3-Methyl-4-nitropyridine CAS:1678-53-1 C6H6N2O2
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4-Methylpyridin-2-amine CAS:695-34-1 C6H8N2
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4-Aminopyridine CAS:504-24-5 C5H6N2

Product Name: 4-Aminopyridine
Synonyms: 4-Aminopyridine,98%;4-AMINOPYRIDINE,REAGENT;AMINOPYRIDINE, 4-(P);PARA-AMINOPYRIDINE;4-AMINO PYRIDINE PYRIDIN-4-YLAMINE;Phillips 1861;phillips1861;Pimadin (free base)
CAS: 504-24-5
MF: C5H6N2
MW: 94.11
EINECS: 207-987-9

Category:
Description

4-Aminopyridine Chemical Properties
Melting point 155-158 ??C (lit.)
Boiling point 273 ??C (lit.)
density 1.26
vapor pressure 0.046Pa at 25??
refractive index 1.5560 (estimate)
Fp 156??C
storage temp. 2-8??C
solubility H2O: soluble50mg/mL, clear, colorless
pka 9.114(at 25??)
form Crystalline Powder, Solid or Crystals
color White to faint grey to light yellow
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.
Merck 14,3933
BRN 105782
Stability: Hygroscopic
InChIKey NUKYPUAOHBNCPY-UHFFFAOYSA-N
LogP -0.76 at pH7.4
CAS DataBase Reference 504-24-5(CAS DataBase Reference)
NIST Chemistry Reference 4-Pyridinamine(504-24-5)
EPA Substance Registry System 4-Aminopyridine (504-24-5)
Safety Information
Hazard Codes T+,N,T,Xi
Risk Statements 28-36/37/38-51/53-23/24/25
Safety Statements 26-36/37/39-45-60-61-37/39-28A-1
RIDADR UN 2671 6.1/PG 2
WGK Germany 3
RTECS US1750000
F 8-21
Autoignition Temperature 640 ??C
Hazard Note Toxic/Irritant
TSCA Yes
HazardClass 6.1
PackingGroup II
HS Code 29333999
Hazardous Substances Data 504-24-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 21 mg/kg

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