HomePaint and MediumsOil PaintOld Holland Classic Oil Paints and SetOld Holland Classic Oil Colors - Cobalt Blue, 225 ml tube

Old Holland Classic Oil Colors - Cobalt Blue, 225 ml tube

Item #:00495-5185
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Cobalt Blue
Cobalt Blue
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CL Cautionary Label.

Products bearing the CL seal of the Art & Creative Materials Institute ("Caution Label") contain ingredients that are toxic or hazardous, but when used in properly supervised and controlled conditions, they can be enjoyed with complete safety.

California Proposition 65.California Proposition 65

WARNING: CANCER AND REPRODUCTIVE HARM -- WWW.P65WARNINGS.CA.GOV

Product Details

Color:
Cobalt Blue
Description:
Classic Oil Color
Size:
225 ml (7.6 oz)
No.
250
Mfg #:
13250

Pigment Information

This color contains the following pigments:

PB28-Cobalt Blue


Pigment Name

PB28-Cobalt Blue

Pigment Type

inorganic

Chemical Name

cobalt(II) oxide + aluminum oxide

Chemical Formula

CoO + Al2O3

Properties

Cobalt blue is a semitransparent pigment with low to moderate tinting strength. When it dries, it appears lighter and less saturated. Pigment particles are large and grainy. Differences in how the pigment is ground and mixed lead to considerable differences in its performance among various manufacturers.

Permanence

Cobalt blue is absolutely lightfast and extraordinarily stable. The stability of cobalt salts at high temperatures make them the standard for blues used in ceramics and glassware.

Toxicity

Cobalt salts are toxic. Avoid respiratory and skin contact. Soluble cobalt may cause irritation and allergic reaction through contact with skin. It is considered a possible carcinogen.

History

Since ancient times, smalt blue has been used to color glass and ceramics. Cobalt salts, which give smalt its characteristic blue color, were identified in the 18th century. Techniques for manufacturing Cobalt Blue, a chemically pure salt of cobalt and aluminum oxide, were developed in 1802.


Safety Data Sheet

UPC Code: 8715046132500

ASIN #: B005SBG9FG