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TBHQ

Time:2013-09-08 07:53:31; Reading: 10

TBHQ

Synonyms

Tertiary butylhydroquinone;

2-(1,1-Dimethylethyl)-1,4-benzenediol;

2-tert-Butylhydroquinone;

Hydroquinone, tert-butyl-;

Category

Non-ionic surfactant

> Phenol

>> Hydrocarbyl Phenol

Chemical Numbering System

CASRN: 1948-33-0

EINECS: 217-752-2

Molecular Formula & Molecular Weight

Molecular Formula: C10H14O2

Molecular Weight: 166.22

Structure

Properties

Appearance    (1), solid.

Solubility    slightly soluble in water.

Stability    stable. Easily oxidized.

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:  

Animal Toxicity

Table 1 Animal toxicity values

guinea pig oral LD50

790mg/kg[1]

mouse intraperitoneal LD50

144mg/kg[1]

mouse oral LD50

1000mg/kg[1]

rat inhalation LCLo

2900mg/m3/4H[1]

rat intraperitoneal LD50

300mg/kg[1]

rat oral LD50

700mg/kg[1]

Reproductive effect[1].

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

Biodegradability    biodegradable.

Characteristics    excellent anti-oxidizing, dispersing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Solid

Actives, %, ≥

95.0

Test Methods

(1), Actives

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

2, Hazardous substances indexes

Item

Hazardous substances indexes

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, Product standards

(1), Chinese standards

(1a), GB 26403 Food additive -- Tertiary butylhydroquinone

4, Further explanation

(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.

(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.

Major Uses

1, Typical applications

Use as antioxidant.

2, Personal care products

Antioxidant,masking agent in personal care products.

3, Food

Use as food additive (antioxidant).

Manufacturers

 

References

[1]: ChemIDplus. 1948-33-0, t-Butylhydroquinone

Update: 20190908(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