Food Red 8
Time: 2022-06-30 21:44:39; Reading: 0

Food Red 8

Synonyms

CI 16290;

Acid Red 41;

1,3,6-Naphthalenetrisulfonic acid, 7-hydroxy-8-((4-sulfo-1-naphthalenyl)azo)-, tetrasodium salt;

Tetrasodium 7-hydroxy-8-((4-sulphonato-1-naphthyl)azo)naphthalene-1,3,6-trisulphonate;

Category

Zwitterionic Surfactant

> Sulfonate Type

>> Azo Dye

Chemical Numbering System

CASRN: 5850-44-2

EINECS: 227-454-4

Molecular Formula & Molecular Weight

Molecular Formula: C20H10N2Na4O13S4; C20H14N2O13S4.4Na

Molecular Weight: 706.52

Structure

Properties

Appearance    (1), solid.

Solubility    soluble in water.

Stability    stable.

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.9) label:  

Animal Toxicity

Table 1 Animal toxicity values

rat intravenous LD50

2500mg/kg[1]

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

Biodegradability    biodegradable.

Characteristics    excellent masking, dyeing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Solid

Actives, %, ≥

85.0

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, 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 dye.

2, Personal care products

Colorant in personal care products.

Further information:

(1), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the allowable colorants.

Can be applied to all kind of products.

(2), In accordance with EU regulations (EC) 2009/1223, directive 88/667/EEC, be included in Annex IV/36.

Manufacturers

 

References

[1]: ChemIDplus. 5850-44-2, C.I. Food Red 8