)phenol is YRUPBAWWCPVHFT-UHFFFAOYSA-N.
Q: What is the CAS number of 4-(4-hydroxyanilino)phenol?
A: CAS number of 4-(4-hydroxyanilino)phenol is 1752-24-5.
Q: What English synonyms does 4-(4-hydroxyanilino)phenol have?
A: English synonyms of 4-(4-hydroxyanilino)phenol: Bis(4-hydroxyphenyl)amine, 4,4'-dihydroxydiphenylamine, Phenol,4,4'-iminodi, Phenol,4,4'-iminobis, EINECS 217-136-3, Bis-(4-hydroxy-phenyl)-amin, 4,4'-Imino-di-phenol, Bis(p-hydroxyphenyl)amine, 4,4'-Iminobisphenol, leuco indophenol, 4.4'-Dioxy-diphenylamin, 4,4'-Azanediyldiphenol.
Q: What is the molecular formula of 4-(4-hydroxyanilino)phenol?
A: Molecular formula of 4-(4-hydroxyanilino)phenol is C12H11NO2.
Q: What is the molecular weight of 4-(4-hydroxyanilino)phenol?
A: Molecular weight of 4-(4-hydroxyanilino)phenol is 201.22100.
Q: What is the boiling point of 4-(4-hydroxyanilino)phenol?
A: Boiling point of 4-(4-hydroxyanilino)phenol is 363ºC at 760mmHg.
Q: What is the polar surface area (PSA) of 4-(4-hydroxyanilino)phenol?
A: Polar surface area (PSA) of 4-(4-hydroxyanilino)phenol is 52.49000.
Q: What are the upstream materials of 4-(4-hydroxyanilino)phenol?
A: Related upstream materials(CAS) of 4-(4-hydroxyanilino)phenol: 123-30-8;123-31-9;101-70-2;51-78-5;500-85-6;108-95-2;7553-56-2;7732-18-5;637-61-6.

 4,4'-Iminodiphenolfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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