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CAS RN: 60-11-7 | Product Number: D0231

Methyl Yellow

  • Butter Yellow
  • 4-(Dimethylamino)azobenzene
  • N,N-Dimethyl-4-(phenylazo)aniline
  • Dimethyl Yellow
  • Solvent Yellow 2
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Product Number D0231
Molecular Formula / Molecular Weight C__1__4H__1__5N__3 = 225.30  
Physical State (20 deg.C) Solid
CAS RN 60-11-7
Reaxys Registry Number 746017
PubChem Substance ID 87566941
SDBS (AIST Spectral DB) 7547
Merck Index (14) 3229
Colour Index 11020
MDL Number


Appearance Orange to Brown powder to crystal
Lambda max. 505.0 to 515.0 nm(pH 2.4)
Absorbance min. 0.510(5 mg/L, pH 2.4, 505.0 to 515.0 nm)
Transition interval(pH) (pale purplish red)2.9 to 4.0(pale redish yellow)
Properties (reference)
Melting Point 114 °C
Maximum Absorption Wavelength 513(pH2.4) nm
Solubility in water Insoluble
Degree of solubility in water 0.23 mg/l   25 °C
Solubility (soluble in) Benzene,Chloroform,Acetone,Ether
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 : Toxic if swallowed.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H341 : Suspected of causing genetic defects.
H351 : Suspected of causing cancer.
H335 : May cause respiratory irritation.
H413 : May cause long lasting harmful effects to aquatic life.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P273 : Avoid release to the environment.
P201 : Obtain special instructions before use.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
Related Laws:
EC Number 200-455-7
RTECS# BX7350000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
HS Number 2927000090
Safety Data Sheet (SDS)
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C of A & Other Certificates
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