Fast Red F5R
Pigment Red 48:2
CAS: 7023-61-2
Molecular Formula: C18H11CaClN2O6S
Fast Red F5R - Names and Identifiers
| Name | Pigment Red 48:2 |
| Synonyms | Fast Red F5R Pigment Red 48 calcium salt C.I. Pigment Red 48, calcium salt calcium 4-[(5-chloro-4-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate calcium 4-[(E)-(5-chloro-4-methyl-2-sulfonatophenyl)diazenyl]-3-hydroxynaphthalene-2-carboxylate calcium (4Z)-4-[2-(5-chloro-4-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate |
| CAS | 7023-61-2 |
| EINECS | 230-303-5 |
| InChI | InChI=1/C18H13ClN2O6S.Ca/c1-9-6-15(28(25,26)27)14(8-13(9)19)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24;/h2-8,22H,1H3,(H,23,24)(H,25,26,27);/q;+2/p-2/b21-20+ |
Fast Red F5R - Physico-chemical Properties
| Molecular Formula | C18H11CaClN2O6S |
| Molar Mass | 458.89 |
| Density | 1.7[at 20℃] |
| Storage Condition | Room Temprature |
| Physical and Chemical Properties | solubility: it is purplish red in concentrated sulfuric acid, and blue-red precipitation after dilution. hue or color: brilliant blue and red relative density: 1.50-1.08 Bulk density/(lb/gal):12.5-15.5 average particle size/μm:0.05-0.07 particle shape: Cubic, Rod specific surface area/(m2/g):53-100 pH value/(10% slurry):6.4-9.1 oil absorption/(g/100g):35-67 hiding power: translucent diffraction curve:  reflection curve:  purple powder, strong coloring power. The concentrated sulfuric acid was purplish red, which was blue-red after dilution, brown-red in case of concentrated nitric acid, and red in case of sodium hydroxide. Good heat and heat resistance. Poor acid and alkali resistance. |
| Use | The pigment ratio C.I. Pigment Red 48:1, 48:4 show blue light, red blue red tone and can be used as the standard color of gravure ink, but than pigment red 57:1 yellow light. Mainly used for printing ink NC-type packaging printing ink, thickening in water-based printing ink; Soft PVC coloring without bleeding, HDPE heat-resistant 230 ℃/5min, a large number of used for LDPE coloring, than P.R.48:1 is more light resistant and can also be used for PP pulp coloring. There are as many as 118 brands put on the market. It is mainly used for the coloring of ink, plastic, rubber, paint and cultural materials. |
Fast Red F5R - Reference Information
| LogP | -0.75 at 23℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | is mainly used for coloring of ink, plastic, rubber, paint and cultural materials. |
Last Update：2024-04-09 20:45:29
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Tel: 609-228-6898
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CAS: 7023-61-2
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