74-39-5

74-39-5 structure

Name: Magneson
Chemical Name: 4-(4-nitrophenylazo)resorcinol
CAS Number: 74-39-5
Molecular Formula: C₁₂H₉N₃O₄
Molecular Weight: 259.218
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
Create Date: 2018-07-22 18:39:38
Modify Date: 2025-08-25 18:22:04

Name	4-(4-nitrophenylazo)resorcinol
Synonyms	4-[(4-nitrophenyl)diazenyl]benzene-1,3-diol 4-(4-Nitrophenylazo)resorcinol 4-(4-Nitrophenyl)azoresorcinol p-Diazoviolet 1,3-Benzenediol, 4-[2-(4-nitrophenyl)diazenyl]- Magnezon I 4-[(4-Nitrophenyl)diazenyl]-1,3-benzenediol p-Nitrobenzeneazoresorcinol EINECS 200-808-5 p-Diazviolet Magneson I azoviolet MFCD00007310

Density	1.5±0.1 g/cm3
Boiling Point	509.2±33.0 °C at 760 mmHg
Melting Point	195-200 °C (dec.)(lit.)
Molecular Formula	C₁₂H₉N₃O₄
Molecular Weight	259.218
Flash Point	261.7±25.4 °C
Exact Mass	259.059296
PSA	111.00000
LogP	2.82
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.666
Stability	Stable. Incompatible with strong oxidizing agents, strong bases.

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

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,14,1953

Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	VH2810000
HS Code	2927000090

100-01-6

108-46-3

~86%

74-39-5

Literature: Valizadeh; Amiri; Shomali; Hosseinzadeh Journal of the Iranian Chemical Society, 2011 , vol. 8, # 2 p. 495 - 501

100-05-0

108-46-3

~92%

74-39-5

Literature: Valizadeh, Hassan; Amiri, Mohammad; Hosseinzadeh, Fatemeh Dyes and Pigments, 2012 , vol. 92, # 3 p. 1308 - 1313

533-73-3

100-16-3

74-39-5

Literature: Journal of Organic Chemistry, , vol. 59, # 9 p. 2409 - 2417

32352-96-8

108-46-3

74-39-5

Literature: Journal of the Chemical Society, , vol. 93, p. 1020

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%