Pigment Red 168
Name:C.I.Pigment Red 168,C.I.59300
Molecular Structure: anthraquinones
Molecular Formula:C22H8Br2O2
Molecular Weight: 464.11
CAS Registry Number:4378-61-4
Manufacturing Methods :(a) Anthanthrone brominated; (b) 1,1′-Binaphthyl-8,8′-dicarboxylic acid in sulfuric acid in closed loop and brominated; In the (b) method is first bromide in, and then closed loop.
Properties and Applications:brilliant yellow red. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, Xylene, slightly soluble in hot Chloroform, 2 – Chlorophenol, Azabenzene, not soluble in acetone, ethanol, toluene. In concentrated sulfuric acid for SAP green, dilution for orange; In the basic insurance powder solution for red light purple; In the acidic insurance powder solution for orange. With C.I.Vat Orange 3 same chemical structure.
Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
Melting point | Stable | ||||||
Excellent | Good to 400Well to 180 | Good | Good | Good | Good |
List of Suppliers:
Colanyl Scarlet GO 200( Clariant GmbH )
Hostaperm Scarlet GO ( Clariant GmbH )
Hostaperm Scarlet GO Transparent ( Clariant GmbH )
Hostatint Scarlet GO ( Clariant GmbH )
Indanthren Brilliant Orange RK [FIAT] (Cassella Leopold & Co.)
Monolite Red 2Y ( BASF Aktiengesellschaft )
Pintasol Red E-WL31 ( Clariant GmbH )
Vocaflex Scarlet Red 168(Arichemie GmbH)
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