

| HEALTH | 3 | Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid) | |
| FIRE | 3 | Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone) | |
| REACT | 2 | Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water (e.g. white phosphorus, potassium, sodium) | |
| SPEC. HAZ. |
| Chemical Name | ACGIH TLV | OSHA PEL | NIOSH IDLH |
|---|---|---|---|
| Tetrahydrofuran 109-99-9 | STEL: 100 ppm TWA: 50 ppm S* | TWA: 200 ppm TWA: 590 mg/m3 (vacated) TWA: 200 ppm (vacated) TWA: 590 mg/m3 (vacated) STEL: 250 ppm (vacated) STEL: 735 mg/m3 | IDLH: 2000 ppm TWA: 200 ppm TWA: 590 mg/m3 STEL: 250 ppm STEL: 735 mg/m3 |
| Chemical Name | Algae/aquatic plants | Fish | Toxicity to Microorganisms | Crustacea |
|---|---|---|---|---|
| Tetrahydrofuran 109-99-9 | - | 2700 - 3600: 96 h Pimephales promelas mg/L LC50 static 1970 - 2360: 96 h Pimephales promelas mg/L LC50 flow-through | - | 5930: 24 h Daphnia magna mg/L EC50 |
| Chemical Name | California Hazardous Waste Status |
|---|---|
| Tetrahydrofuran 109-99-9 | Toxic Ignitable |
| Chemical name | TSCA | DSL | NDSL | EINECS | ELINCS | ENCS | IECSC | KECL | PICCS | AICS |
|---|---|---|---|---|---|---|---|---|---|---|
| Tetrahydrofuran | X | X | - | X | - | X | X | X | X | X |
| Chemical Name | New Jersey | Massachusetts | Pennsylvania |
|---|---|---|---|
| Tetrahydrofuran 109-99-9 | X | X | X |
The information in this MSDS is only applicable to the specified product, unless otherwise specified, it is not applicable to the mixture of this product and other substances. This MSDS only provides information on the safety of the product for those who have received the appropriate professional training for the user of the product. Users of this MSDS must make independent judgments on the applicability of this SDS. The authors of this MSDS will not be held responsible for any harm caused by the use of this MSDS.