Pebeo Studio Gouache - Carmine, 100 ml Tube
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Product Details
- Color:
- Carmine
- Size:
- 3.38 oz (100 ml)
- Mfg #:
- 290018
Pigment Information
This color contains the following pigments:
PR57:1-Lithol Rubine
PR4-Permanent Red
Pigment Name
PR57:1-Lithol Rubine
Pigment Type
organic, monoazo
Chemical Formula
C18H12N2O6, calcium salt
Properties
Lithol Rubine (PR57:1) is a deep transparent red dye, generally slightly bluish, that is laked as a salt with sodium or calcium to form a pigment. PR57 is the sodium salt, and has a more bluish tone. PR57:1 is the calcium salt, and is the most widely used. Lithol Rubine makes clean pinks when tinted. Sources vary greatly in hue and transparency. Lithol Rubine has high tinting strength.
Permanence
Lightfastness is considered only fair to good. Superior products are available when lightfastness is paramount. Where greater lightfastness is needed in process color printing, the more expensive pigment PR184, a Naphthol AS pigment, is often substituted for Lithol Rubine.
Toxicity
Lithol Rubine is not considered toxic. It is used in food, drugs, and cosmetics. Pink lipstick is often manufactured with pigment PR57:1. Lithol Rubine can be used in art materials intended for children.
History
Lithol Rubine pigments (especially the calcium salt PR57:1) are widely used in inks, paints, plastics, and textiles. Lithol Rubine is widely used as magenta in process color printing.
Pigment Name
PR4-Permanent Red
Pigment Type
organic, monoazo
Chemical Formula
Properties
Pigment PR4 is an opaque, bright yellowish red pigment with high tinting strength.
Permanence
Pigment PR4 has good lightfastness, but newer red pigments are considered more permanent and reliable.
Toxicity
Known also as D&C Red No 36, PR4 is used in cosmetic products such as lipsticks. It has been tested for carcinogenic and mutagenic effects in laboratory rats.
History
Because it is inexpensive and has a long history of use in cosmetic products, Permanent Red PR4 is widely used in artist materials where safety is more important than archival preservation, as in children's art materials.
Safety Data Sheet
UPC Code: 3167862900187
ASIN #: B005IW0XCK