Butyl alcohol
Synonyms
1-Butanol;
Butanol;
n-Butanol;
FEMA No. 2178;
Category
Non-ionic surfactant
> Alcohol
>> Fatty Alcohol
Chemical Numbering System
CAS: 71-36-3
EINECS: 200-751-6
Molecular Formula & Molecular Weight
Molecular Formula: C4H10O
Molecular Weight: 74.12
Structure
Properties
Appearance (1), colorless to slightly yellow liquid.
Odor characteristic odor.
Solubility soluble in water.
Physical - chemical properties
|
Water solubility, g/L |
68 (25°C)[1] 63.2 (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 |
243mg/kg[2] |
|
dog oral LDLo |
1760mg/kg[2] |
|
dog subcutaneous LDLo |
2000mg/kg[2] |
|
mouse intraperitoneal LD50 |
254mg/kg[2] |
|
mouse oral LD50 |
2680mg/kg[2] |
|
mouse intravenous LD50 |
377mg/kg[2] |
|
mouse subcutaneous LD50 |
3200mg/kg[2] |
|
rabbit oral LD50 |
3484mg/kg[2] |
|
rabbit skin LD50 |
3400mg/kg[2] |
|
rat inhalation LC50 |
8000ppm/4H[2] |
|
rat oral LD50 |
790mg/kg[2] |
|
rat intravenous LD50 |
310mg/kg[2] |
|
rat intraperitoneal LD50 |
1122mg/kg[2] |
Reproductive effect[2].
Human Toxicity
Table 2 Human toxicity values
|
human inhalation TCLo |
25ppm[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent cleansing, 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
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 1886.56 Food safety national standard -- Food additive -- 1-Butanol
(1b), GB 1886.209 Food safety national standard -- Food additive -- n-Butanol
(1c), GB/T 6027 n-Butanol for industrial use
(1d), GB/T 12590 Chemical reagent -- n-Butanol
(1e), HG/T 2926 Food additive -- n-Butanol
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 cleansing agent.
Use as intermediate in organic synthesis. For example, used in polyesters, plasticizers, pharmaceuticals, dyes, surfactants, esters, resins.
2, Personal care products
Denaturing agent, perfume, solvent in personal care products.
3, Industrial cleaning
Use as cleansing agent, paint remover.
4, Food
Use as food additive (perfume), food processing aid (fermentation process).
Manufacturers
References
[1]: HSDB. 71-36-3, n-Butanol
[2]: ChemIDplus. 71-36-3, 1-Butanol
Update: 20130920(1); 20190915(2)