SODIUM ANTIMONATE
Sodium antimonate
CAS: 15432-85-6;11112-10-0
Molecular Formula: Na.O3Sb
SODIUM ANTIMONATE - Names and Identifiers
| Name | Sodium antimonate |
| Synonyms | thermoguard fr sodium antimony Natriumantimonat SODIUM ANTIMONATE Sodium antimonate sodium antimonate(V) trisodium antimonate sodium polyantimonate antimony sodium oxide SODIUM METAANTIMONATE Antimonic acid,sodium salt Antimonic acid, sodium salt Sodium antimonate trihydrate |
| CAS | 15432-85-6 11112-10-0 |
| EINECS | 239-444-7 |
| InChI | InChI=1/3Na.4O.Sb/q3*+1;;3*-1;/r3Na.O4Sb/c;;;1-5(2,3)4/q3*+1;-3 |
SODIUM ANTIMONATE - Physico-chemical Properties
| Molecular Formula | Na.O3Sb |
| Molar Mass | 192.75 |
| Density | 3.7g/mLat 25°C(lit.) |
| Melting Point | >375°C(lit.) |
| Water Solubility | slightly soluble |
| Solubility | Soluble in tartaric acid, sodium sulfide solution, concentrated sulfuric acid, slightly soluble in alcohol, ammonium salt, insoluble in acetic acid, dilute alkali and dilute inorganic acid. Insoluble in cold water. |
| Appearance | White powder |
| Exposure Limit | ACGIH: TWA 0.5 mg/m3NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| Solubility Product Constant(Ksp) | pKsp: 7.4 |
| Storage Condition | Room Temprature |
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| MDL | MFCD00058775 |
| Physical and Chemical Properties | Character: white powder, with granular crystals and equiaxed crystals. soluble in tartaric acid, sodium sulfide solution, concentrated sulfuric acid, slightly soluble in alcohol, ammonium salt, insoluble in acetic acid, dilute alkali and dilute inorganic acid. Insoluble in cold water. |
| Use | Cream for opaque fillers, enamels and acid-resistant paints for iron sheets and steel plates Used as a glass fining agent, can also be used as a flame retardant synergist |
SODIUM ANTIMONATE - Risk and Safety
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S22 - Do not breathe dust. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | 1549 |
| TSCA | Yes |
| HS Code | 28419085 |
| Hazard Class | 6.1 |
| Packing Group | III |
SODIUM ANTIMONATE - Upstream Downstream Industry
| Raw Materials | Antimony(III) oxide Sodium nitrate |
SODIUM ANTIMONATE - Nature
Open Data Verified Data
white powder or granules. According to the different production conditions, there are granular crystals and equiaxed crystals. Can be resistant to high temperature, heated to about 1000 degrees Celsius without decomposition. Soluble in tartaric acid, concentrated sulfuric acid, slightly soluble in water, pure, ammonium salt and concentrated inorganic acid, insoluble in acetic acid, dilute alkali and dilute inorganic acid. Hydrolysis in water occurs to form colloids.
Last Update：2024-01-02 23:10:35
SODIUM ANTIMONATE - Preparation Method
Open Data Verified Data
with crude antimony oxygen powder as raw material, adding hydrochloric acid reaction to produce antimony trioxide solution, after chlorination, then adding NaOH solution for reaction, after vacuum filtration, washing, drying, grinding, the product was screened. Or metal antimony or antimony trioxide, sodium nitrate as raw materials, under high temperature or alkaline conditions to prepare sodium antimonate. It is also possible to prepare each sodium antimonate from antimony trioxide or antimony disulfide.
Last Update：2022-01-01 09:05:14
SODIUM ANTIMONATE - Introduction
Used as fining agent for picture tube, optical glass and various high-grade glass, flame retardant for textiles and plastic products, milky whitening agent for enamel, opaque filler for paint for casting and composition of acid-resistant paint for iron sheet and steel plate, and used to identify sodium ions in chemical analysis.
Last Update：2022-10-16 17:14:09
SODIUM ANTIMONATE - Use
Open Data Verified Data
used as a crosslinking agent for acidizing fracturing fluid thickener and water shutoff-profile control agent using chemicals, used together with the polymer. Also used for picture tubes, optical glass, a variety of advanced glass fining agent, chemical fiber, resin flame retardant.
