(S)-(+)-2-Butanol

CAS No.：4221-99-2

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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(S)-(+)-2-Butanol Basic information

Product Name:	(S)-(+)-2-Butanol
Synonyms:	(S)-(+)-2-BUTANOL 99%;(2S)-Butanol;(S)-(+)-2-Butanol ChiPros(R), produced;D-(+)-ETHYLMETHYLCARBINOL;D-(+)-SEC-BUTYL ALCOHOL;D-SEC-BUTYL ALCOHOL;(S)-(+)-sec-Butanol,99%;(S)-(+)-2-Butanol,(S)-(+)-sec-Butyl alcohol
CAS:	4221-99-2
MF:	C4H10O
MW:	74.12
EINECS:	224-168-1
Product Categories:	chiral;Chiral Compounds (Building Blocks for Liquid Crystals);Building Blocks for Liquid Crystals;Chiral Building Blocks;Functional Materials;Simple Alcohols (Chiral);Alcohols, Hydroxy Esters and Derivatives;Chiral Compounds;Synthetic Organic Chemistry
Mol File:	4221-99-2.mol

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

Melting point	-114 °C
Boiling point	99-100 °C (lit.)
alpha	13 º (neat)
density	0.803 g/mL at 25 °C (lit.)
vapor density	2.6 (vs air)
vapor pressure	12.5 mm Hg ( 20 °C)
refractive index	n20/D 1.397(lit.)
Fp	80 °F
storage temp.	Sealed in dry,Room Temperature
form	Liquid
pka	15.31±0.20(Predicted)
color	Clear colorless
explosive limit	9.8%
optical activity	[α]20/D +13°, neat
Water Solubility	125 g/L (20 ºC)
Merck	14,1541
BRN	1718763
Stability:	Stable. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents, halogens.
CAS DataBase Reference	4221-99-2(CAS DataBase Reference)
NIST Chemistry Reference	2-Butanol, (S)-(+)-(4221-99-2)

Safety Information

Hazard Codes	Xi
Risk Statements	10-36/37-67
Safety Statements	9-13-24-25-26-46-7/9-24/25
RIDADR	UN 1120 3/PG 3
WGK Germany	1
RTECS	EO1750000
Autoignition Temperature	761 °F
Hazard Note	Irritant
HazardClass	3
PackingGroup	III
HS Code	29051490

MSDS Information

Provider	Language
(S)-(+)-sec-Butanol	English
SigmaAldrich	English
ACROS	English
ALFA	English

(S)-(+)-2-Butanol Usage And Synthesis

Chemical Properties

Colorless to light yellow liqui

Uses

(S)-(+)-2-Butanol can be used:

To synthesize chiral asymmetric perylene diimides (PDI) that spontaneously self-assemble into one-handed nanotubes that are photoconductive or fluorescent in nature.
To synthesize bulky chiral vinyl monomers that can be radically polymerized to helical polymers with an excess screw sense.
As chiral solvent to study excited state photo transfer of the photoacid, 5,8-dicyano-2-naphthol (DCN2) in chiral environment.

(S)-(+)-2-Butanol Preparation Products And Raw materials

Raw materials

Butanoic acid, (1S)-1-methylpropyl ester-->Butanoic acid, (1R)-1-methylpropyl ester-->R-(-)-2-Butanol-->n-Butane-->1-Butanol-->Methyl vinyl ketone-->2-BUTENE-->Vinyl butyrate-->CIS-2-BUTENE-->2-Butanone

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