CAS No.: 260-94-6 Formula: C13H9N Molecular Weight: 179.21700
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CAS No.: 260-94-6 Formula: C13H9N Molecular Weight: 179.21700
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Acridine is an organic compound and a nitrogen heterocycle with the formula C13H9N. Acridines are substituted derivatives of the parent ring. It is a planar molecule that is structurally related to anthracene with one of the central CH groups replaced by nitrogen. Like the related molecule pyridine and quinoline, acridine is mildly basic. It is an almost colorless solid. There are no commercial applications of acridines but at one time acridine dyes were popular. It crystallizes in needles.

Basic Info

Chemical Name acridine

Acrydine; benzoquinolinylidene; Akridin; 10-Azaanthracene; 2,3-Benzoquinoline; Acridine; 2,3,5,6-Dibenzopyridine; 9-Azaanthracene; Expand

CAS No. 260-94-6
Molecular Formula C13H9N
Molecular Weight 179.21700
PSA 12.89000
LogP 3.38800

Numbering system

PubChem number 24844899
RTECS number AR7175000
MDL number MFCD00005025
EINECS number 205-971-6
BRN number 120200


Appearance & Physical State colourless to light yellow crystals
Density 1.005
Boiling Point 346ºC
Melting Point 105-110ºC
Flash Point 153.8ºC
Refractive Index 1.726
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Storage Condition Refrigerator
Vapor Pressure 0.000113mmHg at 25°C

Safety Info

RTECS AR7175000
Hazard Class 6.1
Safety Statements S26-S36/37/39-S45
HS Code 2933990090
WGK Germany 3
Packing Group III
RIDADR UN 2713 6.1/PG 3
Risk Statements R22; R36/37/38
Hazard Codes Xn
1H NMR : 90 MHz in CDCl3Expand

NMR Spectrum 1H NMR : 90 MHz in CDCl3


C13 H9 N 0.012 g : 0.5 ml CDCl3

Assign. Shift(ppm)
A 8.760
B 8.247
C 7.985
D 7.780
E 7.535

IR : nujol mullExpand
Mass Expand

GC Analysis

Total 16 Documents >>
Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
Packed OV-101 - 1800. temperature ramp
Capillary DB-5 - 1819. temperature ramp
Capillary SE-52 - 1808. temperature ramp
Capillary 5 % Phenyl methyl siloxane - 1784. custom temperature program
Capillary Polydimethyl siloxane, unknown content of Ph-groups - 1806. custom temperature program
Exposure Route Type of Test Species Observed Dose/Duration Toxic Effects
Oral LD50 - Lethal dose, 50 percent kill Rodent - rat 2 gm/kg 1.Behavioral-somnolence (general depressed activity)
2.Gastrointestinal-necrotic changes
3.Blood-changes in erythrocyte (RBC) count
Oral LD50 - Lethal dose, 50 percent kill Rodent - mouse 500 mg/kg 1.Sense Organs and Special Senses (Eye)-lacrimation
2.Behavioral-somnolence (general depressed activity)
Subcutaneous LD50 - Lethal dose, 50 percent kill Rodent - mouse 400 mg/kg 1.Details of toxic effects not reported other than lethal dose value
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