Sudan I ≥95% (dye content), Sigma-Aldrich®

Irritant

Health

Supplier: SIGMA ALDRICH MICROSCOPY

Certificates

Irritant

Health

Sudan I ≥95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Certificates

About this item

CAS Number:842-07-9

Formula:C₁₆H₁₂N₂O

MDL Number:MFCD00003911

:248.28 g/mol

Boiling Pt:444 °C (1013 hPa)

Melting Pt:131...133 °C

Density:0,32 g/cm³ (20 °C)

:M-Clarity™ quality level = MQ200

Flash Pt:>290 °C (closed cup)

Storage Temperature:Room Temperature

EINECS:212-668-2

:GHS07

:GHS08

Some Products May Appear Restricted

To ensure a smooth and speedy checkout, please log in to your account. Some items may show as restricted simply because you're not logged in.

If you do not have an account, you can register using our registration webform (https://www.avantorsciences.com/us/en/login/register)

If you're still seeing restrictions after logging in, certain products—like chemicals or medical devices—require additional account verification steps to be able to place an order. Some items may additionally require a specific license or customer documentation; additional documentation will be requested for these items prior to shipment.

Specification Test Results

Appearance (Colour):
Orange to very dark orange and orange-red and red-orange and dark red-orange
Appearance (Form) :
Powder
Solubility (Colour) :
Orange to very dark orange and red to very dark red and orange-red and red-orange
Solubility (Turbidity) :
Clear to very slightly hazy
Carbon Content :
72.8 - 82.0 %
Nitrogen Content :
10.6 - 11.9 %
Infrared Spectrum :
Conforms to Structure
Wavelength (1)(UV) :
461.0 - 491.0 nm
Molar Absorbancy Index (1)(UV):
≥11000
Wavelength (2)(UV):
299.0 - 319.0 nm
Molar Absorbancy Index (2)(UV):
≥6000
Wavelength (3)(UV):
223.0 - 233.0 nm
Molar Absorbancy Index (3)(UV):
≥30000
Solvent (UV) C = 0.01 g/l; Ethanol:
Conforms