Chrome Yellow PY 34 (Lead Chromate)
CAS 1344-37-2
In StockMOQ
25 kg
Lead Time
7–14 days
Packaging
25 kg closed fibre drums
Specifications
| Density | 5.5–6.3 g/cm³ |
| Appearance | yellow to orange-yellow powder |
| Color Index | PY 34 |
| Lightfastness | 7–8 (ISO 105-B02) |
| Heat Stability | 220°C |
| Oil Absorption | 10–20 g/100g |
| Regulatory Note | Contains Pb & Cr(VI) — SVHC; use REACH authorisation required in EU |
| Chemical Composition | PbCrO₄ (pure chrome yellow) / PbCrO₄·PbSO₄ (lemon chrome) |
FAQ
PY 34 lead chromate is listed on REACH Annex XIV (SVHC). Its industrial use requires prior authorisation from ECHA. Many EU formulators have switched to bismuth vanadate (PY 184) or organic yellows for regulatory compliance.
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