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20734-58-1

Basic Information
CAS No.: 20734-58-1
Name: 1,8-Bis(dimethylamino)naphtalene
Article Data: 14
Cas Database
Molecular Structure:
Molecular Structure of 20734-58-1 (1,8-Bis(dimethylamino)naphtalene)
Formula: C14H18N2
Molecular Weight: 214.31
Synonyms: 1,8-Naphthalenediamine,N,N,N',N'-tetramethyl- (8CI,9CI);1,8-Bis-(Dimethylamino)naphthaline;N,N,N',N'-Tetramethyl-1,8-diaminonaphthalene;N,N,N',N'-Tetramethyl-1,8-naphthalenediamine;Proton sponge;
EINECS: 244-001-6
Density: 1.074 g/cm3
Melting Point: 49-51 °C(lit.)
Boiling Point: 304.4 °C at 760 mmHg
Flash Point: 128.3 °C
Solubility: insoluble in water
Appearance: Pale brownish-pink crystalline powder
Hazard Symbols: HarmfulXn, CorrosiveC
Risk Codes: 22-36/37/38-34
Safety: 26-45-36/37/39
Transport Information: N/A
PSA: 6.48000
LogP: 2.97180
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Chemistry

IUPAC Name: 1-N,1-N,8-N,8-N-tetramethylnaphthalene-1,8-diamine 
Empirical Formula: C14H18N2
Molecular Weight: 214.3061g/mol
EINECS: 244-001-6 
Structure of 1,8-Naphthalenediamine,N1,N1,N8,N8-tetramethyl- (CAS NO.20734-58-1):

Index of Refraction: 1.649
Molar Refractivity: 72.72 cm3
Molar Volume: 199.5 cm3
Polarizability: 28.82×10-24cm3
Surface Tension: 44.4 dyne/cm
Density: 1.074 g/cm3
Flash Point: 128.3 °C
Enthalpy of Vaporization: 54.47 kJ/mol
Boiling Point: 304.4 °C at 760 mmHg
Vapour Pressure: 0.000879 mmHg at 25°C 
Physical Appearance: Pale brownish-pink crystalline powder
Product Categories: Amines and Anilines 
Canonical SMILES: CN(C)C1=CC=CC2=C1C(=CC=C2)N(C)C
InChI: InChI=1S/C14H18N2/c1-15(2)12-9-5-7-11-8-6-10-13(14(11)12)16(3)4/h5-10H,1-4H3
InChIKey: GJFNRSDCSTVPCJ-UHFFFAOYSA-N

Safety Profile

Hazard Codes: HarmfulXn,CorrosiveC
Risk Statements: 22-36/37/38-34
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R34:Causes burns.
Safety Statements: 26-45-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
F: 8-10-23 

Specification

  1,8-Naphthalenediamine,N1,N1,N8,N8-tetramethyl- , its cas register number is 20734-58-1. It also can be called AI3-62472 ; EINECS 244-001-6 ;  N,N,N',N'-Tetramethylnaphthalene-1,8-diamine . 1,8-Naphthalenediamine,N1,N1,N8,N8-tetramethyl- (CAS NO.20734-58-1) is harmful if swallowed. And it's irritating to eyes, respiratory system and skin.