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118-48-9

Name 4H-3,1-Benzoxazine-2,4(1H)-dione
CAS 118-48-9
EINECS(EC#) 204-255-0
Molecular Formula C8H5NO3
MDL Number MFCD00006700
Molecular Weight 163.13
MOL File 118-48-9.mol
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Chemical Properties

Definition A bicyclic molecule composed of a benzene ring attached at the oand mpositions to a heterocyclic ring. It forms useful anthranilic acid derivatives by reaction with hydrogen.
Appearance BEIGE TO BROWN POWDER
Melting point  233 °C (dec.) (lit.)
Boiling point  290.19°C (rough estimate)
density  1,52 g/cm3
vapor density  5.6 (vs air)
refractive index  1.5510 (estimate)
Fp  308 °C
storage temp.  Store below +30°C.
solubility  0.3g/l
form  Powder
pka 11.06±0.20(Predicted)
color  Beige to brown
Water Solubility  decomposes
Sensitive  Moisture Sensitive
BRN  136786
LogP 0.978 (est)
CAS DataBase Reference 118-48-9(CAS DataBase Reference)
NIST Chemistry Reference Isatoic anhydride(118-48-9)
EPA Substance Registry System 118-48-9(EPA Substance)
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Safety Data

Hazard Codes  Xi
Risk Statements 
R36:Irritating to the eyes.
R43:May cause sensitization by skin contact.
Safety Statements 
S24:Avoid contact with skin .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37:Wear suitable gloves .
WGK Germany  1
RTECS  DM3100000
F  3
Autoignition Temperature >600 °C
TSCA  Yes
HS Code  29349990
Hazardous Substances Data 118-48-9(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: > 6400 mg/kg LD50 dermal Rabbit > 2000 mg/kg

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