Protease
Synonyms
Proteinase;
Category
Special Surfactant
> Enzyme
Chemical Numbering System
CAS: 9001-92-7
EINECS: 232-642-4
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: 
Animal Toxicity
Table 1 Animal toxicity values
|
mouse intraperitoneal LD50 |
45mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent catalytic, cleansing abilities.
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 23527 Proteinase preparations
GB/T 28715 Determination of acidic and neutral protease activity in feed additives -- Spetrophotometric method
QB 1806 Alkali Proteinase for Detergent
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, Product standards
(1), Chinese standards
(1a), GB/T 23527 Proteinase preparations
(1b), QB 1806 Alkali Proteinase for Detergent
4, 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.
Use as cleansing agent.
2, Personal care products
Conditioning agent in personal care products.
3, Household detergents
Use as cleansing agent.
4, Food
Use as food additive.
5, Feed
Use as feed additive.
Manufacturers
References
[1]: ChemIDplus. 9001-92-7, Protease
Update: 20180815(1);