Magneson

Names

[ CAS No. ]:
74-39-5

[ Name ]:
Magneson

[Synonym ]:
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

Chemical & Physical Properties

[ 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.

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: VH2810000

CHEMICAL NAME :: Resorcinol, 4-((p-nitrophenyl)azo)-

CAS REGISTRY NUMBER :: 74-39-5

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C12-H9-N3-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

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

Safety Information

[ 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

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ 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%