Menadione
Synonyms
Vitamin K3;
1,4-Naphthalenedione, 2-methyl-;
1,4-Naphthoquinone, 2-methyl-;
Category
Non-ionic surfactant
> Ketone
>> Quinone and its Derivatives
Chemical Numbering System
CAS: 58-27-5
EINECS: 200-372-6
Molecular Formula & Molecular Weight
Molecular Formula: C11H8O2
Molecular Weight: 172.18
Structure
Properties
Appearance (1), solid.
Solubility slightly soluble in water.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
chicken intraperitoneal LDLo |
100mg/kg[1] |
|
mouse intraperitoneal LD50 |
50mg/kg[1] |
|
mouse oral LD50 |
500mg/kg[1] |
|
mouse subcutaneous LD50 |
138mg/kg[1] |
|
rabbit oral LDLo |
230mg/kg[1] |
|
rat intraperitoneal LD50 |
75mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent emulsifying, dispersing abilities. Coagulation function.
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.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as micronutrient.
2, Personal care products
Masking agent in personal care products.
Manufacturers
References
[1]: ChemIDplus. 58-27-5, Menadione
Update: 20190804(1);