Hydrofluoric acid CAS#: 7664-39-3; ChemWhat Code: 18198
Names & Identifiers |
| Product Name | Hydrofluoric acid |
| Synonyms | Hydrofluoric Acid, 48-52 Percent, Technical;Hydrofluoric Acid, 49 Percent, Electronic/CleanrooM Grade;Hydrofluoric Acid, 70 Percent, Technical;Hydrofluoric Acid, TraceGrade;Hydrofluoric Acid, Ultratrace;Hydrofluoric acid, 40 wt.% solution in H2O, for analysis;Hydrofluoric acid, ACS reagent, 48.0 – 51.0% HF;HF2 |
| CAS Registry Number | 7664-39-3 |
| Molecular Formula | FH |
| Molecular Weight | 20.01 |
| EINECS | 231-634-8 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | -35°C |
| Boiling Point | 105°C |
| Density | 1.15 g/mL at 25 °C(lit.) |
| vapor Density | 1.27 (vs air) |
| vapor pressure | 25 mm Hg ( 20 °C) |
| Flash Point | 112°C |
| pka | 3.17(at 25℃) |
| form | Liquid, Double Sub-Boiling Quartz Distillation |
| Color | max. 10 |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| Merck | 14,4790 |
| Stability: | Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
| NIST Chemistry Reference | Hydrogen fluoride(7664-39-3) |
| EPA Substance Registry System | Hydrofluoric acid(7664-39-3) |
Safety & Hazards(Codes & Phrases) |
| Hazard Codes | T+,C,T,Xn |
| R Phrase | 26/27/28-35-36/37/38-20/21/22 |
| S Phrase | 26-36/37/39-45-7/9-36/37-28-36 |
| RIDADR | UN 1790 8/PG 2 |
| WGK Germany | 2 |
| RTECS | MW7875000 |
| Hazard Note | Corrosive |
| TSCA | Yes |
| Storage Class | 8 |
| Packing Group | II |
| Hazardous Substances Data | 7664-39-3(Hazardous Substances Data) |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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