PERFLUOROBUTBUTYRIC ACID
heptafluorobutyric acid
CAS: 375-22-4
Molecular Formula: C4HF7O2
PERFLUOROBUTBUTYRIC ACID - Names and Identifiers
| Name | heptafluorobutyric acid |
| Synonyms | HFBA TIMTEC-BB SBB008777 RARECHEM AL BO 0423 Perfluorobutyricacid Perfluorobutanoicaid heptafluorobutanoate PERFLUOROBUTYRIC ACID Perfluorobutyric acid HEPTAFLUOROBUTYRC ACID heptafluorobutyric acid heptafluorobutanoicacid 2H-Perfluorobutyric acid PERFLUOROBUTBUTYRIC ACID N-HEPTAFLUOROBUTYRIC ACID silver(1+) heptafluorobutanoate HEPTAFLUOROBUTYRIC ACID, FOR ION CHROMATOGRAPHY |
| CAS | 375-22-4 |
| EINECS | 206-786-3 |
| InChI | InChI=1/C4HF7O2/c5-2(6,1(12)13)3(7,8)4(9,10)11/h(H,12,13)/p-1 |
| InChIKey | YPJUNDFVDDCYIH-UHFFFAOYSA-N |
PERFLUOROBUTBUTYRIC ACID - Physico-chemical Properties
| Molecular Formula | C4HF7O2 |
| Molar Mass | 214.04 |
| Density | 1.645g/mLat 25°C(lit.) |
| Melting Point | -17.5 °C |
| Boling Point | 120°C755mm Hg(lit.) |
| Flash Point | 120-121°C |
| Water Solubility | miscible |
| Vapor Presure | ~10 mm Hg ( 25 °C) |
| Vapor Density | 7 (vs air) |
| Appearance | Powder |
| Specific Gravity | approximate 1.6 |
| Color | Clear colorless to faint yellow |
| BRN | 1426882 |
| pKa | pK1:0.17 (25°C) |
| PH | 1 (H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | Light Sensitive |
| Refractive Index | n20/D 1.3(lit.) |
PERFLUOROBUTBUTYRIC ACID - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R34 - Causes burns R35 - Causes severe burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 8/PG 2 |
| WGK Germany | 3 |
| RTECS | ET4025000 |
| FLUKA BRAND F CODES | 3-8-10 |
| TSCA | T |
| HS Code | 29159000 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
PERFLUOROBUTBUTYRIC ACID - Reference Information
Open Data Unverified Data
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Properties | Sevobutyric acid is also called perfluorobutyric acid. It is a colorless liquid at room temperature, smells like butyric acid, and has strong acidity. Perfluorobutyric acid has stable properties and can generate salt reaction, esterification reaction, substitution reaction, dehydration reaction and reduction reaction of alcohol hydroxyl group. |
| use | perfluorobutyric acid and its derivatives are a class of chemical intermediates, which can be used as new medicine, gunpowder, perfume intermediates, as well as raw materials or additives for the synthesis of new organic polymer materials, and at the same time, they can also be used as organic solvents. Derivative reagents for the detection of aminoglycoside antibiotics. Ion pair reagents, protein sequencing. |
| preparation | industrial perfluorobutyric acid is prepared by electrochemical fluorination method, butyyl chloride is used as the starting material, and anhydrous hydrogen fluoride occurs electrolytic fluorination reaction, and the anode product is neutralized and acidified to obtain the product. |
| category | corroded articles |
| toxicity classification | highly toxic |
| acute toxicity | abdominal cavity-mouse LD50: 153 mg/kg |
| flammability hazard characteristics | decomposes toxic fluoride gas when heated; releases toxic fluoride smoke when exposed to water vapor |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from food, oxidant and water-containing articles |
| fire extinguishing agent | mist water, foam, sand, carbon dioxide |
Last Update：2024-04-09 19:43:38
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