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

Methyl Yellow

Chemical Substance Law (ENCS):   5-3040
  • Butter Yellow
  • 4-(Dimethylamino)azobenzene
  • N,N-Dimethyl-4-(phenylazo)aniline
  • Dimethyl Yellow
  • Solvent Yellow 2
≥20  10   ≥20 
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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) Ether,Benzene,Acetone,Chloroform
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 P501 : Dispose of contents/ container to an approved waste disposal plant.
P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray.
P273 : Avoid release to the environment.
P270 : Do not eat, drink or smoke when using this product.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P405 : Store locked up.
Related Laws:
Chemical Substance Law (ENCS) 5-3040
ISHL Specified Group 2 Substance
RTECS# BX7350000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
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