OilRedO[forBiochemicalResearch]

Synonym(s):
1-([4-(Xylylazo)xylyl]azo)-2-naphthol;1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol;Solvent Red 27;Sudan Red 5B

CAS NO.：

Empirical Formula: C26H24N4O

Molecular Weight: 408.49

MDL number: MFCD00003898

EINECS: 215-295-3

PRODUCT Properties

• Melting point: 120 °C (dec.)(lit.)
• Flash point: 103℃
• storage temp.: room temp
• solubility: chloroform/ethanol (1:1): soluble1mg/mL
• form: powder
• Colour Index: 26125
• color: Red to dark greenish-brown
• Water Solubility: Soluble in ethanol:chloroform (1:1). Insoluble in water.
• λmax: 518 nm, 359 nm
• BRN: 3491382
• Biological Applications: Detecting early stages of atherosclerotic lesion formation; treating obesity,hyperlipidemia,fatty liver,leptin production disorders; dental impression material; measuring phagocytosis

Description and Uses

Oil Red O is suitable as a lipid and lipoprotein stain on cellulose acetate. It is one of the diazo dyes used for staining of neutral triglycerides and lipids. It is used to analyze muscle fibers. It acts as an agent that stains lipids, muscle fibers and alveolar macrophages. Further, it is also used as marking dye. It is an active component of red colored smokes in pyrotechnics.

Safety

• Symbol(GHS): GHS02,GHS07
• Signal word: Danger
• Hazard statements: H225-H319-H336
• Precautionary statements: P210-P305+P351+P338
• Hazard Codes: F,Xi
• Risk Statements: 36/37/38-67-36-11
• Safety Statements: 22-24/25-26-16-7
• RIDADR: UN1219 - class 3 - PG 2 - Isopropanol, solution
• WGK Germany: 3
• TSCA: Yes
• HS Code: 32041900