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28230-32-2

Name 3-Hydroxy-1,2,3-benzotriazin-4(3H)-one
CAS 28230-32-2
EINECS(EC#) 248-916-1
Molecular Formula C7H5N3O2
MDL Number MFCD00042803
Molecular Weight 163.13
MOL File 28230-32-2.mol
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Chemical Properties

Appearance Slightly yellow crystals
Melting point  184-189°C
Boiling point  290.19°C (rough estimate)
density  1.041(20.0000℃)
refractive index  n20/D 1.476
Fp  58 °C
storage temp.  2-8°C
solubility  Soluble in water or 1% acetic acid
form  Powder
pka 7.78±0.20(Predicted)
color  White to off-white
CAS DataBase Reference 28230-32-2(CAS DataBase Reference)

Safety Data

Hazard Codes  T,E,Xi
Risk Statements 
R20/21:Harmful by inhalation and in contact with skin .
R36/37/38:Irritating to eyes, respiratory system and skin .
R2:Risk of explosion by shock, friction, fire or other sources of ignition.
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S35:This material and its container must be disposed of in a safe way .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
RIDADR  UN 3379 3/PG 1
WGK Germany  3
F  10-21
HS Code  29339900

Hazard Information

Material Safety Data Sheet(MSDS)

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