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Sudan IV CAS 85-83-6 CI 26105 CI 258 CI Solvent Red 24 CI Solvent Red 24 8CI 

Payment Terms: T/T,L/C,WU 
Place of Origin: Sichuan, China (Mainland) 
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Product Detail

Model No.: C24H20N4O
Production Capacity: 100 Ton/year
Delivery Date: within 7 days
CAS No.: 85-83-6
Molecular weight: 380.45
Flashing point: 424.365°C
Melting point: 199℃
Name: Sudan IV
Means of Transport: Ocean,Land,Air
Packing: According to the customer r...
Brand Name: MOSINTER
Molecular formula: C24H20N4O
Density: 1.192g/cm3
Boiling point: 618.845°C at 760 mmHg
Vapour pressure: 0 mmHg at 25°C
Alias: C.I. 26105

Sudan IV mainly used in oil, water, soap, candles, rubber toys, plastic productsan .Sudan IV is also used as a fuel dye to dye lower-taxed heating oil

Sudan IV (CAS: 85-83-6)





Red-brown powder

Melting point ℃


Boiling point ℃


Storage conditions

Amber   Vial, Refrigerator

Basic information

Sudan IV is a lysochrome (fat-soluble dye) diazo dye used for the staining of lipids, triglycerides and lipoproteins on frozen paraffinsections.It has the appearance of reddish brown crystals with melting point 199 °C and maximum absorption at 520(357) nm.Is the laboratory commonly used chemical reagents,toxicity of micro.Fat can be Sudan red Ⅳ dyed red.

Sudan IV is one of the dyes used for Sudan staining. Similar dyes include Oil Red O, Sudan III, and Sudan Black B. Staining is an important biochemical technique, offering the ability to visually qualify the presence of the fatty compound of interest without isolating it. For staining purposes Sudan IV can be made up in propylene glycol. 


Sudan IV mainly used in oil, water, soap, candles, rubber toys, plastic productsan .Sudan IV is also used in United Kingdom as a fuel dye to dye lower-taxed heating oil.

Matters need attention

Sudan IV have been classified as category 3 carcinogens by the International Agency for Research on Cancer.

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Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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