N-Methyl-4-methoxynaphthalimide
Synonyms
C.I. 56190;
1H-Benz[de]isoquinoline-1,3(2H)-dione, 6-methoxy-2-methyl-;
C.I. Fluorescent Brightener 162;
Category
Non-ionic surfactant
> Imide
>> Imide (Ring Structure)
Chemical Numbering System
CAS: 3271-05-4
EINECS: 221-895-6
Molecular Formula & Molecular Weight
Molecular Formula: C14H11NO3; C14H11N1O3
Molecular Weight: 241.24
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble 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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LD50 |
7700mg/kg[1] |
|
rat oral LDLo |
15000mg/kg[1] |
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, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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 fluorescent brightener.
Manufacturers
References
[1]: ChemIDplus. 3271-05-4, N-Methyl-4-methoxynaphthalimide
Update: 20190811(1);