Pigment Yellow 34

CAS NO.：1344-37-2
Empirical Formula: PbCrO4+PbSO4
Molecular Weight: 576.07
MDL number: MFCD01940093
EINECS: 215-693-7
SAFETY DATA SHEET (SDS)
Update Date: 2023-05-04 17:34:33

What is Pigment Yellow 34?

Description

Lead chromate, also known as chrome yellow, has been used for centuries as a pigment, but it is highly toxic, containing lead and hexavalent chromium (think?Erin Brockovich). Chrome yellow is no longer used in house paint, but it is still used in marine and industrial paints, as well as to add color to plastics such as PVC, polyethylene, and polyesters.

The Uses of Pigment Yellow 34

Pigment Yellow 34 is a pigment used in camouflage oriented combinations as well as car paints and textiles.

Definition

ChEBI: Lead chromate is a chromium coordination entity comprising chromate and lead(2+) ions in a 1:1 ratio It has a role as a carcinogenic agent, a neurotoxin and a nephrotoxin. It is a lead coordination entity and a chromium coordination entity. It contains a lead(2+) and a chromate(2-).

Flammability and Explosibility

Non flammable

Properties and Applications

TEST ITEMS	SPECIFICATION
APPEARANCE	DEEP YELLOW POWDER
SHADE	REDDISH
HEAT RESISTANCE	140 °C min
LIGHT FASTNESS	7
ACID RESISTANCE	5
ALKALI RESISTANCE	5
FASTNESS TO BLEEDING	5
OIL ABSORPTION	20-25%
SPECIFIC GRAVITY	0.6
DENSITY	5.60 g/cm ³
RESIDUE ON 80 MESH	5.0% max
WATER SOLUBLE	1.0% max
VOLATITE 105 °C	1.0% max
TINTING STRENGTH	100-105 %

Properties of Pigment Yellow 34

Density	6[at 20℃]
Water Solubility	36.8μg/L at 20℃
Solubility Product Constant (Ksp)	pKsp: 12.55
CAS DataBase Reference	1344-37-2(CAS DataBase Reference)
EPA Substance Registry System	C.I. Pigment Yellow 34 (1344-37-2)