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136-85-6

Name 5-Methyl-1H-benzotriazole
CAS 136-85-6
EINECS(EC#) 205-265-8
Molecular Formula C7H7N3
MDL Number MFCD00005702
Molecular Weight 133.15
MOL File 136-85-6.mol
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Chemical Properties

Appearance cream to beige crystalline powder
Melting point  80-82 °C(lit.)
Boiling point  210-212 °C12 mm Hg(lit.)
density  1.1873 (rough estimate)
refractive index  1.5341 (estimate)
Fp  210-212°C/12mm
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
form  Crystalline Powder
pka 8.74±0.40(Predicted)
color  Cream to beige
Water Solubility  6.0 g/L (25 ºC)
λmax 276nm(H2O)(lit.)
BRN  116658
InChIKey LRUDIIUSNGCQKF-UHFFFAOYSA-N
CAS DataBase Reference 136-85-6(CAS DataBase Reference)
NIST Chemistry Reference 1H-benzotriazole, 5-methyl-(136-85-6)
EPA Substance Registry System 136-85-6(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R37:Irritating to the respiratory system.
R22:Harmful if swallowed.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
WGK Germany  3
RTECS  DM1400000
TSCA  Yes
HS Code  29339900

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