Shanghai Nianxing Industrial Co., Ltd
China
Product Name: fentoxan
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: fentoxan
Price: ￥2768.0/100g ￥958.0/25g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Azoxybenzene
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

495-48-7

495-48-7 structure

495-48-7 structure

Name: fentoxan
Chemical Name: azoxybenzene
CAS Number: 495-48-7
Molecular Formula: C₁₂H₁₀N₂O
Molecular Weight: 198.221
Catalog: analytical chemistry Standard Pesticides, veterinary drugs and fertilizers
Create Date: 2018-07-21 17:29:13
Modify Date: 2025-08-21 15:44:12

Name	azoxybenzene
Synonyms	fentoxan Azoxybenzene,Fenazox 1,2-diphenyldiazene oxide Diazene,diphenyl-,1-oxide Diphenyldiazene oxide MFCD00019925 Azobenzene,oxide 2-oxo-1,2-diphenylhydrazin-2-ium-1-ide Azane, oxidophenyl(phenylazanylidene)-, (Z)- azoxybenzide EINECS 207-802-1 Diphenyldiazene 1-oxide [(Z)-Phenyl-NNO-azoxy]benzene oxido-phenyl-phenyliminoazanium Fenazox Azoxybenzol Benzene,azoxydi azoxybenzene Diazene, diphenyl-, 1-oxide

Density	1.1±0.1 g/cm3
Boiling Point	336.0±25.0 °C at 760 mmHg
Melting Point	32-36 °C
Molecular Formula	C₁₂H₁₀N₂O
Molecular Weight	198.221
Flash Point	157.0±23.2 °C
Exact Mass	198.079315
PSA	41.11000
LogP	4.09
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.582

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CO4025000

CHEMICAL NAME :: Azoxybenzene

CAS REGISTRY NUMBER :: 495-48-7

LAST UPDATED :: 199806

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C12-H10-N2-O

MOLECULAR WEIGHT :: 198.24

WISWESSER LINE NOTATION :: ONR&UNR

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 :: 620 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 940 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 515 mg/kg

TOXIC EFFECTS :: Gastrointestinal - other changes Liver - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1350 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 275 mg/kg

TOXIC EFFECTS :: Gastrointestinal - other changes Kidney, Ureter, Bladder - other changes

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: Cytogenetic analysis

TYPE OF TEST :: Sperm Morphology

MUTATION DATA

TYPE OF TEST :: Morphological transformation

TEST SYSTEM :: Rodent - hamster Kidney

DOSE/DURATION :: 33400 ug/L

REFERENCE :: PMRSDJ Progress in Mutation Research. (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.1- 1981- Volume(issue)/page/year: 1,626,1981

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H332
Hazard Codes	Xn:Harmful;
Risk Phrases	R20/22
Safety Phrases	S28A-S28
RIDADR	NONH for all modes of transport
RTECS	CO4025000
HS Code	2927000090

HS Code	2927000090
Summary	2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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