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CAS RN: 2465-27-2 | Product Number: A0334


Purity: >80.0%(T)(HPLC)
  • Basic Yellow 2
  • Auramine O
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Product Number A0334
Purity / Analysis Method >80.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__1__7H__2__1N__3·HCl = 303.83  
Physical State (20 deg.C) Solid
CAS RN 2465-27-2
Reaxys Registry Number 4030061
PubChem Substance ID 87561985
Colour Index 41000
MDL Number


Appearance Light yellow to Amber to Dark green powder to crystaline
Purity(HPLC) min. 80.0 area%
Purity(Argentmetric Titration) min. 80.0 %
Lambda max. 430.0 to 434.0 nm (H2O)
Absorbance(E1%1cm) min. 900(430.0 to 434.0 nm, H2O)
Properties (reference)
Maximum Absorption Wavelength 432(H2O) nm
Solubility in water Practically insoluble
Solubility (very slightly) Ethanol
Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H311 : Toxic in contact with skin.
H302 : Harmful if swallowed.
H319 : Causes serious eye irritation.
H373 : May cause damage to organs through prolonged or repeated exposure.
H351 : Suspected of causing cancer.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P391 : Collect spillage.
Related Laws:
EC Number 219-567-2
RTECS# BY3675000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
HS Number 3204130090
PubMed Literature

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