C4H8O
Tetrahydrofuran (unstabilized) HPLC-S Gradient Grade
Main characteristics
| M | 72.11 |
|---|---|
| D | 0.89 |
| b.p | 66 °C |
| m.p | -108.4 °C |
- Danger : H:225-319-335- P:210-241-303+361+353-305+351+338-405-501
Product specificities
| Clear colorless liquid | Complying |
| Acidity (as Acetic acid) | <= 0.002% |
| Color (APHA Pt-Co) | <= 10 |
| Assay (GC on anhydrous basis) | >= 99.9% |
| Peroxides (as H202) | <= 0.01% |
| Residue after evaporation | <= 0.0002%w/w |
| Water (KF) | <= 0.02%w/w |
| Grad. elution H.Peak at 254nm | <= 0.015AU |
| Grad. elution H.Peak at 280nm | <= 0.005AU |
| UV Trans. 230nm | >= 35% |
| UV Trans. 245nm | >= 50% |
| UV Trans. 254nm | >= 70% |
| UV Trans. 280nm | >= 95% |
| UV Trans. 300nm | >= 98% |
