CAS No.57455-37-4  
HS Code: 32064100

Type-------------------------Ultramarine blue  29
Molecular formula-------Na6Al4Si6S4O20
C.I.Name-------------------Pigment Blue 29
Object  form---------------Powder shape
CAS--------------------------57455.37.5
Water dissolves thing---<=0.2%
Physical appearance 
Coloured light---------------Blueish
Moisture conten105±2---<=1%
Attract oil amounts-------30-40cc/100g
P H---------------------------7.5-9.0
Free  sulfur-----------------<=0.05%
Characteristic property 
Heat resistance----------->300 0
resistance to elements---8 Level
Disperse--------------------Good
Cover------------------------High
Put colour force-----------100%(+/-2%)

Applicability 
Ultramarine Blue Used in tinting applications of blue paint, rubber, plastic printing, ink, paper, papermaking, soap, and beautification on ancient architecture
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