Product Name

  • Name

    1,2-DIAMINONAPHTHALENE

  • EINECS
  • CAS No. 938-25-0
  • Article Data10
  • CAS DataBase
  • Density 1.234 g/cm3
  • Solubility
  • Melting Point 92-94°C
  • Formula C10H10N2
  • Boiling Point 363.7 °C at 760 mmHg
  • Molecular Weight 158.203
  • Flash Point 207.2 °C
  • Transport Information
  • Appearance brown solid
  • Safety 36/37
  • Risk Codes 22-40
  • Molecular Structure Molecular Structure of 938-25-0 (1,2-DIAMINONAPHTHALENE)
  • Hazard Symbols Xn
  • Synonyms 1,2-Diaminonaphthalene;NSC 62691;
  • PSA 52.04000
  • LogP 3.16660

1,2-Naphthalenediamine Specification

This chemical is called 1,2-Naphthalenediamine, and its systematic name is naphthalene-1,2-diamine. With the molecular formula of C10H10N2, its molecular weight is 158.20. The CAS registry number of this chemical is 938-25-0. Additionally, its product categories are Aldehyde Labeling Reagents; Aromatics.

Other characteristics of the 1,2-Naphthalenediamine can be summarised as followings: (1)ACD/LogP: 1.28; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.23; (4)ACD/LogD (pH 7.4): 1.28; (5)ACD/BCF (pH 5.5): 4.94; (6)ACD/BCF (pH 7.4): 5.55; (7)ACD/KOC (pH 5.5): 105.65; (8)ACD/KOC (pH 7.4): 118.68; (9)#H bond acceptors: 2; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 6.48 Å2; (13)Index of Refraction: 1.757; (14)Molar Refractivity: 52.56 cm3; (15)Molar Volume: 128.1 cm3; (16)Polarizability: 20.83×10-24cm3; (17)Surface Tension: 64.3 dyne/cm; (18)Density: 1.234 g/cm3; (19)Flash Point: 207.2 °C; (20)Enthalpy of Vaporization: 60.98 kJ/mol; (21)Boiling Point: 363.7 °C at 760 mmHg; (22)Vapour Pressure: 1.77E-05 mmHg at 25°C.

Production method of this chemical: The 1,2-Naphthalenediamine could be obtained by the reactant of 2-nitro-[1]naphthylamine. This reaction needs the reagent of hydrochloride of tin dichloride.

Uses of this chemical: The 1,2-Naphthalenediamine could react with 1H,1'H-1,1'-carbonyl-bis-imidazole, and obtain the 1,3-dihydro-naphtho[1,2-d]imidazol-2-one. This reaction needs the solvent of tetrahydrofuran. The yield is 80 %. In addition, this reaction should be taken for 3 days.

You can still convert the following datas into molecular structure: 
1.SMILES: c2c1ccccc1c(N)c(N)c2
2.InChI: InChI=1/C10H10N2/c11-9-6-5-7-3-1-2-4-8(7)10(9)12/h1-6H,11-12H2
3.InChIKey:NTNWKDHZTDQSST-UHFFFAOYAM

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LDLo subcutaneous 167mg/kg (167mg/kg)   Zeitschrift fuer Experimentelle Pathologie und Therapie. Vol. 17, Pg. 59, 1915.

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