| Identification | Back Directory | [Name]
Mordant Red 5 | [CAS]
3564-26-9 | [Synonyms]
MORDANT RED 5
C.I. Mordant Red 5
Acid mordant Red 5
Chrome Bordeaux BR
ANTHRACENE CHROME RED A
Mordant red 5 (C.I. 14290)
C.I.Mordant Red 5:C.I.14290
Sodium 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxybenzenesulfonate
sodium 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxybenzenesulphonate
3-[(2,4-Dihydroxyphenyl)azo]-4-hydroxybenzenesulfonic acid sodium salt
3-[(2,4-dihydroxyphenyl)azo]-4-hydroxy-benzenesulfonicacimonosodiumsalt | [EINECS(EC#)]
222-644-3 | [Molecular Formula]
C12H11N2NaO6S | [MDL Number]
MFCD00056115 | [MOL File]
3564-26-9.mol | [Molecular Weight]
334.28 |
| Hazard Information | Back Directory | [Preparation]
3-Amino-4-hydroxybenzenesulfonic acid diazotization, and Resorcinol coupling. | [Properties and Applications]
dark red to bordeaux. Soluble in water for orange to brown light orange, slightly soluble in ethanol for yellow orange, soluble in Acetone. In concentrated sulfuric acid to red light yellow, dilute color shallow; In concentrated nitric acid for orange brown solution.
|
Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
|
|
ISO
|
2-3
|
5
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3-4
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3
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4
|
4
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5
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|
AATCC
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4-5
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5
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4-5
|
|
4-5
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4-5
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5
|
| [Purification Methods]
Purify the dye by precipitating the free acid from aqueous solution using concentrated HCl, then wash it and extract it with EtOH in a Soxhlet extractor. Evaporation of the EtOH leaves the purified acid which is converted to the sodium salt. |
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