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Chromes/77600 - 77603

Middle Chrome

Reddish (middle) yellow. Chrome Yellow (lead sulfochromate).

Colour Index No.
77600 - 77603
CAS No.
1344-37-2
Chemical type
Chrome Yellow
Chemical name
Lead sulfochromate yellow
EINECS No.
215-693-7
Molecular formula
PbCrO4 + PbSO4
Molecular weight
576.07

Suitable for

  • Plastic
  • Masterbatch
  • Paint

Physical properties

Sieve residue
Max. 1000 ppm
Oil absorption
20–35 g
Bulk density
100 g/100 ml
Salt content
Max. 1%
Moisture content
Max. 1%
pH value
5-6
Colour strength
± 5%
Colour difference
DA, DB, DE, DC, DH, DL: ± 1

Fastness properties

Mass tone 1% · Tint 1:1 · Heat: ΔE ≤ 3, 5 min
Heat, PP mass tone300 °C / 5 min
Heat, PP tint tone300 °C / 5 min
Light, mass tone7 / 8
Light, tint tone- / 8
Weather, mass tone- / 5
Weather, tint tone- / 5
Migration5 / 5