2-Naphthalenecarboxamide, N,N-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy-
Cromophtal Scarlet R (CGY)
CAS: 3905-19-9;71819-52-8
Molecular Formula: C40H24Cl4N6O4
2-Naphthalenecarboxamide, N,N-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- - Names and Identifiers
| Name | Cromophtal Scarlet R (CGY) |
| Synonyms | P.R.166 C.I. 20730 Disazo Scarlet Pigment Red 166 C.I.Pigment Red 166 Cromophtal Scarlet R Cromophtal Scarlet R (CGY) Pigment red 166 (C.I. 20730) 1,4-Bis[[1-(2,5-dichlorophenylazo)-2-hydroxy-3-naphthoyl]amino]benzene 2-Naphthalenecarboxamide, N,N-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- N,N'-1,4-phenylenebis[4-(2,5-dichlorophenyl)azo]-3-hydroxy-2-Naphthalenecarboxamide 2-Naphthalenecarboxamide,N,N'-1,4-phenylenebis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy- N,N'-phenylene-1,4-bis[4-[(2,5-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide] |
| CAS | 3905-19-9 71819-52-8 |
| EINECS | 223-460-6 |
| InChI | InChI=1/C40H24Cl4N6O4/c41-23-9-15-31(43)33(19-23)47-49-35-27-7-3-1-5-21(27)17-29(37(35)51)39(53)45-25-11-13-26(14-12-25)46-40(54)30-18-22-6-2-4-8-28(22)36(38(30)52)50-48-34-20-24(42)10-16-32(34)44/h1-20,51-52H,(H,45,53)(H,46,54) |
2-Naphthalenecarboxamide, N,N-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- - Physico-chemical Properties
| Molecular Formula | C40H24Cl4N6O4 |
| Molar Mass | 794.47 |
| Density | 1.50 |
| Boling Point | 891.4±65.0 °C(Predicted) |
| pKa | 11.00±0.70(Predicted) |
| Refractive Index | 1.72 |
| Physical and Chemical Properties | hue or color: yellow Red relative density: 1.57 Bulk density/(lb/gal):13.08 melting point/℃:340 particle shape: needle specific surface area/(m2/g):26 pH value/(10% slurry):7 oil absorption/(g/100g):55 hiding power: translucent diffraction curve:  reflex curve:  |
| Use | The pigment is pure yellow red, mainly used for plastic and ink coloring, resistant to migration in soft PVC, with moderate coloring strength, hiding power, good light resistance, weather fastness; in HDPE can be heat-resistant to 300 ℃, transparent light for 8, also used for polyacrylonitrile, polystyrene and rubber coloring; Also recommended for high-grade industrial automotive coatings, packaging ink and metal decorative ink. There are 21 types of products put on the market. |
2-Naphthalenecarboxamide, N,N-1,4-phenylenebis4-(2,5-dichlorophenyl)azo-3-hydroxy- - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 19:05:09
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