SODIUM FLUOROBORATE
sodium tetrafluoroborate
CAS: 13755-29-8
Molecular Formula: BF4Na
SODIUM FLUOROBORATE - Names and Identifiers
| Name | sodium tetrafluoroborate |
| Synonyms | apretonr Sodium fluoborate SODIUM FLUOBORATE SODIUM BOROFLUORIDE SODIUM FLUOROBORATE Sodium fluoroborate SODIUM TETRAFLUOROBORATE sodiumborontetrafluoride sodium tetrafluoroborate boronsodiumfluoride(bnaf4) Borate(1-),tetrafluoro-,sodium disodium fluoro-dioxido-borane |
| CAS | 13755-29-8 |
| EINECS | 237-340-6 |
| InChI | InChI=1/BFO2.2Na/c2-1(3)4;;/q-2;2*+1 |
SODIUM FLUOROBORATE - Physico-chemical Properties
| Molecular Formula | BF4Na |
| Molar Mass | 109.79 |
| Density | 2.47g/mLat 25°C(lit.) |
| Melting Point | 384 °C |
| Water Solubility | 108 g/100 mL (26 ºC) |
| Solubility | water: soluble(lit.) |
| Appearance | White crystal |
| Specific Gravity | 2.47 |
| Color | White to yellow to beige to brown |
| Exposure Limit | ACGIH: TWA 2.5 mg/m3NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
| Merck | 14,8617 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Moisture sensitive; do not store in glass (though the completely dry material does not etch glass). Incompatible with strong oxidizing agents. |
| Sensitive | Hygroscopic |
| MDL | MFCD00003515 |
| Physical and Chemical Properties | Characteristics of white or colorless crystals, anhydrous when transparent right-angled prism, the tip of the blunt absence. melting point 384 ℃ (decomposition) relative density 2.47 solubility soluble in water, slightly soluble in alcohol. |
| Use | Resin finishing agent for textile printing and dyeing, metal particle size improving agent and refining flux for non-ferrous metals, aluminum and magnesium alloy casting sand agent |
SODIUM FLUOROBORATE - Risk and Safety
| Risk Codes | 34 - Causes burns |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S25 - Avoid contact with eyes. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 3260 |
| WGK Germany | 1 |
| RTECS | ED2975000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 2826 90 80 |
| Hazard Note | Irritant |
SODIUM FLUOROBORATE - Upstream Downstream Industry
| Raw Materials | Sodium carbonate Fluorosilicic acid Fluoroboric acid Hydrofluoric Acid Orthoboric acid Hydrofluoric Acid Sodium carbonate Ethyl Alcohol |
SODIUM FLUOROBORATE - Reference
| Reference Show more | 1. [IF=2.679] Nanjing Zhong et al."Enhancing the Catalytic Performance of Candida antarctica Lipase B by Immobilization onto the Ionic Liquids Modified SBA-15."Eur J Lipid Sci Tech. 2018 Apr;120(4):1700357 |
SODIUM FLUOROBORATE - Nature
Open Data Verified Data
white or colorless crystals, when anhydrous, are transparent right-angled prisms with blunt defects at their tips. In absolute drying, sodium fluoroborate does not corrode glass. Relative density (20 degrees C) 2.47. Melting point 384 °c (decomposition). Soluble in water, slightly soluble in alcohol. It was decomposed in case of sulfuric acid.
Last Update：2025-06-10 22:55:16
SODIUM FLUOROBORATE - Preparation Method
Open Data Verified Data
fluoroboric acid sodium carbonate method: the fluoroboric acid is prepared by reacting boric acid and hydrofluoric acid in the reaction kettle, and then sent to the neutralization tank. Under stirring and cooling, sodium carbonate is slowly added, the reaction temperature was controlled not to exceed 35 °c. Pay attention to master the feeding speed to prevent the liquid from excessive gas escape
Large and overflowing outside the tank. After neutralization to pH 3~4, the reaction was continued for 0. 5H. After evaporation, cooling crystallization, centrifugal separation, washing and drying, sodium fluoroborate product was obtained.
Last Update：2022-01-01 10:59:00
SODIUM FLUOROBORATE - Application
Open Data Verified Data
used as a resin finishing catalyst in the textile and dyeing industry. It can be used as an oxidation inhibitor, a refining flux for non-ferrous metals, a granular agent for casting aluminum and magnesium alloys, an electrochemical treatment, a coating, a fluorinating agent, and a chemical reagent.
Last Update：2025-08-19 16:24:40
SODIUM FLUOROBORATE - Safety
Open Data Verified Data
see boron trifluoride and fluoroboric acid. Packed in a carton with a polyethylene plastic barrel jacket. 1kg net weight per barrel. Should be stored in a cool, dry warehouse. Packaging and closed storage. Care should be taken to prevent breakage of the package. Transport should be protected against rain and sun exposure. Pay attention to moisture.
Last Update：2022-01-01 10:59:01
SODIUM FLUOROBORATE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | see boron trifluoride and fluoroboric acid. |
| use | is used to prevent organic acid erosion in grain commodities, and can also be used for tinning copper wire, electroforming shell for preparing industrial or household appliances and electroplating bath for tin and tin alloy. resin finishing agent for textile printing and dyeing, metal particle size improvement agent and refining flux for non-ferrous metals, aluminum and magnesium alloy casting sand granule agent used as analytical reagent used as resin finishing catalyst in textile printing and dyeing industry. Can be used as an oxidation inhibitor. Refining fluxes for non-ferrous metals, coatings, fluorinating agents and chemical reagents. Electrochemical engineering, chemical research, fluorinating agent. Used in textile printing and dyeing industry, catalyst, sand granule when casting aluminum-magnesium alloy. Catalyst, oxidation inhibitor, etc. |
| production method | sodium fluoroborate method firstly produces fluoroborate acid by reacting boric acid and hydrofluoric acid in a reaction kettle, then sends it to a neutralization tank, slowly adds sodium carbonate under stirring and cooling, and controls the reaction temperature not to exceed 35 ℃. Pay attention to master the feeding speed to prevent the feed liquid from overflowing from the tank due to excessive gas escape. After neutralizing the feed solution to Ph 3~4, react for 0.5 h. Then the sodium fluoroborate product is prepared after being concentrated, cooled and crystallized, centrifuged, washed and dried. Its 2HBF4 Na2CO3 → 2NaBF4 CO2 ↑ H2O metal tin fluoroboric acid method first cut the tin ingot into small pieces, heat it on an electric furnace to melt it, then pour it into cold water to form tin flowers, take it out and pour it into the reactor, then add fluoroboric acid, and pass compressed air to bubble it to fully react. After the reaction solution is filtered to remove impurities, a finished product of stannous fluoroborate is prepared. Its 2Sn O2 → 2SnOSnO 2HBF4 → Sn(BF4)2 H2O |
Last Update：2024-04-10 22:29:15
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Raw Materials for SODIUM FLUOROBORATE