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2,3-Diaminonaphthalene

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Name

2,3-Diaminonaphthalene

EINECS 212-241-0
CAS No. 771-97-1 Density 1.234 g/cm3
PSA 52.04000 LogP 3.16660
Solubility Soluble in hot Methanol Melting Point 197-203 °C
Formula C10H10N2 Boiling Point 370.6 °C at 760 mmHg
Molecular Weight 158.203 Flash Point 212.3 °C
Transport Information N/A Appearance colourless to white crystalline powder
Safety 26 Risk Codes 22-36/37/38
Molecular Structure Molecular Structure of 771-97-1 (2,3-DIAMINONAPHTHALENE) Hazard Symbols HarmfulXn
Synonyms

2,3-Diaminonaphthalene;NSC 62692;

Article Data 15

2,3-Diaminonaphthalene Specification

The 2,3-Naphthalenediamine is an organic compound with the formula C10H10N2. The IUPAC name of this chemical is naphthalene-2,3-diamine. With the CAS registry number 771-97-1, it is also named as 2,3-Diaminonaphthalene. The product's category is Naphthalene derivatives. Besides, it is a colourless to white crystalline powder, which should be stored in closed cool and dry place. It is used for organic synthesis and the determination of selenium reagents.

Physical properties about 2,3-Naphthalenediamine are: (1)ACD/LogP: 1.42; (2)ACD/LogD (pH 5.5): 1.188; (3)ACD/LogD (pH 7.4): 1.42; (4)ACD/BCF (pH 5.5): 4.132; (5)ACD/BCF (pH 7.4): 7.053; (6)ACD/KOC (pH 5.5): 82.337; (7)ACD/KOC (pH 7.4): 140.525; (8)#H bond acceptors: 2; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 2; (11)Polar Surface Area: 52.04 Å2; (12)Index of Refraction: 1.757; (13)Molar Refractivity: 52.568 cm3; (14)Molar Volume: 128.11 cm3; (15)Polarizability: 20.839×10-24cm3; (16)Surface Tension: 64.301 dyne/cm; (17)Density: 1.235 g/cm3; (18)Flash Point: 212.253 °C; (19)Enthalpy of Vaporization: 61.749 kJ/mol; (20)Boiling Point: 370.577 °C at 760 mmHg.

Preparation: this chemical can be prepared by 2,3-Naphthalene diol and ammonia. The reaction time is 5 - 6 hours with reaction temperature of 250 - 260 °C.

Uses of 2,3-Naphthalenediamine: it can be used to produce benzo[g]quinoxaline. It will need solvent ethanol. The yield is about 77%.

When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed. Besides, this chemical is irritating to eyes, respiratory system and skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: c1ccc2cc(c(cc2c1)N)N
(2)InChI: InChI=1/C10H10N2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6H,11-12H2
(3)InChIKey: XTBLDMQMUSHDEN-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C10H10N2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6H,11-12H2
(5)Std. InChIKey: XTBLDMQMUSHDEN-UHFFFAOYSA-N

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