1,5-Diaminonaphthalene

Description

1,5-Diaminonaphthalene · CAS 2243-62-1 · C10H10N2. UNII 13PD3J52LK. Melting Point: 374 °F (NTP, 1992); Melting Point: 190 °C; Melting Point: 187 °C.

Identification

CAS Registry Number	2243-62-1
PubChem CID	16720
Molecular formula	C10H10N2
IUPAC name	naphthalene-1,5-diamine
UNII (FDA)	13PD3J52LK

Computed Descriptors

Molecular Weight	158.20
XLogP3	2.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	158.084398327
Monoisotopic Mass	158.084398327
Topological Polar Surface Area	52
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Melting Point	374 °F (NTP, 1992)
Melting Point	190 °C
Melting Point	187 °C
Flash Point	226 °C
Solubility	In water, 380 mg/l @ 25 °C
Density	1.4 g/cu cm @ 25 °C
Density	1.4 g/cm³
Vapor Pressure	0.0000293 [mmHg]
LogP	log Kow = 0.89
LogP	1.48

Physical description & handling notes

• 1,5-naphthalenediamine appears as colorless to pale purple crystals or lavender powder. (NTP, 1992)
• Colorless to light purple solid; [ICSC] Sensitive to prolonged exposure to air; [CAMEO] Powder; [MSDSonline]
• COLOURLESS-TO-LIGHT-PURPLE CRYSTALS.
• Colorless prisms
• Sublimes (NTP, 1992)
• Boiling point: sublimes

GHS Hazard Classification

Reported hazard statements	H351, H400, H410, H302 (68.6%), H317 (68.6%), H401, H411, H336

Documented Uses

• Used to make polyurethane elastomers, dyes, and pharmaceuticals; Not commercially produced in the US; [HSDB]
• CHEM INT FOR 1,5-NAPHTHALENE DIISOCYANATE, FOR DYES
• The major use of the compound is for the manufacture of 1,5-naphthalene diisocyanate, in the production of polyurethane elastomers. It is also used in the synthesis of dyes and pharmaceuticals.
• Synthetic Polymer MALDI Matrix Compounds
• REDUCTION OF 1,5-DINITRONAPHTHALENE; AMMONOLYSIS OF 1,5-DIHYDROXYNAPHTHALENE
• ... Amination of 1,5-dihydroxynaphthalene with ammonia and ammonium bisulfite. Although less efficient on a stage basis it offers an economical alternative to nitration and reduction if the 1,8-naphthalenediamine is not also required.

Synonyms

1,5-NAPHTHALENEDIAMINE; 2243-62-1; 1,5-Diaminonaphthalene; 1,5-Naphthylenediamine; NCI-C03021; DTXSID3020916; 13PD3J52LK; NSC-401110; DTXCID90916; 1,5-DAN; RefChem:907019; 218-817-8; naphthalene-1,5-diamine; MFCD00004029; 1,5-diaminonaphtalene; 1,5-diamino naphthalene

Frequently Asked Questions

What are the CAS number and molecular formula of 1,5-Diaminonaphthalene?

CAS 2243-62-1; molecular formula C10H10N2; molecular weight — g/mol.

What other names is 1,5-Diaminonaphthalene known by?

1,5-NAPHTHALENEDIAMINE, 2243-62-1, 1,5-Diaminonaphthalene, 1,5-Naphthylenediamine, NCI-C03021, DTXSID3020916.

Is 1,5-Diaminonaphthalene classified as hazardous?

Hazard statements reported: H351, H400, H410, H302, H317.

What are the key physical properties of 1,5-Diaminonaphthalene?

Melting Point: 374 °F (NTP, 1992); Melting Point: 190 °C; Melting Point: 187 °C; Flash Point: 226 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.