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: Benzaldehyde,4-methyl-, 2-(5-nitro-2-pyridinyl)hydrazone
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Purity: 98.0%
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28058-20-0

28058-20-0 structure

28058-20-0 structure

Name: Benzaldehyde,4-methyl-, 2-(5-nitro-2-pyridinyl)hydrazone
Chemical Name: N-[(E)-(4-methylphenyl)methylideneamino]-5-nitropyridin-2-amine
CAS Number: 28058-20-0
Molecular Formula: C₁₃H₁₂N₄O₂
Molecular Weight: 256.26000
Create Date: 2017-06-17 02:02:39
Modify Date: 2025-09-30 15:49:51

Name	N-[(E)-(4-methylphenyl)methylideneamino]-5-nitropyridin-2-amine

Density	1.25g/cm3
Boiling Point	433.5ºC at 760mmHg
Molecular Formula	C₁₃H₁₂N₄O₂
Molecular Weight	256.26000
Flash Point	216ºC
Exact Mass	256.09600
PSA	86.33000
LogP	2.68930
Vapour Pressure	0mmHg at 25°C
Index of Refraction	1.625

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XS3450000

CHEMICAL NAME :: p-Tolualdehyde, (5-nitro-2-pyridyl)hydrazone

CAS REGISTRY NUMBER :: 28058-20-0

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C13-H12-N4-O2

MOLECULAR WEIGHT :: 256.29

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 59,101,1970

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