Propynol ethoxylate , 80% , 3973-18-0

Synonym(s):
PME;Stefin B;STFB;CPI-B;CST6

CAS NO.：3973-18-0

Empirical Formula: C5H8O2

Molecular Weight: 100.12

MDL number: MFCD00099294

EINECS: 223-601-1

PRODUCT Properties

• Boiling point: 80-90 °C(Press: 12-14 Torr)
• Density: 1.0261
• refractive index: 1.4502
• storage temp.: Sealed in dry,Store in freezer, under -20°C
• solubility: Chloroform (Sparingly), Ethyl Acetate (Slightly)
• form: Oil
• pka: 14.22±0.10(Predicted)
• color: Colourless to Pale Yellow
• Stability: Light Sensitive
• InChI: InChI=1S/C5H8O2/c1-2-4-7-5-3-6/h1,6H,3-5H2
• InChIKey: GHGCQQRMJCSIBQ-UHFFFAOYSA-N
• SMILES: C(O)COCC#C
• CAS DataBase Reference: 3973-18-0(CAS DataBase Reference)
• EPA Substance Registry System: Ethanol, 2-(2-propynyloxy)- (3973-18-0)

Description and Uses

Propargyl-PEG2-alcohol has propargyl and alcohol end groups. The propargyl can participate in copper-catalyzed Click Chemistry reactions with azides.

Propynol Ethoxylate is an intermediate and it is shown to be used in the design and synthesis of a tag-free chemical probe for photoafiinity labeling.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P280-P302+P352-P362+P364
• Hazard Codes: Xi
• Risk Statements: 36
• Safety Statements: 26
• HS Code: 2909498090