Molecular Structure of 2,3-Butanedithiol (CAS NO.4532-64-3):

IUPAC Name: Butane-2,3-dithiol
Canonical SMILES: CC(C(C)S)S
InChI: InChI=1S/C4H10S2/c1-3(5)4(2)6/h3-6H,1-2H3
InChIKey: TWWSEEHCVDRRRI-UHFFFAOYSA-N
Molecular Weight: 122.2522 [g/mol]
Molecular Formula: C₄H₁₀S₂
XLogP3-AA: 1.7
EINECS: 224-870-8
Boiling Point: 86-87 °C50 mm Hg(lit.)
Density: 0.995 g/mL at 25 °C(lit.)
Vapor density: >1 (vs air)
FEMA: 3477
Flash Point: 126 °F
Product Categories: Pharmaceutical Raw Materials; Phenoles and thiophenoles; thiol Flavor; Self Assembly&Contact Printing; Self-Assembly Materials; Sulfur Compounds; Thiols/Mercaptans; ThiolsOrganic Building Blocks; A-B; Alphabetical Listings; Flavors and Fragrances

Safety Information of 2,3-Butanedithiol (CAS NO.4532-64-3):
Hazard Codes: Xn
Risk Statements: 10-22-36/37/38 
R10:Flammable. 
R22:Harmful if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26 
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 3336 3/PG 3
WGK Germany: 3
HazardClass: 3.2
PackingGroup: III

 2,3-Butanedithiol (CAS NO.4532-64-3), its Synonyms are 2,3-Dimercaptobutane ; 2,3-Dimercapto butane ; Butane-2,3-dithiol .