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Hydroxysteroid oxidoreductase

Time:2013-08-06 02:28:59; Reading: 9

Hydroxysteroid oxidoreductase

Synonyms

Dehydrogenase, 3alpha-hydroxy steroid;

Category

Special Surfactant

> Enzyme

Chemical Numbering System

CASRN:9028-56-2

EINECS:232-839-5

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: 

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 in personal care products.

Manufacturers

 

Update: 20180815(1);

Document

[Terminology] Dispersion system

[Terminology] Vesicle

Pandect of Ester surfactants (1): Definition

[Terminology] Van Der Waals force

[Terminology] Micellar aggregation number

Standard

Test methods of surfactants, catalog, Chinese national standards

Surfactants, catalog, Chinese national standards

Test methods of materials, catalog, Chinese national standards

Basic standards of materials, catalog, Chinese national standards

Test methods of textile auxiliaries, catalog, Chinese national standards