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CAS RN: 2646-17-5 | Product Number: T0553

Oil Orange SS

  • Solvent Orange 2
  • 1-(o-Tolylazo)-2-naphthol
4   ≥20 

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Product Number T0553
Molecular Formula / Molecular Weight C__1__7H__1__4N__2O = 262.31  
Physical State (20 deg.C) Solid
CAS RN 2646-17-5
Reaxys Registry Number 8330630
PubChem Substance ID 87576471
SDBS (AIST Spectral DB) 12822
Colour Index 12100
MDL Number


Appearance Orange to Red powder to crystal
Melting point 127.0 to 132.0 °C
Lambda max. 487.0 to 491.0 nm(MeOH)
Absorbance min. 0.640(10mg/L, MeOH, 487.0 to 491.0 nm)
Properties (reference)
Melting Point 128 °C
Maximum Absorption Wavelength 489(MeOH) nm
Solubility in water Insoluble
Solubility (slightly sol. in) Benzene,Acetone,Chloroform,Ethanol
Pictogram Pictogram
Signal Word Warning
Hazard Statements H341 : Suspected of causing genetic defects.
H351 : Suspected of causing cancer.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P405 : Store locked up.
Related Laws:
EC Number 220-162-8
RTECS# QL5425000
Transport Information:
HS Number 2927000090
PubMed Literature

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