Benzenemethanol
Synonyms
Benzyl alcohol;
FEMA No. 2137;
Category
Non-ionic surfactant
> Alcohol
>> Aromatic Alcohol
Chemical Numbering System
CAS: 100-51-6
EINECS: 202-859-9
Molecular Formula & Molecular Weight
Molecular Formula: C7H8O
Molecular Weight: 108.14
Structure
Properties
Appearance (1), colorless to pale yellow liquid.
Odor faint aromatic odor.
Solubility soluble in water.
Physical - chemical properties
|
Water solubility, g/L |
42.9 (25°C)[1] |
Stability stable.
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 label: 
Animal Toxicity
Table 1 Animal toxicity values
|
cat intravenous LDLo |
625mg/kg[2] |
|
cat skin LDLo |
10000mg/kg[2] |
|
dog intravenous LDLo |
50mg/kg[2] |
|
dog parenteral LDLo |
9mg/kg[2] |
|
guinea pig oral LD50 |
2500mg/kg[2] |
|
mouse intraperitoneal LD50 |
650mg/kg[2] |
|
mouse intravenous LD50 |
324mg/kg[2] |
|
mouse oral LD50 |
1360mg/kg[2] |
|
rabbit oral LD50 |
1040mg/kg[2] |
|
rabbit skin LD50 |
2000mg/kg[2] |
|
rat inhalation LCLo |
1000ppm/8H[2] |
|
rat intraarterial LD50 |
441mg/kg[2] |
|
rat intraperitoneal LD50 |
400mg/kg[2] |
|
rat intravenous LD50 |
53mg/kg[2] |
|
rat oral LD50 |
1230mg/kg[2] |
|
rat subcutaneous LDLo |
1700mg/kg[2] |
Reproductive effect (negative)[1].
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent antibacterial, preservative, cleansing, dispersing, solubilizing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Liquid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
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 1886.135 Food safety national standard -- Food additive -- Benzyl alcohol
(1b), QB/T 2542 Benzyl alcohol
(1c), Chinese Pharmacopoeia (2015 Edition) Benzyl alcohol
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.
Use as preservative.
Use as fragrance, fixative agent.
Use as viscosity reducing agent.
Use as intermediate in organic synthesis. For example, used in polyester, plasticizers, pharmaceuticals, dyes, surface active agents, esters, resins.
2, Personal care products
Preservative, perfume, solvent, viscosity controlling agent in personal care products.
Further information:
(1), (1a), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the allowed preservatives. Maximum concentration is 1.0%.
(1b), In accordance with Safety and Technical Standards for Cosmetics (2015 Edition) of China, be included in the restricted components.
(2), (2a), In accordance with EU regulations (EC) No 344/2013, directive 86/199/EEC, be included in Annex V/34. Maximum concentration is 1.0%.
(2b), In accordance with EU regulations (EC) No 344/2013, be included in Annex III/45.
3, Food
Use as food additive (perfume).
4, Medicine
Pharmaceutical excipient, use as bacteriostat.
5, Industrial cleaning
Cleansing agent, paint remover in industrial cleaning.
Manufacturers
References
[1]: ChemIDplus. 100-51-6, Benzyl alcohol
Update: 20130920(1); 20190922(2)