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CAS RN: 85-83-6 | Product Number: O0100

Sudan IV

  • Bieblich Scarlet R
  • Oil Red
  • Scarlet Red
  • Scharlach Red
  • Solvent Red 24
5   3   ≥40 
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Product Number O0100
Molecular Formula / Molecular Weight C__2__4H__2__0N__4O = 380.45 
Physical State (20 deg.C) Solid
CAS RN 85-83-6
Reaxys Registry Number 11050102
PubChem Substance ID 87574108
SDBS (AIST Spectral DB) 12934
Merck Index (14) 8393
Colour Index 26105
MDL Number


Appearance Orange to Amber to Dark red powder to crystal
Lambda max. 514.0 to 517.0 nm(THF)
Absorbance min. 0.780(10mg/L, THF, 514.0 to 517.0 nm)(calcd.on dried substance)
Drying loss max. 2.5 %
Properties (reference)
Maximum Absorption Wavelength 516(THF) nm
Solubility in water Insoluble
Solubility (soluble in) Chloroform
Solubility (slightly sol. in) Ethanol,Acetone,Benzene
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
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.
P302 + P352 : IF ON SKIN: Wash with plenty of soap and water.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P362 : Take off contaminated clothing and wash before reuse.
Related Laws:
RTECS# QL5775000
Transport Information:
HS Number 3204.19.5000
PubMed Literature

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