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66-22-8

Name Uracil
CAS 66-22-8
EINECS(EC#) 200-621-9
Molecular Formula C4H4N2O2
MDL Number MFCD00006016
Molecular Weight 112.09
MOL File 66-22-8.mol

Chemical Properties

Appearance white powder
Melting point  >300 °C (lit.)
Boiling point  209.98°C (rough estimate)
density  1.4421 (rough estimate)
refractive index  1.4610 (estimate)
storage temp.  2-8°C
solubility  Aqueous Acid (Slightly), DMSO (Slightly, Heated, Sonicated), Methanol (Slightly,
form  Crystalline Powder
pka 9.45(at 25℃)
color  White to slightly yellow
Stability: Stable. Incompatible with strong oxidizing agents.
Water Solubility  SOLUBLE IN HOT WATER
Detection Methods HPLC,NMR
Merck  14,9850
BRN  606623
InChIKey ISAKRJDGNUQOIC-UHFFFAOYSA-N
CAS DataBase Reference 66-22-8(CAS DataBase Reference)
NIST Chemistry Reference Uracil(66-22-8)
EPA Substance Registry System 66-22-8(EPA Substance)

Safety Data

Hazard Codes  Xi
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  2
RTECS  YQ8650000
TSCA  Yes
HS Code  29335900
Safety Profile
Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

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