Introduction：Basic information about CAS 74-39-5|Magneson, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Magneson |
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| CAS Number | 74-39-5 | Molecular Weight | 259.218 |
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| Density | 1.5±0.1 g/cm3 | Boiling Point | 509.2±33.0 °C at 760 mmHg |
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| Molecular Formula | C12H9N3O4 | Melting Point | 195-200 °C (dec.)(lit.) |
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| MSDS | ChineseUSA | Flash Point | 261.7±25.4 °C |
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Names
| Name | 4-(4-nitrophenylazo)resorcinol |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.5±0.1 g/cm3 |
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| Boiling Point | 509.2±33.0 °C at 760 mmHg |
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| Melting Point | 195-200 °C (dec.)(lit.) |
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| Molecular Formula | C12H9N3O4 |
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| Molecular Weight | 259.218 |
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| Flash Point | 261.7±25.4 °C |
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| Exact Mass | 259.059296 |
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| PSA | 111.00000 |
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| LogP | 2.82 |
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| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
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| Index of Refraction | 1.666 |
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| InChIKey | NGPGYVQZGRJHFJ-UHFFFAOYSA-N |
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| SMILES | O=[N+]([O-])c1ccc(N=Nc2ccc(O)cc2O)cc1 |
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| Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
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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 DATAACUTE 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
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Safety Information
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi:Irritant; |
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| Risk Phrases | R36/38 |
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| Safety Phrases | S26-S36 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| RTECS | VH2810000 |
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| HS Code | 2927000090 |
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Customs
| HS Code | 2927000090 |
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| 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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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 |
