Vat Blue 4 CAS 81-77-6
Chemical Property:
| Molecular Formula | C28H14N2O4 |
| Molar Mass | 442.42 |
| Density | 1.3228 (rough estimate) |
| Melting Point | 470-500°C |
| Boling Point | 553.06°C (rough estimate) |
| Flash Point | 253.9°C |
| Water Solubility | <0.1 g/100 mL at 21 ºC |
| Vapor Presure | 8.92E-22mmHg at 25°C |
| Appearance | blue needle |
| Color | Dark red to Dark purple to Dark blue |
| Merck | 14,4934 |
| pKa | -1.40±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Stability | Incompatible with strong oxidizing agents. |
| Refractive Index | 1.5800 (estimate) |
| MDL | MFCD00046964 |
| Physical and Chemical Properties | Appearance: Blue paste or dry powder or blue-black fine particles solubility: slightly soluble in hot chloroform, O-chlorophenol, quinoline, insoluble in acetone, pyridine (heat), alcohol, toluene, xylene and acetic acid; Brown in concentrated sulfuric acid, diluted blue precipitation; Blue in alkaline powder solution, plus acid into red blue. hue or color: Red relative density: 1.45-1.54 Bulk density/(lb/gal):12.1-12.8 melting point/℃:300 average particle size/μm:0.08 specific surface area/(m2/g):40-57 pH value/(10% slurry):6.1-6.3 oil absorption/(g/100g):27-80 hiding power: translucent diffraction curve:  reflex curve:  |
| Use | There are 31 brands of commercial dosage forms, red and Blue, close to the red light of δ-CuPc, excellent light fastness, high transparency and solvent fastness, and the specific surface area of Cromophtal Blue A3R is 40 m2/g. Used in automotive coatings and other metal decorative paints, even more light resistant than CuPc; In the light color still has excellent durability, but less than the alpha-type CuPc tint; Can also be used for plastic coloring, the thermal stability in polyolefin is 300 ℃/5min(1/3SD HDPE sample 300, the color difference ΔE at 200 ℃ is only 1.5); Soft PVC has excellent migration resistance, light fastness to 8 (1/3SD); Also used in high-grade coins ink. Mainly used for automotive original topcoat |
| Risk Codes | 20/21/22 – Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S22 – Do not breathe dust. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. |
| RTECS | CB8761100 |
| Toxicity | LD50 oral in rat: 2gm/kg |
Introduction
Pigment Blue 60, chemically known as Copper phthalocyanine, is a commonly used organic pigment. The following is an introduction to the properties, uses, manufacturing methods and safety information of Pigment Blue 60:
Quality:
- Pigment Blue 60 is a powdery substance with a bright blue color;
- It has good light stability and is not easy to fade;
- Solvent stability, acid and alkali resistance and heat resistance;
- Excellent staining power and transparency.
Use:
- Pigment Blue 60 is widely used in paints, inks, plastics, rubber, fibers, coatings and colored pencils and other fields;
- It has good hiding power and durability, and is commonly used in paints and inks to make blue and green color products;
- In plastic and rubber manufacturing, Pigment Blue 60 can be used to color and change the appearance of materials;
- In fiber dyeing, it can be used to dye silk, cotton fabrics, nylon, etc.
Method:
- Pigment Blue 60 is mainly prepared by the synthesis process;
- A common preparation method is to produce a blue pigment by reacting with diphenol and copper phthalocyanine.
Safety Information:
- Pigment Blue 60 is generally considered to be relatively safe for the human body and the environment;
- However, long-term exposure to or inhalation of excessive amounts of dust may cause irritation to the skin, eyes and respiratory system;
- Special caution is required when children come into contact with Pigment Blue 60;
