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Colour Index Code
PY42
Synthetic Yellow Oxide
- Chemistry
- Hydrated iron oxide (Fe₂O₃·H₂O)
- Origin
- Synthetic.
- History
- A permanent, opaque yellow ochre equivalent.
- Toxicity
- Non-toxic.
Synthetic Yellow Oxide (PY42) is Hydrated iron oxide (Fe₂O₃·H₂O). In our watercolour range it is transparent, yes granulation, excellent lightfastness.
- Transparency
- Transparent
- Granulation
- YES
- Staining
- Low
- Lightfastness
- Excellent
PY42: Questions & Answers
What is PY42?
PY42 (Synthetic Yellow Oxide) is Hydrated iron oxide (Fe₂O₃·H₂O). Synthetic..
What is the chemistry of PY42?
PY42 is Hydrated iron oxide (Fe₂O₃·H₂O).
Is PY42 toxic?
Non-toxic.
Is PY42 lightfast?
In the Michael Harding range, colours using PY42 are rated excellent for lightfastness.
Is PY42 transparent or opaque?
PY42 is transparent.
Does PY42 granulate?
In watercolour, PY42 is granulating.
Which Michael Harding colours use PY42?
PY42 appears in 8 Michael Harding colours: Rose Blush, Yellow Ochre, Transparent Oxide Yellow, Paynes Grey, Transparent Oxide Yellow, Yellow Ochre and 2 more.
Michael Harding colours using PY42
8 colours across both rangesLightfastness: ExcellentOil Colours containing PY42
4 coloursNo. 254 Rose Blush
Series 2
Semi-OpaqueAverage
- Pigment
- PW6, PY42, PV19
- Type
- Organic/Inorganic
- Lightfastness
- Excellent
- Oil Content
- Low
- Tint Power
- Average
No. 119 Yellow Ochre
Series 1
Semi-TransparentFastCoolⓋ Vegan
- Pigment
- PY42
- Type
- Inorganic
- Lightfastness
- Excellent
- Oil Content
- Average
- Tint Power
- Average
Watercolours containing PY42
4 colours
No. W130 Transparent Oxide Yellow
Series 1
TransparentWarm
- Pigment
- PY42
- Lightfastness
- Good
- Tint Power
- 2
No. W119 Yellow Ochre
Series 1
Semi-TransparentWarm
- Pigment
- PY42
- Lightfastness
- Excellent
- Tint Power
- 2
| Colour | Medium | Transparency | Lightfastness | Granulation |
|---|---|---|---|---|
| Rose Blush No. 254 | Oil | Semi-Opaque | Excellent | — |
| Yellow Ochre No. 119 | Oil | Semi-Transparent | Excellent | — |
| Transparent Oxide Yellow No. 219 | Oil | Transparent | Excellent | — |
| Paynes Grey No. 127 | Oil | Semi-Opaque | Excellent | — |
| Transparent Oxide Yellow W130 | Watercolour | Transparent | Good | YES |
| Yellow Ochre W119 | Watercolour | Semi-Transparent | Excellent | YES |
| Ochre Havana of France W161 | Watercolour | Semi-Opaque | Excellent | YES |
| Paynes Grey W127 | Watercolour | Semi-Transparent | Excellent | YES |
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