4(1H)-Pyridinimine | CAS No. 504-24-5

4(1H)-Pyridinimine

Basic Information

CAS Number

504-24-5

Molecular Formula

C5H6N2

Molecular Weight

94.12 g/mol

EINECS

207-987-9

AD

Basic Physical Properties

Physical State

White to faint grey to light yellow

Melting Point

155-158 °C

Boiling Point

273 °C

Density

1.26

Water Solubility

Soluble in water(112 g/L at 20 deg C). Soluble in ethyl ether, benzene. Slightly soluble in ligroin. Very soluble in ethanol. Soluble in methanol, acetone, tetrahydrofuran, isopropanol, acetonitrile, N,N-dimethylformamide, dimethylsulfoxide, and ethanol.

Flash Point

156°C

Solubility

H2O: soluble50mg/mL, clear, colorless

Refractive Index

1.5560 (estimate)

Vapor Pressure

0.046Pa at 25℃

Odor

Odorless

C1=CN=CC=C1N

InChI

InChI=1S/C5H6N2/c6-5-1-3-7-4-2-5/h1-4H,(H2,6,7)

InChIKey

NUKYPUAOHBNCPY-UHFFFAOYSA-N

LogP

0.6638000000000001

pKa

9.114(at 25℃)

Topological Polar Surface Area

38.91 Ų

Hydrogen Bond Donor/Acceptor

2 / 2

Complexity

48

Safety Information

View Safety Information

GHS Hazard Pictograms

H300H300
H315H315
H319H319
H335H335

Hazard Statement

H300 Fatal if swallowed
Acute toxicity, oral
H315 Causes skin irritation
Skin corrosion/irritation
H319 Causes serious eye irritation
Serious eye damage/eye irritation
H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1 Class 6.1

Auto-ignition Temperature

640 °C

Toxicity

LD50 orally in Rabbit: 21 mg/kg

Synonyms & References

English

  • 4 Aminopyridine
  • Opera_ID_1768
  • HMS501M14
  • Dalfampridine-ER
  • 4-Pyridylamine
  • SR-01000075299-3
  • KBio2_000282
  • 4-Aminopyridine 10
  • NSC 15041
  • KBioGR_001505
  • GTPL2416
  • Amaya
  • p-Aminopyridine [UN2671] [Poison]
  • NCGC00015009-09
  • WLN: T6NJ DZ
  • 4-aminopyridine
  • Dalfampridine
  • UNII-BH3B64OKL9
  • KBio3_000563
  • NCGC00015009-03
  • FAMPRIDINE (MART.)
  • FAMPRIDINE [MART.]
  • Q372539
  • Avitrol 200
  • KUC111877N
  • BIIB 041
  • BH3B64OKL9
  • Frampridine
  • para-aminopyridine
  • Mi-W-3
  • D04127

MDL Number

MFCD00006439

EC Number

207-987-9

Customs Code

29333999

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