Product details

n-Butanol is an alcohol with a 4-carbon structure. This chemical is an intermediate product of the fementation of sugars and other carbohydridrates.

CAS-No. 71-36-3
EINECS-No. 200-751-6
Chemical formula: C4H10O

Synonyms: Butan-1-ol | butyl alcohol  | Butalcohol | Butanol | 1-Butanol | Butyl alcohol | Butyl hydrate | Butylic alcohol | Butyralcohol | Butyric alcohol | Butyryl alcohol | n-Butyl alcohol | 1-Hydroxybutane | n-Propylcarbinol
Uses/applications: Solvents


arrow Specifications GENERAL

MSDS according 91/155 EEC (2001/58 EC)


More information

Information pertaining to particular dangers for man and environment:
R 10 Flammable.
R 22 Harmful if swallowed.
R 37/38 Irritating to respiratory system and skin.
R 41 Risk of serious damage to eyes.
R 67 Vapours may cause drowsiness and dizziness.

Classification system for n-Butanol:
The classification was made according to the latest editions of the EU-lists, and expanded using company data and specialized literature.
Chemical characterization for n-Butanol, butyl alcohol or biobutanol:
CAS No. Description: 71-36-3 butan-1-ol

Identification number(s):
EINECS Number: 200-751-6
EU Number:
General Information
for n-Butanol, butyl alcohol or biobutanol
Form: Fluid
Colour: Colourless
Odour: Alcohol-like

Change in condition
Melting point/Melting range: -89°C
Boiling point/Boiling range:
Flash point:
Ignition temperature: 340°C
Danger of explosion: Product is not explosive. However, formation of explosive
air/vapour mixtures are possible.

Explosion limits:
Lower: 1.5 Vol %
Upper: 9.4 Vol %
Vapour pressure at 20°C: 6.7 hPa
Density at 20°C:
0.81 g/cm3

Solubility in / Miscibility with


77 g/l
pH-value (70 g/l) at 20°C: 7
Segregation coefficient (n-octanol/water): 0.88 log POW
Viscosity: dynamic at 20°C: 2.95 mPas
Land transport ADR/RID (cross-border)for n-Butanol:
ADR/RID class: 3 (F1) Flammable liquids.
Danger code (Kemler): 30
UN-Number: 1120
Packaging group: III
Label: 3
Description of goods: 1120 BUTANOLS
Limited quantities (LQ) LQ7
Remarks: Limited quantity: 5l per inner packaging, 30 kg gross per packaging unit
Maritime transport IMDG:
IMDG Class: 3
UN Number: 1120
Label: 3
Packaging group:: III
EMS-Number: F-E,S-D
Marine pollutant: No
Proper shipping name: BUTANOLS
Lufttransport ICAO-TI und IATA-DGR:
ICAO/IATA Class: 3
UN Number: 1120
Label: 3
Packaging group:: III
Proper shipping name: BUTANOLS
Remarks: Packing Instructions:
For Limited Quantities: Y309 (Max Net Qty/Pkg: 10 l)
Passenger and Cargo Aircraft: 309 (Max Net Qty/Pkg: 60 l)
Cargo Aircraft only: 310(Max Net Qty/Pkg: 220 l)
Markings according to EC guidelines for n-Butanol:
The product has been classified and marked in accordance with
EU Directives / Ordinance on Hazardous Materials

Risk phrases:
10 Flammable.
22 Harmful if swallowed.
37/38 Irritating to respiratory system and skin.
41 Risk of serious damage to eyes.
67 Vapours may cause drowsiness and dizziness.

Safety phrases:
7/9 Keep container tightly closed and in a well-ventilated place.
13 Keep away from food, drink and animal feedingstuffs.
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
37/39 Wear suitable gloves and eye/face protection.
46 If swallowed, seek medical advice immediately and show this container or label.

National regulations:

Information about limitation of use:

Employment restrictions concerning pregnant and lactating women must be observed.
Restrictions on juvenile employment must be observed

Technical guidance (air):
Class   Share  in %
NK        100.0

Water hazard class: Water hazard class 1 (Assessment by list): slightly hazardous for water.

Hazard description


GHS-hazard labels

Hazadous material sign

Xi Irritant