Identification | Back Directory | [Name]
CRYSTAL PONCEAU 6R | [CAS]
2766-77-0 | [Synonyms]
CI 16250 PONCEAU 6R CI NO 16250 ACID RED 44 CRYSTAL SCARLET CRYSTAL PONCEAU Acid Ponceau 6R C.I. Acid Red 44 Crystal Ponceau?R Crystal poncaeu 6R CRYSTAL PONCEAU 6R ponceau6rc.i.no.16250 Ponceau 6R C.I. 16250 Acid red 44 (C.I. 16250) brillant crystal scarlett BRILLIANT CRYSTAL SCARLET crystalscarlet(acidred44) C.I.Acid Red 44:C.I.16250 Ponceau 6R【disulfonic acid】 Crystal Ponceau 6R (Technical Grade) CRYSTAL PONCEAU 6R ISO 9001:2015 REACH sodium 6-hydroxy-5-(1-naphthylazo)naphthalene-2,4-disulphonate Acid Red 44, Brilliant Crystal Scarlet, Crystal Scarlet, Ponceau 6R 7-Hydroxy-8-(1-naphthalenylazo)-1,3-naphthalenedisulfonic acid disodium salt | [EINECS(EC#)]
220-441-4 | [Molecular Formula]
C20H12N2Na2O7S2 | [MDL Number]
MFCD00013279 | [MOL File]
2766-77-0.mol | [Molecular Weight]
502.43 |
Chemical Properties | Back Directory | [Melting point ]
>300 °C(lit.) | [storage temp. ]
Amber Vial, Refrigerator, Under inert atmosphere | [solubility ]
DMSO (Slightly), Methanol (Slightly) | [Colour Index ]
16250 | [form ]
Powder | [color ]
Red | [Stability:]
Light Sensitive |
Hazard Information | Back Directory | [Uses]
Crystal Ponceau 6R can be used as analyte in analytical study for determination of 36 artificial pigments in foods by ultra high performance liquid chromatography and time-of-fight mass spectrometry. Dyes and metabolites, Environmental Testing | [Definition]
ChEBI: An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid. | [Preparation]
Naphthalen-1-amine diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling. | [Properties and Applications]
red. Soluble in water for red, soluble in ethanol for yellow light red, almost insoluble in acetone. The strong sulfuric acid for red light blue, diluted for scarlet. In water solution to join hydrochloric acid colour and lustre is darker, and extra a flake crystallization precipitation part; Add thick sodium hydroxide solution for yellow brown.
Standard
|
Light Fastness
|
Soaping
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Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
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Fading
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Stain
|
Fading
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Stain
|
Fading
|
Stain
|
ISO
|
3
|
2-3
|
3
|
2
|
2
|
|
2-3
|
|
|
|
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Alfa Chemistry
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Energy Chemical
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Carbosynth
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www.carbosynth.com |
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