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Composition & Permanence

The table below provides technical information on the composition, permanence and characteristics of Cotman Water Colour. For further information on what each heading means and how it can improve your painting, click on it.

Code  Colour Name Series  Permanence  ASTM  T/O  G/St  Chemical Description CI Name  CI Number
003 Alizarin Crimson Hue 1 A - T - Quinacridone pyrrolidine, Quinacridone - , PR206 - , 73900/73920
074 Burnt Sienna 1 AA I T - Synthetic iron oxide PR101 77491
076 Burnt Umber 1 AA I O - Synthetic iron oxide, Calcined natural iron oxide PY42, PBr7 77492, 77491
089 Cadmium Orange (USA/Canada only) 2 A(ii) I O - Cadmium sulphoselenide, Cadmium zinc sulphide PR108, PY35 77202, 77205
090 Cadmium Orange Hue 1 A - T - Diarylide yellow, Perinone orange PY83, PO43 21108, 71105
094 Cadmium Red (USA/Canada only) 2 A I O - Cadmium sulphoselenide PR108 77202
095 Cadmium Red Hue 1 A - T St Perylene, Pyrrole PR149, PR255 71137, 561050
098 Cadmium Red Deep Hue 1 A - T St Naphthol AS, Pyrrole PR188, PR254 12467, -
100 Cadmium Red Light (USA/Canada only) 2 A I O - Cadmium sulphoselenide PR108 77202
103 Cadmium Red Pale Hue 1 A II T St Arylide yellow RN, Pyrrole PY65, PY255 11740, 561050
108 Cadmium Yellow (USA/Canada only 2 A (ii) I O - Cadmium zinc sulphide, Cadmium sulphoselenide PY35, PO20 77205, 77199
109 Cadmium Yellow Hue 1 A II T St Arylide yellow FGL, Arylide yellow RN PY97, PY65 11767, 11740
113 Cadmium Yellow Light (USA/Canada only) 2 A (ii) I O - Cadmium zinc sulphide PY35 77205
119 Cadmium Yellow Pale Hue 1 A - T St Arylide yellow RN, Benzimidazolone yellow H6G PY65, PY175 11740, 11784
137 Cerulean Blue (USA/Canada only) 2 AA I O - Cobalt stannate PB35 77368
139 Cerulean Blue Hue 1 A II O - Copper phthalocyanine PB15 74160
150 Chinese White 1 AA I O - Zinc oxide PW4 77947
178 Cobalt Blue (USA/Canada only) 2 AA I O - Cobalt aluminate PB28 77346
179 Cobalt Blue Hue 1 A(iii) I T - Complex sodium alumino-silicate containing sulphur, Coprecipitated zinc sulphide/ barium sulphate PB29, PW5 77007, 77115
192 Cobalt Violet USA/Canada only) 2 AA I T - Cobalt phosphate PV14 77360
231 Dioxazine Violet 1 A - T St Dioxazine violet PV23 51319
235 Emerald 1 A - O - Chlorinated copper phthalocyanine, Benzimidazolone yellow H6G PG7, PY175 74260, 11784
266 Gamboge Hue 1 A II T - Nickel dioxine PY153 48545
312 Hooker’s Green Dark 1 A - T St Copper phthalocyanine, Chlorinated copper phthalocyanine, Quinacridone PB15, PG7, PO49 74160, 74250, 73900
314 Hooker’s Green Light 1 A - T St Copper phthalocyanine, Quinacridone, Chlorinated copper phthalocyanine PB15, PO49, PG7 74160, 73900, 74260
317 Indian Red 1 AA I O - Synthetic iron oxide PR101 77491
322 Indigo 1 A II O - Copper phthalocyanine, Carbon black, Complex sodium alumino-silicate containing sulphur PB15, PBk7, PB29 74160, 77266, 77007
327 Intense Blue 1 A II T St Copper phthalocyanine PB15 74160
329 Intense Green 1 A I T St Brominated copper phthalocyanine PG36 74265
331 Ivory Black 1 AA I O - Bone black PBk9 77267
337 Lamp Black 1 AA I O - Carbon black, Carbon black PBk7, PBk6 77266, 77266
346 Lemon Yellow Hue 1 A - T - Benzimidazolone yellow H6G PY175 11784
347 Lemon Yellow Nickel Titanate (USA/Canada only) 2 AA I O - Nickel titanate PY53 77788
362 Light Red 1 AA I O - Synthetic iron oxide PR101 77491
398 Mauve 1 A - T - Quinacridone, Carbazole dioxazine PR122, PV23 73915, 5319
465 Payne’s Gray 1 A - T - Complex sodium alumino-silicate containing sulphur, Carbon black, Copper phthalocyanine PB29, PBk7, PB15 77007, 77266, 74160
502 Permanent Rose 1 A I T St Quinacridone violet PV19 46500
538 Prussian Blue 1 A(iv) I T - Alkali ferriferrocyanide PB27 77510
544 Purple Lake 1 A I T St Quinacridone PV19 46500
552 Raw Sienna 1 AA I T - Synthetic iron oxide, Synthetic iron oxide PY42, PR101 77492, 77491
554 Raw Umber 1 AA I T - Natural iron oxide, Synthetic iron oxide PBr7, PY42 77492, 77492
580 Rose Madder Hue 1 A - T - Quinacridone pyrrolidone, Quinacridone - , PR206 - , -
599 Sap Green 1 A - T St Brominated copper phthalocyanine, Quinacridone PG36, PO49 74265, 73900
609 Sepia 1 AA I T - Calcined natural iron oxide PBr7, PBk7 77491, 77266
654 Turquoise 1 A II O - Copper phthalocyanine, Chlorinated copper phthalocyanine PB15, PG7 74160, 74260
660 Ultramarine 1 A(iii) I T G Complex sodium alumino-silicate containing sulphur PB29 77007
676 Vandyke Brown 1 AA I O - Synthetic iron oxide, Calcined natural iron oxide PR101, PBr7 77491, 77491
692 Viridian (USA/Canada only) 2 AA I T - Hydrated chromium oxide PG18 77289
696 Viridian Hue 1 A I T St Chlorinated copper phthalocyanine PG7 74260
744 Yellow Ochre 1 AA I O - Synthetic iron oxide PY42 77492

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