Holbein Artists' Soft Pastel - Old Gray Rose 1

Item #:21947-3310
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Old Gray Rose 1
Old Gray Rose 1
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AP Non-Toxic.

Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.

Product Details

Color:
Old Gray Rose 1
Description:
Artists' Soft Pastel
No.
15
Mfg #:
1570-15

Pigment Information

This color contains the following pigments:

PBk11-Mars Black

PR146-Naphthol Red

PO34-Diarylide Orange


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

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

PO34-Diarylide Orange

Pigment Type

organic, disazo

Chemical Formula

Properties

Diarylide Orange is a bright, reddish orange.

Permanence

Toxicity

History

Diarylide Orange has been widely used in printing inks, plastics, emulsions, coatings,  and textile printing.


Safety Data Sheet

UPC Code: 4938331290158

ASIN #: B005IGBG5E