Lithopone

white powder, non-toxic, odorless, insoluble in water, no reaction with H2S and lye, release H2S gas when reacting with strong acids.

Synonyms: C.I. Pigment White 5; Lithopone; C.I. 77115; Pigment White 5; Barium zinc sulfate; Barium zinc sulfide

CAS NO.: 1345-05-7

Molecular Formula: ZnSBaSO4

Item	B301	B311
Total zinc and barium sulphate	≥99.0	≥99.0
zinc sulfide content, %	≥28.0	≥30.0
zinc oxide content, %	≤0.5	≤0.3
Color, compared with standard samples	better	better
Tint reducing power, compared with standard samples	≥105	≥105
105°C volatile matter, %	≤0.3	≤0.3
Water solubles, %	≤0.4	≤0.4
Water suspension PH-value	6.0-8.0	6.0-8.0
Oil absorption, g/ 100g	≤12	≤10
Residue on sieve 63μm, %	≤ 0.1 %	≤ 0.1 %