SAAPedia Home
logo

Dimethyl isophthalate, 1,4-butanediol, dimethyl terephthalate, polytetramethylene glycol polymer

Time: 2015-08-22 15:22:20; Count: 10

Dimethyl isophthalate, 1,4-butanediol, dimethyl terephthalate, polytetramethylene glycol polymer

Synonyms

1,3-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol, dimethyl 1,4-benzenedicarboxylate and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl);

Category

Polymer Surfactant

> Polyester

Chemical Numbering System

CASRN: 9086-55-9

EINECS: N/A

Molecular Formula & Molecular Weight

Molecular Formula: N/A

Molecular Weight: N/A

Structure

 

Properties

Appearance    (1), solid; or liquid.

Solubility    insoluble in water.

Stability    stable. Under strong acid or strong alkali condition, easily hydrolyzed.

Risk    Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.

GHS (Rev.10) label:  

Ecology    may be hazardous to environment. Water body should be given special attention.

Biodegradability    biodegradable.

Characteristics    excellent film-forming, dispersing, lubricating, adsorbing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Liquid / Solid

Actives, %, ≥

30.0 / 95.0

Test Methods

(1), Actives

GB/T 13173 Surface active agents -- Detergents -- Testing methods

2, Hazardous substances indexes

Item

Hazardous substances indexes

Liquid / 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.

Major Uses

1, Typical applications

Use as film-forming agent.

Use as non-metallic material.

Use as adhesive.

Manufacturers

 

Update: 20200925(1);

Article

[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