Product Name

  • Name

    (S)-(+)-2-Butanol

  • EINECS 224-168-1
  • CAS No. 4221-99-2
  • Article Data109
  • CAS DataBase
  • Density 0.801 g/cm3
  • Solubility 125 g/L (20 °C) in water
  • Melting Point -114 °C
  • Formula C4H10O
  • Boiling Point 96.6 °C at 760 mmHg
  • Molecular Weight 74.1228
  • Flash Point 26.7 °C
  • Transport Information UN 1120 3/PG 3
  • Appearance Colorless to light yellow liquid
  • Safety 9-13-24-25-26-46-7/9-24/25
  • Risk Codes 10-36/37-67
  • Molecular Structure Molecular Structure of 4221-99-2 ((S)-(+)-2-Butanol)
  • Hazard Symbols IrritantXi
  • Synonyms 2-Butanol,(S)-;sec-Butyl alcohol, (S)-(+)- (8CI);(+)-2-Butanol;(2S)-2-Butanol;(S)-2-Butanol;(S)-sec-Butanol;(S)-sec-Butyl alcohol;L-2-Butanol;
  • PSA 20.23000
  • LogP 0.77720

(S)-(+)-2-Butanol Chemical Properties

Product Name: (S)-Butan-2-ol
CAS Registry Number: 4221-99-2
IUPAC Name: butan-2-ol
Synonyms: EINECS 224-168-1
Molecular Weight: 74.1216 [g/mol]
Molecular Formula: C4H10O
XLogP3: 0.6
H-Bond Donor: 1
H-Bond Acceptor: 1
Melting Point: -114 °C
Surface Tension: 24.3 dyne/cm
Density: 0.801 g/cm3
Flash Point: 26.7 °C
Enthalpy of Vaporization: 40.75 kJ/mol
Boiling Point: 96.6 °C at 760 mmHg
Vapour Pressure: 25.2 mmHg at 25°C
Stability: Stable. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents, halogens.
Product Categories: Alcohols, Hydroxy Esters and Derivatives;Chiral Compounds;chiral;Chiral Compounds (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Chiral Building Blocks;Functional Materials;Simple Alcohols (Chiral);Synthetic Organic Chemistry
Following is the molecular structure of (S)-Butan-2-ol (CAS NO.4221-99-2) is:

(S)-(+)-2-Butanol Safety Profile

Safty information about (S)-Butan-2-ol (CAS NO.4221-99-2) is:
Hazard Codes: 
IrritantXi
Risk Statements:
R10:Flammable. 
R36/37:Irritating to eyes and respiratory system. 
R67:Vapours may cause drowsiness and dizziness. 
Safety Statements:
S9:Keep container in a well-ventilated place. 
S13:Keep away from food, drink and animal foodstuffs. 
S24:Avoid contact with skin. 
S25:Avoid contact with eyes. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S46:If swallowed, seek medical advice immediately and show this container or label. 
S7/9:Keep container tightly closed and in a well-ventilated place. 
S24/25:Avoid contact with skin and eyes. 
RIDADR: UN 1120 3/PG 3
WGK Germany: 1
RTECS EO:1750000
Hazard Note: Irritant
HazardClass: 3
PackingGroup: III

(S)-(+)-2-Butanol Specification

 (S)-Butan-2-ol (CAS NO.4221-99-2) is colorless to light yellow liquid.
First Aid Measures about it:
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation: Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. 
Handling and Storage about it:
Handling: Use spark-proof tools and explosion proof equipment. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.

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