Schmincke Soft Pastel - Madder Lake 045B

Item #:20076-3611
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Madder Lake B
Madder Lake B

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Product Details

Color:
Madder Lake B
Mfg #:
17045068
No.
045B

Pigment Information

This color contains the following pigments:

PBk11-Mars Black

PR202-Quinacridone Magenta

PR3-Toluidine Red

PR187-Naphthol Red 187

PR146-Naphthol Red

PR112-Naphthol Red AS-D


Pigment Name

PBk11-Mars Black

Pigment Type

earth

Chemical Name

iron oxides

Chemical Formula

FeO or Fe2O3

Properties

Mars Black is an opaque black with a strong and cool masstone, a slightly warm tint, and a warm brown undertone. It is not as black as Ivory Black, but it dries more quickly and has three times the tinting strength. Mars Black is normally the only black available in acrylic form and that is safe to over paint. It can be used in all media without reservation and is widely used as an alternative to Lamp Black and Ivory Black.

Permanence

Mars Black is very lightfast with excellent permanence.

Toxicity

Mars Black has no significant hazards and is the only major black pigment considered non-toxic.

History

The word Mars refers to the Roman god of iron and war. Mars Black was developed in the early 20th century from inorganic, synthetic iron oxide.


Pigment Name

PR202-Quinacridone Magenta

Pigment Type

organic, dichloroquinacridone

Chemical Formula

Properties

PR202 has a bluish red color, but is more yellow than Quinacridone Red (PR122), which is the modern favorite for Magenta in CMYK (four color) process printing.

Permanence

Although it is not the most famous magenta in the quinacridone family of pigments, PR202 belongs to a related class chemically, and is thus relatively stable and permanent for a bluish red pigment. It is one of the pigments often used in inks and toners for process printing.

Toxicity

Quinacridone Magenta has no acute hazards. Overexposure to quinacridone pigments may cause skin irritation. Quinicridone pigments contain a compound found to be a skin, eye, and respiratory irritant.

History

PR202 has been widely used as an automotive paint. Other applications include packaging, printing inks, and textiles.


Pigment Name

PR3-Toluidine Red

Pigment Type

organic, monoazo

Chemical Formula

Properties

Toluidine Red is a semi-opaque, yellowish red pigment with high tinting strength. .

Permanence

Toluidine Red has very good lightfastness.

Toxicity

Toluidine Red is not regarded as toxic.

History

Toluidine Red or Toluidine Scarlet has been used in inks, textiles, artist materials, and plastics.


Pigment Name

PR187-Naphthol Red 187

Pigment Type

organic, monoazo

Chemical Formula

CONHC6H4-(p)CONH2

Properties

Pigment Red PR187 is a transparent red with a bluish tone, part of the Naphthol AS family of red pigments.

Permanence

Pigment Red PR187 has excellent lightfastness and weather fastness in most applications.

Toxicity

Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.

History

Pigment Red PR187 is one of the most widely used synthetic red pigments. It has been used to color latex, plastics, paints, resins, and printing inks. Because it is somewhat transparent, it has sometimes been used in metallic automotive finishes.


Pigment Name

PR146-Naphthol Red

Pigment Type

Chemical Formula

C33H27ClN4O6

Properties

Permanence

Naphthol Reds vary widely in lightfastness. This Naphthol Red (PR146) has fair to poor permanence and always fades in tints. It is not suitable for outdoor use.

Toxicity

Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.

History

Unknown.


Pigment Name

PR112-Naphthol Red AS-D

Pigment Type

organic, monoazo

Chemical Formula

C24H16Cl3N3O2

Properties

This Naphthol Red is an intense scarlet red pigment that is heavily staining. It has an average drying time. It is semi-transparent and has relatively poor covering power.

Permanence

This Naphthol Red has been rated as having excellent lightfastness under ASTM testing, but other testing methods have demonstrated some tendancy for the color to fade with exposure to strong ultraviolet light. It has been considered a replacement for less lightfast naphthol reds such as PR3. Not suitable for exterior use.

Toxicity

Naphthol Reds are not considered toxic. Naphthol Red AS-D may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.

History

Unknown.


Safety Data Sheet

UPC Code: 4012380016126

ASIN #: B001E6EFEG