Solvent Red 25 Cas 3176-79-2

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Solvent Red 25 Cas 3176-79-2

Chemical Name: Solvent Red 25
CAS No.: 3176-79-2
Molecular Formula: C24H20N4O
Molecular Weight: 380.44
Assay:≥99.0%
Samples: Available

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Typical Properties

Specifications

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard.		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5% determined on 1.0 g.		0.009%
Residue on ignition	≤0.1%		0.03%
Related Substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurities	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies

Usage

Solvent Red 25, also known as Sudan Red B, belongs to a type of azo dye. It can be used in synthetic dyes such as direct dyes, acid dyes, reactive dyes, metal complex dyes, dispersed dyes, cationic Chemicalbook dyes, and polycondensation dyes. It is used for dyeing and printing various natural and synthetic fibers, as well as coloring fur, plastics, rubber, ceramic products, oils, etc.

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