Miscellaneous

What color is monastral blue?

What color is monastral blue?

Phthalocyanine Blue BN, also called monastral blue, phthalo blue (and others) (CAS 147-14-8, EINECS 205-685-1), is a bright, greenish-blue crystalline synthetic blue pigment from the group of phthalocyanine dyes. It was first developed as a pigment in the mid-1930s.

What is monastral blue?

Description. [DuPont] A brand name for a copper Phthalocyanine blue pigment. Monastral blue was commercially introduced in 1935. Monastral green is made from the same phthalocyanine base but is modified by chlorination. Some commercial products by the same name may contain less permanent colors.

What is CPC blue crude?

Copper phthalocyanine (CPC) blue is the copper (II) complex of tetra aza tetra benzoporphine (CPC) whereas phthalocyanine green is its chlorinated derivative. CPC Blue is an upstream product and is a raw material used for the manufacture of our Pigment Blue and Pigment Green products.

What is Phthalo blue used for?

Phthalo pigments are transparent, highly staining, and reliably lightfast. They are commonly used in industrial and printing applications, as well as in artist paints. Phthalocyanine dye is even used as a toothpaste colourant. The spectrum of Phthalo pigments ranges from deep, warm blues to cool spring greens.

Is phthalocyanine blue toxic?

Copper: Phthalo Blue & Green. Harmful if inhaled or swallowed. Nickel. Cumulative exposure leads to poisoning and nerve damage.

Which complex of phthalocyanine is called monastral fast blue?

Synonyms and trade names The substance, chemical name (29H,31H-phthalocyaninato(2−)-N29,N30,N31,N32)copper(II) (or copper phthalocyanine), is also known as monastral blue, phthalo blue, helio blue, thalo blue, Winsor blue, phthalocyanine blue, C.I.

How do I make my CPC Blue?

Take above heated crude material into dumping vessel with spent sulphuric acid (mother liquor from Alpha Blue) and add water. Then start heating up to 95 deg C and maintain for 3 hrs.. Then filter in filter press, wash it , Neutralize it , dry & pulverize it and packed the final product as a CPC blue.

Where does phthalocyanine come from?

In general, a crude copper phthalocyanine is produced by reacting phthalic anhydride, urea, copper/copper salt and ammonium molybdate (catalyst) in high-boiling solvent such as o-nitrotoluene, trichlorobenzene or alkyl benzenes.

Is Phthalo blue close to ultramarine?

Although ultramarine is the most commonly used blue on the landscape painter’s palette, it cannot produce the distinct hue phthalo can, even when mixed with other colors. If you were to replace ultramarine with phthalo for most of your blue mixes, your painting would take on a strange, acidic blue-green pall.

How do you mix Phthalo blue?

Step 1: Mix 1 part of Phthalo Blue (Green Shade) with 2 parts Quinacridone Magenta. The mixture will be correct when you perceive it to be the deepest blue without being described as purple. This is an approximate primary blue. Step 2: Mix 2 parts primary blue with 1 part Hansa Yellow Medium.

How do you dissolve phthalocyanine?

You can try THF, chloroform or dichloromethane etc. Beside it is very interesting that your phthalocyanine is water soluble, you can use Dimethylsulfoxide (DMSO) or Dimethylformamide (DMF) to solve. DMF is quite good solvent you may use it to dissolve your phthalocyanine.

Which metal is present in monastral Fast blue B?

copper
…its copper complex marketed as Monastral Fast Blue B and Monastral Fast Blue G, respectively.