Aquabor
Sodium metaborate tetrahydrate
CAS: 10555-76-7
Molecular Formula: BH8NaO6
Aquabor - Names and Identifiers
Aquabor - Physico-chemical Properties
| Molecular Formula | BH8NaO6 |
| Molar Mass | 137.86 |
| Density | 1.740 |
| Melting Point | 57 °C |
| Water Solubility | Soluble in water. |
| Solubility | Water (Slightly) |
| Appearance | Colorless or white crystals |
| Color | White |
| Exposure Limit | ACGIH: TWA 2 mg/m3; STEL 6 mg/m3 |
| PH | pH (10g/l, 25℃) : 10.5～12.0 |
| Storage Condition | Hygroscopic, Refrigerator, under inert atmosphere |
| Stability | Hygroscopic |
| MDL | MFCD00149205 |
| Physical and Chemical Properties | WGK Germany:3 RTECS:ED4640000 |
| Use | Used for photographic drugs, textile post-treatment, binders, detergents, preservatives, flame retardants, magnesium oxide waterproof, chemical preparation of sodium perborate and borax by carbonization, and used as herbicides in agriculture. |
Aquabor - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R36 - Irritating to the eyes R63 - Possible risk of harm to the unborn child |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | ED4640000 |
| TSCA | Yes |
| HS Code | 28402090 |
Aquabor - Nature
Open Data Verified Data
colorless triclinic crystals. The relative density was 1. 74. Soluble in water, insoluble in alcohol, strong hydrolysis in water and the aqueous solution is strong alkaline. Dissolved in its own crystallization water at 57 °c. In the air can absorb carbon dioxide and borax and sodium carbonate.
Last Update：2024-01-02 23:10:35
Aquabor - Preparation Method
Open Data Verified Data
- carbon alkali method in the carbon alkali process of boron magnesium ore solution to add the appropriate amount of caustic soda or soda ash, after evaporation, cooling crystallization, centrifugal separation, drying, prepared partial sodium borate product.
- pressurized Alkaline hydrolysis (caustic soda method) the pretreated boron and magnesium ore powder and caustic soda solution are first mixed into a slurry in a mixing tank, and then sent into an alkaline decomposer at a pressure of 0.35 to 0. 55MPa, temperature 150~165 degrees Celsius under the alkali solution 8~10H. The alkali-hydrolyzed slurry was filtered to remove slag. The filtrate was concentrated by evaporation, cooled and crystallized, centrifuged and dried to obtain a partial sodium borate product.
- reagent sodium metaborate is generally prepared by reacting borax with sodium hydroxide.
Last Update：2022-01-01 10:58:48
Aquabor - Introduction
Easily soluble in water, strongly hydrolyzed in water to make the aqueous solution strongly alkaline. Dissolve in its own crystalline water at 57°C. It can absorb carbon dioxide in the air to produce borax and sodium carbonate.
Last Update：2022-10-16 17:11:44
Aquabor - Use
Open Data Verified Data
used in photographic medicine, textile post-treatment, adhesives, detergents, preservatives, flame retardants, magnesium oxide water-proofing, chemical preparation of sodium perborate and carbonization of borax, and used as herbicides in agriculture.
Last Update：2022-01-01 10:58:47
Aquabor - Safety
Open Data Verified Data
packed in woven bags lined with two layers of polyethylene plastic bags, each with a net weight of 20kg and 25kg. Should be stored in a cool, ventilated, dry warehouse. Pay attention to moisture, rain and sun exposure. Handling should be light and light, to prevent packaging damage.
Last Update：2022-01-01 10:58:48
Aquabor - Reference Information
| use | used for photographic drugs, textile post-treatment, adhesives, detergents, preservatives, flame retardants, magnesium oxide waterproof, chemical preparation of sodium perborate and borax by carbonization, and used as herbicides in agriculture. Used for photographic drugs, post-treatment of textiles, binders, detergents, preservatives, flame retardants, magnesium oxide waterproof, chemical preparation of sodium perborate and borax by carbonization, and used as herbicides in agriculture agent. |
| production method | carbon-alkali method adds appropriate amount of caustic soda or soda ash to the solution of boron-magnesium ore processing by carbon-alkali method, evaporates, cools and crystallizes, centrifuges and dries to obtain sodium metaborate finished product. Pressurized alkali hydrolysis method (caustic soda method) pretreated boron-magnesium ore powder and caustic soda solution are first prepared into slurry in a dosing tank, and then sent into an alkali resolver for 8-10 h at a pressure of 0.35-0.55 Mpa and a temperature of 150-165 ℃. Alkaline slurry is filtered to remove slag. The filtrate is evaporated and concentrated, cooled and crystallized, centrifuged and dried to produce sodium metaborate. Its 2MgO · B2O3 2NaOH H2O → 2NaBO2 2Mg(OH)2 |
Last Update：2024-04-09 02:00:05
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CAS: 10555-76-7
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Email: sales@tnjchem.com
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Mobile: 0086 189 4982 3763
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Product List: View Catalog
CAS: 10555-76-7
Tel: 0086-551-65418684
Email: sales@tnjchem.com
info@tnjchem.com
Mobile: 0086 189 4982 3763
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Wechat: 0086 189 4982 3763
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Product Name: Sodium metaborate tetrahydrate Visit Supplier Webpage Request for quotationCAS: 10555-76-7
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