Last Update：2022-01-01 09:05:15
SODIUM ANTIMONATE - Safety
Open Data Verified Data
sodium antimonate is a secondary inorganic hazardous substance, and the maximum allowable concentration of metallic antimony or antimony-containing compound dust in the air is 0.5 mg/m3, wherein the oxide and sulfide of pentavalent antimony are 2mg/m3. Acute poisoning is characterized by irritation of the respiratory tract, digestive tract and skin. Chronic medium
Toxic effects in vivo metabolic system, nervous system core cerebral blood vessels. Antimony compounds into the digestive system, there is a metallic taste in the mouth, can cause drooling, Nausea, Vomit, Diarrhea and Abdominal Pain; Long-term inhalation of antimony dust, can lead to lung disease. Environmental protection: This product is listed in the production side, by-products can be developed and utilized for sodium oxide and sodium chloride; Can be absorbed by water for nitric oxide and hydrogen chloride; Reaction to produce polyethylene plastic barrel; With the mouth with the machine packaging. Outside the package should be marked with_toxic substances "of the text and icons, as well as the provisions of the goods must be written description. Should be stored in the ventilation, dry, fire, waterproof, toxic substances in the warehouse. It cannot be stored in combination with food and other chemicals. Note that the package is complete and not broken. When transporting, cover cloth to prevent sun and rain. Hazards and protection: the production and use of the environment to air circulation, clean and dry, reduce or avoid antimony powder in the air to stay; Operators should have labor protection, to prevent the invasion of important organs, especially the eyes, protection of the mouth and nose. Accidental respiratory poisoning, can give a lot of beet or coffee drinks, aspirin; The inlet poisoning, with tannic acid solution, protein water repeated gastric lavage. The patient was sent to hospital for diagnosis and treatment. Wear a respirator and goggles when working. After work, take a bath to change work clothes, protective equipment stored separately, often change wash. Long-term exposure to antimony dust, to do regular lung examination. Fire can be suppressed with water and sand.
Last Update：2022-01-01 09:05:16
SODIUM ANTIMONATE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | sodium pyroantimonate, as a widely used antimony salt, is a promising fine chemical product. It is mainly used in high-grade glass clarifying agent and decoloring agent, especially in the TV picture tube glass shell increased, is a major electronic chemical raw material, in addition, can also be used as flame retardant, enamel whitening agent. |
| application | excellent grade pure sodium antimonate is widely used in industries such as opaque fillers for cast iron paints, textile flame retardants, glass shells of color TV picture tubes and clarifiers for high-grade glass. |
| preparation | a method for preparing ultra-fine particles of sodium antimonate, comprising the following steps:(1) adding 1 ton of antimony trioxide and 380Kg of potassium hydroxide with water for 100r /min, stirring, mixing and dissolving, heating to 60 ℃, then slowly adding 870Kg and 27.5%(W/W%) hydrogen peroxide solution, and oxidizing to prepare potassium antimonate solution;(2) The potassium antimonate solution obtained by the reaction in step 1) is slowly added into 700g/L high-concentration sodium hydroxide solution, and the sodium antimonate with a particle size ≤ 3.0 μm is prepared by stirring at 95 ℃ and 300r /min, and cooled for later use;(3) The reaction liquid in step (2) is separated from solid to liquid, and the sodium antimonate solid is lazed and washed 3 times according to the mass ratio of sodium antimonate to water of 1:1.7, remove the free sodium hydroxide and/or potassium hydroxide contained in the crude sodium antimonate, wash, spin dry, put into a dryer and dry for 3 hours at 110 ℃, and dry to obtain ultrafine particles of sodium antimonate finished products. |
| use | used as opaque filler, opal whitening agent for enamel and acid-resistant paint for iron sheet and steel plate used as clarifier for picture tube, optical glass and various high-grade glass, flame retardant for textiles and plastic products, opal whitening agent for enamel, opaque filler for paint for casting and acid-resistant paint for iron sheet and steel plate. It is used in chemical analysis to identify sodium ions. Used as opaque filler, opal whitening agent for enamel and acid-resistant paint for iron sheet and steel plate as glass clarifier, and also as flame retardant synergist used as clarifier for picture tube, optical glass and various high-grade glass, flame retardant for textiles and plastic products, opal whitening agent for enamel, opaque filler for casting paint and composition of acid-resistant paint for iron sheet and steel plate, and used to identify sodium ions in chemical analysis. |
| production method | sodium nitrate method pulverizes antimony blocks, mixes them with sodium nitrate, and heats them in a reaction furnace through air. The obtained crude sodium antimonate is cooled, crushed, and leached with nitric acid to further react, and then filtered, dried, and crushed to obtain a finished product of sodium antimonate. 4NaNO3 4Sb 3O2 → 4NaSbO3 2NO 2NO2 chlorination method Mix crude antimony trioxide powder with acid, react 3~4 at 70~75 ℃ to generate antimony trichloride, filter to remove impurities, and chlorinate through chlorine at 65 ℃ to generate antimony pentachloride. Add water to hydrolyze, precipitate antimony, wash and remove impurities, filter and neutralize excess alkali to generate sodium antimonate, and then vacuum filtration, washing, centrifugal separation, drying, crushing, and sieving to obtain sodium antimonate finished products. Its Sb2O3 6HCl → 2SbCl3 3H2OSbCl3 C12 → SbC15SbC15 2H2O → SbO2Cl ↓ 4HClSbC15 3H2O → HSbO3 ↓ 5HC1SbO2Cl 2NaOH 2H2O → NaSbO3?3H2O ↓ NaClHSbO3 NaOH 2H2O → NaSbO3?3H2O ↓ |
Last Update：2024-04-10 22:29:15
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Raw Materials for SODIUM ANTIMONATE