Phenol,4-[2-(4-aminophenyl)diazenyl]-

Modify Date: 2025-08-22 11:00:25

Phenol,4-[2-(4-aminophenyl)diazenyl]- structure	Common Name	Phenol,4-[2-(4-aminophenyl)diazenyl]-
	CAS Number	103-18-4	Molecular Weight	213.23500
	Density	1.23g/cm3	Boiling Point	397.1ºC at 760mmHg
	Molecular Formula	C₁₂H₁₁N₃O	Melting Point	N/A
	MSDS	N/A	Flash Point	193.9ºC

Name	4-[(4-aminophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one
Synonym	More Synonyms

Density	1.23g/cm3
Boiling Point	397.1ºC at 760mmHg
Molecular Formula	C₁₂H₁₁N₃O
Molecular Weight	213.23500
Flash Point	193.9ºC
Exact Mass	213.09000
PSA	70.97000
LogP	3.97100
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.634
InChIKey	NCKPQOUTAMSEAO-UHFFFAOYSA-N
SMILES	Nc1ccc(N=Nc2ccc(O)cc2)cc1

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SJ6350000

CHEMICAL NAME :: Phenol, p-((p-aminophenyl)azo)-

CAS REGISTRY NUMBER :: 103-18-4

LAST UPDATED :: 199709

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C12-H11-N3-O

MOLECULAR WEIGHT :: 213.26

WISWESSER LINE NOTATION :: ZR DNUNR DQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1950 mg/kg

TOXIC EFFECTS :: Behavioral - sleep

REFERENCE :: AABIAV Annals of Applied Biology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1914- Volume(issue)/page/year: 52,33,1963

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Behavioral - sleep

REFERENCE :: AABIAV Annals of Applied Biology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1914- Volume(issue)/page/year: 52,33,1963 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 28 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumor types after systemic administration not seen spontaneously

REFERENCE :: AABIAV Annals of Applied Biology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1914- Volume(issue)/page/year: 52,33,1963

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Precursor 5
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DownStream 1
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EINECS 203-085-4

4'-Amino-4-hydroxy-azobenzol

Azobenzene,4-amino-4'-hydroxy

4-amino-4'-hydroxyazobenzene

4'-HYDROXY-4-AMINOAZOBENZENE

4'-Hydroxy-4-amino-azobenzol

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Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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Precursor & DownStream

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.