| Identification | More | [Name]
1,8-Diaminonaphthalene | [CAS]
479-27-6 | [Synonyms]
1,8-DIAMINONAPHTHALENE
1,8-NAPHTHALENEDIAMINE
1,8-NAPHTHYLENEDIAMINE
DIAMINONAPHTHALENE-1,8
Naphthalene-1,8-diamine
1,8-DIAMINONAPHTHALENE, FOR FLUORESCENCE
1,8-Diaminonaphthalene,~97%
1,8-Diaminonaphthalene, tech., 90%
1,8-Diaminonaphthalene 96%
1,8-Diaminonaphthalene (1,8-Naphthalene diamine)
1,8-DIAMINONAPHTHALONE
1.8-DIAMINA-NAPTHALENE 99.6+% | [EINECS(EC#)]
207-529-8 | [Molecular Formula]
C10H10N2 | [MDL Number]
MFCD00004033 | [Molecular Weight]
158.2 | [MOL File]
479-27-6.mol |
| Chemical Properties | Back Directory | [Appearance]
Off white powder | [Melting point ]
60-65 °C (lit.) | [Boiling point ]
205 °C/12 mmHg (lit.) | [density ]
1.1265 | [vapor pressure ]
0.011Pa at 25℃ | [refractive index ]
1.6829 | [Fp ]
205°C/12mm | [storage temp. ]
Store below +30°C. | [solubility ]
methanol: soluble | [form ]
Chunks or Crystalline Mass | [pka]
4.46±0.10(Predicted) | [color ]
Grayish-red to gray or dark brown | [Water Solubility ]
slightly soluble | [Merck ]
14,6372 | [BRN ]
742841 | [Stability:]
Air Sensitive | [InChIKey]
YFOOEYJGMMJJLS-UHFFFAOYSA-N | [LogP]
1.335 | [Uses]
Lubricating-oil antioxidant, analytical reagent | [CAS DataBase Reference]
479-27-6(CAS DataBase Reference) | [NIST Chemistry Reference]
1,8-Naphthalenediamine(479-27-6) | [EPA Substance Registry System]
479-27-6(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn,Xi | [Risk Statements ]
R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
R43:May cause sensitization by skin contact.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S36/37:Wear suitable protective clothing and gloves .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24:Avoid contact with skin .
S36:Wear suitable protective clothing . | [RIDADR ]
2811 | [WGK Germany ]
3
| [F ]
8 | [Hazard Note ]
Irritant | [TSCA ]
Yes | [HS Code ]
29215940 | [Toxicity]
LD50 orally in Rabbit: 800 mg/kg |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
1,5-Naphthalenediamine | [Preparation Products]
C.I. 564100-->Solvent Red 135-->Solvent Red 179-->1,8-DICHLORONAPHTHALENE-->1-BROMO-8-METHYLNAPHTHALENE-->1-pinacolato-2-(1,8)diamo-naphthalenylborane-->Solvent Red 179-->Solvent Red 135-->C.I. 564100-->4-(1H-PERIMIDINE-2-YL) BENZOIC ACID-->1-(2,3-dihydro-1H-perimidin-2-yl)-2-naphthol-->2-(3-3,5-DICHLOROPHENYL)-2,3-DIHYDRO-1H-NAPHTHO[1,8-DE][1,3,2]DIAZABORININE-->1H,3H-PERIMIDINE-2-THIONE |
| Hazard Information | Back Directory | [Chemical Properties]
Off white powder | [Production Methods]
Reduction of 1,8-dinitronaphthalene is carried out with iron and acetic acid in xylene or by catalytic hydrogenation. | [Flammability and Explosibility]
Nonflammable | [Purification Methods]
Crystallise 1,8-diaminonaphthalene from water or aqueous EtOH, and sublime it in a vacuum. The N,N'-dimethyl derivative [20734-56-9] has m 103-104o and pK2 5 5.61, the N,N,N'-trimethyl-derivative [20734-57-0] has m 29-30o and pK2 5 6.43. [Hodgson et al. J Chem Soc 202 1945, Beilstein 13 IV 344.] |
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