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(1Z)-1-[[2,5-dimethyl-4-[(2-methylphenyl)diazenyl]phenyl]hydrazinylidene]naphthalen-2-one

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Origin: China

Cas No: 4477-79-6

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 4477-79-6 Formula: C25H22N4O Molecular Weight: 394.46800

Description

Solvent Red 26, also known as 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 US 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. The concentration required by IRS is a spectral equivalent of 3.9 pounds per 1000 barrels, or 11.13mg/l, of Solvent Red 26 in solid form; the concentrations required by EPA are roughly 5 times lower.

Basic Info

Chemical Name	(1Z)-1-[[2,5-dimethyl-4-[(2-methylphenyl)diazenyl]phenyl]hydrazinylidene]naphthalen-2-one
Synonyms	Calcogas Rocket Red; Oil Red N-1700; Oil Red Z-1700; Calco Oil Red N 1700; Oil Red OB; Oil Red GPD; Solvent Red 26; C.I. Solvent Red 26; Oil Red EGN;
CAS No.	4477-79-6
Molecular Formula	C25H22N4O
Molecular Weight	394.46800
PSA	69.67000
LogP	8.30140

Properties

Density	1.18 g/cm3
Boiling Point	591.6ºC at 760 mmHg
Melting Point	130ºC
Flash Point	311.6ºC
Refractive Index	1.637

Safety Info

Safety Statements	S26; S36
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

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