What is the correct NFPA codes for THF?
Chemical Identifiers
| CAS Number | UN/NA Number | DOT Hazard Label |
|---|---|---|
| 109-99-9 | 2056 | Flammable Liquid |
| NIOSH Pocket Guide | International Chem Safety Card | |
| Tetrahydrofuran | TETRAHYDROFURAN |
What is a risk phrase in Coshh?
S-Phrases | MSDS FAQ | SDS Guidance. R-phrases, also known as risk phrases, specify the particular danger(s) of a hazardous substance.
Which phrase best defines what safety data sheets are?
Safety Data Sheets (SDSs) are summary documents that provide information about the hazards of a product and advice about safety precautions.
What is the NFPA diamond for acetone?
Chemical Identifiers
| Diamond | Hazard | Value |
|---|---|---|
| 3 1 0 | Health | 1 |
| Flammability | 3 | |
| Instability | 0 | |
| Special |
What is R phrases in MSDS?
Additional Info
| Single Risk Phrases | |
|---|---|
| R1 | Explosive when dry. |
| R2 | Risk of explosion by shock, friction, fire or other sources of ignition. |
| R3 | Extreme risk of explosion by shock, friction, fire or other sources of ignition. |
| R4 | Forms very sensitive explosive metallic compounds. |
What does the risk phrase R25 usually refer to?
Toxic if swallowed
R25 – Toxic if swallowed. R26 – Very toxic by inhalation. R27 – Very toxic in contact with skin. R28 – Very toxic if swallowed.
What do WHMIS and MSDS have in common?
Similarly, both forms contain hazard information and are more detailed than product labels. Both types of documents are resources for workers and workplaces and help with identification of hazards and promoting precautionary measures when dealing with various products.
Is tetrahydrofuran toxic?
ACC# 23011 MSDS Name: Tetrahydrofuran, 99.5+%, for spectroscopy. Synonyms: Diethylene oxide; 1,4-Epoxybutane; Tetramethylene oxide; THF; Oxacyclopentane. Appearance: colorless liquid. Flash Point: -14 deg C. Danger! Highly flammable. Causes eye and respiratory tract irritation. May form explosive peroxides.
What is the TSCA number for tetrahydrofuran?
Flags Tetrahydrofuran 109-99-9 X ACTIVE – Legend: TSCA US EPA (TSCA) – Toxic Substances Control Act, (40 CFR Part 710) X – Listed ‘-‘ – Not Listed TSCA 12(b) – Notices of Export Component CAS No TSCA 12(b) – Notices of Export Tetrahydrofuran 109-99-9 Section 4, 1 % de minimus concentration International Inventories
What respirator should I use when Using tetrahydrofuran?
Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Hygiene Measures Page 4 / 9 Handle in accordance with good industrial hygiene and safety practice. TetrahydrofuranRevision Date 24-Dec-2021
What are the first-aid measures for tetrahydrofuran?
Page 2 / 9 TetrahydrofuranRevision Date 24-Dec-2021 4. First-aid measures General AdviceIf symptoms persist, call a physician. Eye ContactRinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention. Skin ContactWash off immediately with plenty of water for at least 15 minutes.