Deoxyribonuclease
Synonyms
Nuclease, deoxyribo-;
EC 3.1.4.5;
Category
Special Surfactant
> Enzyme
Chemical Numbering System
CAS: 9003-98-9
EINECS: 232-667-0
Molecular Formula & Molecular Weight
Molecular Formula: N/A
Molecular Weight: N/A
Structure
Properties
Appearance (1), solid.
Solubility soluble in water.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent catalytic ability. To catalyze the hydrolysis of DNA by cutting phosphodiester bond.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Enzyme activity, U, ≥ |
|
Test Methods
(1), Enzyme activity
GB/T 34801 Determination of the activity of desoxyribonuclease
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Heavy metals (as Pb), mg/kg, ≤ |
30 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
GB 5009.74 Food safety national standard -- Method for limit test of heavy metals in food additives
GB 5009.12 Food safety national standard -- Determination of lead in foods
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
GB 5009.11 Food safety national standard -- Determination of total arsenic and abio-arsenic in foods
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), Used in cosmetics, should be test for harmful substances; or furtherly test for microorganisms.
Major Uses
1, Typical applications
Use as catalyst.
2, Personal care products
Conditioning agent in personal care products.
Manufacturers
Update: 20180815(1);