Shanghai Nianxing Industrial Co., Ltd
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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: N-(Benzoyloxy)-N-methyl-4-[(4-methylphenyl)azo]benzenamine
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55398-25-9

55398-25-9 structure

55398-25-9 structure

Name: N-(Benzoyloxy)-N-methyl-4-[(4-methylphenyl)azo]benzenamine
Chemical Name: [N-methyl-4-[(4-methylphenyl)diazenyl]anilino] benzoate
CAS Number: 55398-25-9
Molecular Formula: C₂₁H₁₉N₃O₂
Molecular Weight: 345.39400
Create Date: 2017-10-14 13:38:24
Modify Date: 2025-09-21 09:04:20

Name	[N-methyl-4-[(4-methylphenyl)diazenyl]anilino] benzoate
Synonyms	N-Benzoyloxy-4'-methyl-N-methyl-4-aminoazobenzene

Density	1.12g/cm3
Boiling Point	500.6ºC at 760mmHg
Molecular Formula	C₂₁H₁₉N₃O₂
Molecular Weight	345.39400
Flash Point	256.5ºC
Exact Mass	345.14800
PSA	54.26000
LogP	5.61860
Index of Refraction	1.589

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DH3890000

CHEMICAL NAME :: Benzoic acid, ester with N-methyl-N-(p-(p-methylphenylazo)phenyl)hydroxylamine

CAS REGISTRY NUMBER :: 55398-25-9

LAST UPDATED :: 198910

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C21-H19-N3-O2

MOLECULAR WEIGHT :: 345.43

WISWESSER LINE NOTATION :: 1R DNUNR DN1&OVR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 262 mg/kg/8W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Tumorigenic - tumors at site of application

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 35,880,1975

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