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Pigment Red 21 (6410-26-0) Scarlet Red

Pigment Red 21 (6410-26-0)

Product Description:

Physical and Chemical Parameters of Pigment Red 21
Parameter Value
Product Name: Scarlet Red
Color Index: Pigment Red 21
C.I.NO.: 12300
Chemical Nature: Monoazo
CAS No.: 6410-26-0
Chemical Formulation:

C23H16ClN3O2

Physical Data:

Appearance 

Red Powder 

Density (g/cm3)

1.5

Moisture (%)

≤1.5

Water Soluble Matter (%)

≤1.5 

Oil Absorption (g/100g)

35-45

Fineness (80mesh dry method) %

≤5.0 

PH Value

6.0-7.0

Conductivity (us/cm)

≤500 

Fastness Properties (5=excellent, 1=poor):

Bleeding Resistance

4

Migration Resistance

-

Light Fastness (8=excellent)

5-6

Heat Resistance ℃ 

150

Acid Resistance 

4

Alkali Resistance 

4

Product Features:

Scarlet Red is a strong yellow-shade red pigment with high covering.

Recommended Application:

Industrial Paint and Water Base Inks.
TDS download(PDF)