Solvent Orange 7
Name:C.I.Solvent Orange 7,C.I.12140
Molecular Structure: Single azo class
Molecular Formula:C18H16N2O
Molecular Weight: 276.33
CAS Registry Number:3118-97-6
Manufacturing Methods :mixed N,N-dimethylaniline diazotization, and Naphthalen-2-ol coupling.
Properties and Applications:red orange. Melting point 166 ℃ (from the glacial acetic acid crystallization out). Soluble in ethanol, acetone and benzene as the red orange. In concentrated sulfuric acid for cherry red, dilution still for cherry red, and then into the orange and red brown with precipitation; In concentrated nitric acid for brilliant orange solution, and then gradually become dark; In 10% of sodium hydroxide solution insoluble, for yellow sanguine. Dye alcohol solution to join concentrated hydrochloric acid for orange solution; Add sodium hydroxide to become red.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Good | 166 | 100 | Insoluble | Well | Well |
List of Suppliers:
Transparent Orange BL Haining Hongyu Chemical Co., Ltd.
ABCOL Oil Scarlet 203 ( Abbey Color Inc. )
Akasol Scarlet 2G (Classic Dyestuffs Inc)
AP Orange 7 ( AP Color Products )
Atlasol Scarlet 2G ( Pylam Products Co. Inc. )
Calco Oil Scarlet BL( Pylam Products Co. Inc. )
Calco Oil Scarlet ZBL ( Pylam Products Co. Inc. )
Dayglo Solvent Orange 07( Day-Glo Color Corp. )
Keyplast Scarlet BLZ( Keystone Aniline Corporation )
KPSolve Orange S( KPS Dyes and Chemicals Inc )
Novasol Orange S ( Nova Chemical Corp )
Oil Scarlet 203( Passaic Color & Chemical Co. )
Oil Scarlet 203( Pylam Products Co. Inc. )
Oil Scarlet 6G( Pylam Products Co. Inc. )
Oil Scarlet BG( Pylam Products Co. Inc. )
Oil Scarlet BL ( Passaic Color & Chemical Co. )
Oilsol Orange KB ( Rohm & Haas Co. )
Permalex Flame( Standard Dyes )
Polysolve Orange 7( Polysolve Inc. )
Sudan II(Simpsons (UK) Ltd)
Sudan Orange RR( BASF Aktiengesellschaft )
Sudan Orange RRA ( Pylam Products Co. Inc. )
Vermillion (Simpsons (UK) Ltd)
Waxol Orange DXN( Devarsons Industries Ltd )
Waxol Orange DXN( Sharda International )
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