Chemistry:Solvent Red 26
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Names | |
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Other names
Oil Red EGN, Benzidine Yellow 10G, Sanyo Pigment Yellow 8105
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Identifiers | |
3D model (JSmol)
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ChEMBL | |
ChemSpider | |
EC Number |
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PubChem CID
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UNII | |
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Properties | |
C25H22N4O | |
Molar mass | 394.478 g·mol−1 |
Appearance | Red solid |
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Hazards | |
GHS pictograms | ![]() ![]() |
GHS Signal word | Warning |
H315, H317, H319, H335, H341, H351 | |
P201, P202, P261, P264, P271, P272, P280, P281, P302+352, P304+340, P305+351+338, P308+313, P312, P321, P332+313, P333+313, P337+313, P362, P363, P403+233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Tracking categories (test):
Solvent Red 26, also known as Oil Red EGN or C.I. 26120, is a purplish red synthetic azo dye. It is soluble in oils and insoluble in water.
Its main use is as a standard fuel dye in the United States of America mandated by the US IRS to distinguish low-taxed or tax exempt heating oil from automotive diesel fuel, and by the EPA to mark fuels with higher sulfur content; it is however increasingly replaced with Solvent Red 164, a similar dye with longer alkyl chains, which is better soluble in hydrocarbons.[1] The concentration required by IRS is a spectral equivalent of 3.9 pounds per 1000 barrels, or 11.13 mg/L, of Solvent Red 26 in solid form; the concentrations required by EPA are roughly 5 times lower.
See also
- Solvent Red 27
- Solvent Red 164
References
![]() | Original source: https://en.wikipedia.org/wiki/Solvent Red 26.
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