Papain
Synonyms
EC 3.4.22.2;
Category
Special Surfactant
> Enzyme
Chemical Numbering System
CASRN:9001-73-4
EINECS:232-627-2
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 (Rev.10) label:
Animal Toxicity
Table 1 Animal toxicity values
mouse oral LD50 |
12500mg/kg[1] |
mouse intraperitoneal LDLo |
50mg/kg[1 |
rat oral LD50 |
> 4000mg/kg[1] |
Reproductive effect[1].
Human Toxicity
Table 2 Human toxicity values
man oral TDLo |
71mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent catalytic ability.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
Item |
Physical and chemical indexes |
Enzyme activity, U, ≥ |
|
Test Methods
(1), Enzyme activity
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, antistatic agent in personal care products.
Manufacturers
References
[1]: ChemIDplus. 9001-73-4, Papain
Update: 20180815(1);