C.I. Pigment Red 49, calcium salt (2:1)
Time: 2015-09-03 22:27:44
C.I. Pigment Red 49, calcium salt (2:1)
Synonyms
C.I. Pigment Red 49:2;
1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, calcium salt (2:1);
Category
Anionic Surfactant
>> Sulfonate
>> Azo Sulfonate
>> Azo Dye
Chemical Numbering System
CASRN1103-39-5
EINECS214-161-1
Molecular Formula & Molecular Weight
Molecular Formula: C40H26CaN4O8S2; C40H28N4O8S2.Ca
Molecular Weight: 794.86
Structure
Properties
Appearance    (1), solid.
Solubility    insoluble in water.
Stability    stable.
Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS (Rev.6) label:  
Ecology    may be hazardous to environment. Water body should be given special attention.
Biodegradability    biodegradable.
Characteristics    excellent masking, dispersing abilities.
Synthesis
 
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Solid
Actives, %, ≥
85.0
Test Methods
(1), Actives
 
2. Hazardous substances indexes
Item
Hazardous substances indexes
Solid
Heavy metals (as Pb), mg/Kg, ≤
20
As, mg/Kg, ≤
3
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic
3. Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1. Typical Applications
Use as pigment, such as printing inks, paints, polymers.
Use as dye.
Manufacturers
 
Update: 20171208(1);