CAS 134-32-7 1-Naphthylamine - Materials / Alfa Chemistry

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1-Naphthylamine

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Catalog Number

ACM134327

CAS Number

134-32-7

Product Name

1-Naphthylamine

Structure

Category

Small Molecule Semiconductor Building Blocks; Electroluminescence Materials

Description

Alpha-naphthylamine appears as a crystalline solid or a solid dissolved in a liquid. Insoluble in water and denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.;WHITE CRYSTALS WITH CHARACTERISTIC ODOUR. TURNS RED ON EXPOSURE TO AIR, LIGHT AND MOISTURE.;Colorless crystals with an ammonia-like odor.;Colorless crystals with an ammonia-like odor. [Note: Darkens in air to a reddish-purple color.]

IUPAC Name

naphthalen-1-amine

Molecular Weight

143.18g/mol

Molecular Formula

C10H9N;C10H9N

Canonical SMILES

C1=CC=C2C(=C1)C=CC=C2N

InChI

InChI=1S/C10H9N/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-7H,11H2

InChI Key

RUFPHBVGCFYCNW-UHFFFAOYSA-N

Boiling Point

574 °F at 760 mm Hg (NTP, 1992);300.8 °C;300.7 °C;300.8 °C;573°F;573°F

Melting Point

122 °F (NTP, 1992);49.2 °C;49.2 °C;50.0 °C;122°F;122°F

Flash Point

315 °F (NTP, 1992);157 °C, 315 °F, (closed cup);157 °C c.c.;315°F;315°F

Density

1.12 at 77 °F (USCG, 1999);1.114 g/cu cm;1.12 g/cm³;1.12;1.12

Solubility

less than 1 mg/mL at 66° F (NTP, 1992);0.01 M;Sol in chloroform;Freely sol in alcohol and ether;In water, 1.7X10+3 mg/L @ 20 °C;Solubility in water: none;0.002%

Color/Form

Needles from ethanol (aq) or ether;YELLOW RHOMBIC NEEDLES;White crystals becoming red on exposure to air;Needles, becoming red on exposure to air, or a reddish, crystal mass;Colorless crystals; darkens in air to a reddish-purple color

Complexity

133

Covalently-Bonded Unit Count

EC Number

205-138-7

Exact Mass

143.073499g/mol

Formal Charge

Heavy Atom Count

ICSC Number

0518

Log P

2.25 (LogP);log Kow = 2.25;2.25

MeSH Entry Terms

1 Aminonaphthalene;1 Naphthylamine;1-Aminonaphthalene;1-Naphthylamine;8 Aminonaphthalene;8-Aminonaphthalene;alpha Naphthylamine;alpha-Naphthylamine;Naphthalidine

Monoisotopic Mass

143.073499g/mol

Odor

Ammonia-like odor.

Other Experimental

Sublimes; volatile with steam; reduces warm ammoniacal silver nitrate;Crystal powder; becomes bluish on exposure to air and light. Sol in about 27 parts water; sol in alcohol and ether /Hydrochloride/;Behaves as a typical aromatic amine;Henry's Law constant = 4.63X10-7 atm-cu m/mol @ 25 °C;Hydroxyl radical reaction rate constant = 2.00X10-10 cu cm/molec-sec @ 25 °C /Estimated/

Refractive Index

INDEX OF REFRACTION: 1.67034 @ 51 °C/D; MAX ABSORPTION (DIL ALCOHOL): 242 NM (LOG E= 4.27); 320 NM (LOG E= 3.71)

Rotatable Bond Count

RTECS Number

QM1400000

Stability

Oxidizes in air

UNII

9753I242R5

UN Number

2077;2077;2077;2077;2077

Vapor Density

4.93 (NTP, 1992) (Relative to Air);4.93 (Air= 1);Relative vapor density (air = 1): 4.93;4.93

Vapor Pressure

1 mm Hg at 219.7 °F ; 5 mm Hg at 279.9° F (NTP, 1992);0.00 mmHg;4.18X10-3 mm Hg @ 25 °C /Extrapolated/;Vapor pressure, Pa at 20 °C: 0.53;1 mmHg at 220°F;(220°F): 1 mmHg

XLogP3

2.2

MSDS

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COA

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Spec Sheet

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