Pigment Red 57:1
Synonym(s):3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthoic acid calcium salt
- CAS NO.：5281-04-9
- Empirical Formula: C18H16CaN2O6S
- Molecular Weight: 428.47
- MDL number: MFCD00059529
- EINECS: 226-109-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is Pigment Red 57:1?
Characteristics
C.I. Pigment Red 57:1,15850:1 (Lithol Rubine) is one of the most important organic pigments and an important printing ink pigment.It has a brilliant shade that corresponds to the standard “magenta”shade of the European scale for multicolor, letterpress, and offset printing, as well as high tinting strength, good lightfastness, and solvent resistance.
The Uses of Pigment Red 57:1
Pigment Red 57:1 is one of the most important organic pigments and an important printing ink pigment.
It is used in almost all printing ink sectors (in letterpress and offset printing, and in illustration and packaging gravure printing) for several reasons. It has a brilliant shade that corresponds to the standard “magenta” shade of the European scale for multicolor, letterpress, and offset printing, as well as high tinting strength, good lightfastness, and solvent resistance.
Flammability and Explosibility
Not classified
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
RED POWDER |
|
SHADE |
BLUISH |
|
HEAT RESISTANCE |
180 °C min |
|
LIGHT FASTNESS |
6 |
|
ACID RESISTANCE |
5 |
|
ALKALI RESISTANCE |
4 |
|
FASTNESS TO BLEEDING |
5 |
|
OIL ABSORPTION |
45-50% |
|
SPECIFIC SURFACE |
28 m 2 /g |
|
DENSITY |
1.60 g/cm 3 |
|
RESIDUE ON 80 MESH |
5.0% max |
|
WATER SOLUBLE |
1.0% max |
|
VOLATITE 105 °C |
1.0% max |
|
TINTING STRENGTH |
100-105 % |
Properties of Pigment Red 57:1
| Density | 0.352-1.7[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| form | powder to crystal |
| Colour Index | 15850 |
| color | Red to Dark red to Brown |
| Water Solubility | 8.9mg/L at 25℃ |
| CAS DataBase Reference | 5281-04-9(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Pigment Red 57, calcium salt (1:1) (5281-04-9) |
Safety information for Pigment Red 57:1
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P501:Dispose of contents/container to..… |
Computed Descriptors for Pigment Red 57:1
Pigment Red 57:1 manufacturer
Shree Nathji Dyestuffs
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