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HomeProduct name list(S,S)-2,3-Butanediol

(S,S)-2,3-Butanediol

Synonym(s):(S,S)-2,3-Butanediol

(S,S)-2,3-Butanediol Structural

What is (S,S)-2,3-Butanediol?

Chemical properties

SLIGHTLY YELLOW OILY LIQUID

The Uses of (S,S)-2,3-Butanediol

(S,S)-2,3-Butanediol is the (S,S)-isomer of 2,3-Butanediol (B690020), a naturally occurring compound found in cocoa butter.

Definition

ChEBI: The (S,S) diastereoisomer of butane-2,3-diol.

General Description

L-(+)-2,3-Butanediol is a stereoisomer of 2,3-Butanediol (2,3-BD). 2,3-BD may be used in the production of antifreeze solvents, extraction solvents, butadiene, polymers, polyurethane and diacetyl and may also be used as a fuel.

Purification Methods

Purify it by fractional distillation. The bis-(4-nitrobenzoate) has m 141-142o and [] (-) or (+) 52o (c 4 CHCl3). [Ghirardelli & Lucas J Am Chem Soc 79 734 1957, Rubin et al. J Am Chem Soc 74 425 1952, Neish Can J Res 27 6 1949, Neish & Ledingham Can J Res 27 694 1949, Beilstein 1 IV 2524-2525.]

Properties of (S,S)-2,3-Butanediol

Melting point: 20°C
Boiling point: 179-182 °C (lit.)
alpha  13 º (c=neat)
Density  0.987 g/mL at 25 °C (lit.)
refractive index  n20/D 1.433
Flash point: 185 °F
storage temp.  2-8°C
solubility  Chloroform (Slightly), Methanol (Slightly)
form  Oily Liquid
pka 14.67±0.20(Predicted)
color  Slightly yellow
Specific Gravity 0.987
PH 9-10 (500g/l, H2O, 20℃)
explosive limit 3.1-11.4%(V)
optical activity [α]20/D +13°, neat
Water Solubility  soluble
BRN  1718899
Stability: hygroscopic
CAS DataBase Reference 19132-06-0(CAS DataBase Reference)
NIST Chemistry Reference 2,3-Butanediol, [S-(R*,R*)]-(19132-06-0)

Safety information for (S,S)-2,3-Butanediol

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H227:Flammable liquids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378:In case of fire: Use … for extinction.
P403+P235:Store in a well-ventilated place. Keep cool.
P501:Dispose of contents/container to..…

Computed Descriptors for (S,S)-2,3-Butanediol

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