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Furfural

Time:2013-08-26 02:05:15; Reading: 8

Furfural

Synonyms

2-Furaldehyde;

2-Furancarboxaldehyde;

FEMA No. 2489;

Category

Non-ionic surfactant

> Aldehyde

Chemical Numbering System

CASRN: 98-01-1

EINECS: 202-627-7

Molecular Formula & Molecular Weight

Molecular Formula: C5H4O2

Molecular Weight: 96.08

Structure

Properties

Appearance    (1), liquid.

Odor    almond-like odor.

Solubility    soluble in water.

Stability    stable. Easily oxidized.

Risk    Liquid 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

dog inhalation LC50

370ppm/6H[1]

dog intravenous LD50

250mg/kg[1]

dog oral LD50

950mg/kg[1]

dog subcutaneous LD50

214mg/kg[1]

frog parenteral LDLo

23000mg/kg[1]

guinea pig oral LD50

541mg/kg[1]

guinea pig subcutaneous LDLo

100mg/kg[1]

mouse inhalation LCLo

370ppm/6H[1]

mouse intraperitoneal LD50

102mg/kg[1]

mouse intravenous LD50

152mg/kg[1]

mouse oral LD50

400mg/kg[1]

mouse subcutaneous LD50

119mg/kg[1]

rabbit intramuscular LD50

78mg/kg[1]

rabbit oral LDLo

800mg/kg[1]

rabbit skin LDLo

620mg/kg[1]

rabbit subcutaneous LDLo

500mg/kg[1]

rat inhalation LC50

175ppm/6H[1]

rat intraperitoneal LD50

20mg/kg[1]

rat oral LD50

65mg/kg[1]

rat subcutaneous LD50

148mg/kg[1]

Overall carcinogenic evaluation: Group 3[1].

Human Toxicity

Table 2 Human toxicity values

human oral TCLo

0.31mg/m3[1]

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

Biodegradability    biodegradable.

Characteristics    excellent cleansing, masking, dispersing abilities.

Synthesis

 

Quality Standards & Test Methods

1, Physical and chemical indexes

Item

Physical and chemical indexes

Liquid

Actives, %, ≥

95.0

Test Methods

(1), Actives

 

2, Hazardous substances indexes

Item

Hazardous substances indexes

Liquid

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/T 1926.1 Technical furfural

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 solvent.

2, Personal care products

Solvent in personal care products.

3, Food

Use as food additive (perfume).

4, organic synthesis

Use as intermediate in organic synthesis.

Manufacturers

 

References

[1]: ChemIDplus. 98-01-1, Furfural

Update: 20190520(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