ALUMINIUM DIHYDROGEN PHOSPHATE
Aluminium dihydrogen phosphate
CAS: 13530-50-2
Molecular Formula: AlH6O12P3
ALUMINIUM DIHYDROGEN PHOSPHATE - Names and Identifiers
| Name | Aluminium dihydrogen phosphate |
| Synonyms | trialuminum triphosphate ALUMINUM PHOSPHATE MONOBASIC Aluminum dihydrogen phosphate Aluminium phosphate,monobasic Aluminium dihydrogen phosphate ALUMINIUM DIHYDROGEN PHOSPHATE aluminum tris(dihydrogen phosphate) aluminumdihydrogenphosphatesolution aluminium tris(dihydrogen phosphate) |
| CAS | 13530-50-2 |
| EINECS | 236-875-2 |
| InChI | InChI=1/3Al.3H3O4P/c;;;3*1-5(2,3)4/h;;;3*(H3,1,2,3,4)/q3*+3;;;/p-9 |
| InChIKey | RGPUVZXXZFNFBF-UHFFFAOYSA-K |
ALUMINIUM DIHYDROGEN PHOSPHATE - Physico-chemical Properties
| Molecular Formula | AlH6O12P3 |
| Molar Mass | 317.94 |
| Density | 1.5g/mLat 20°C |
| Boling Point | 158℃ at 760 mmHg |
| Water Solubility | Soluble in water and ethanol. Insoluble in acetone. |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Crystalline powder or liquid |
| Specific Gravity | 1.5 |
| Color | Colorless |
| Exposure Limit | ACGIH: TWA 1 mg/m3 |
| Storage Condition | Room Temprature |
| MDL | MFCD00014152 |
| Physical and Chemical Properties | Colorless, tasteless, extremely viscous liquid or white powder. The relative density of 1.44~1.47 soluble in water. |
| Use | Mainly used for high temperature kiln refractory Binder |
ALUMINIUM DIHYDROGEN PHOSPHATE - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 41 - Risk of serious damage to eyes |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S22 - Do not breathe dust. S39 - Wear eye / face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
ALUMINIUM DIHYDROGEN PHOSPHATE - Upstream Downstream Industry
| Raw Materials | Phosphoric acid Aluminum hydroxide Aluminum oxide |
ALUMINIUM DIHYDROGEN PHOSPHATE - Nature
Open Data Verified Data
A colorless, odorless, extremely viscous liquid or white powder. The relative density of liquid was 1.44-1. 47. Soluble in water. This product is a new type of inorganic synthetic material. Curing at room temperature, strong chemical combination of liquid and solid, with high temperature resistance, anti-seismic, anti-peeling, high temperature resistant air flow
Erosion, infrared absorption capacity and good insulation characteristics.
Erosion, infrared absorption capacity and good insulation characteristics.
Last Update：2025-06-10 22:55:16
ALUMINIUM DIHYDROGEN PHOSPHATE - Preparation Method
Open Data Verified Data
neutralization method: Add 1 part of 85% Phosphoric acid into the jacketed enamel reaction kettle, add 2.5 parts of water while stirring, and then heat up to about 110 ℃ with steam, then add 96% aluminum hydroxide slowly. 22 parts, maintain the temperature above 100 deg C to maintain lh, adjust the pH value and relative density, that is, prepared liquid aluminum dihydrogen phosphate product. If the powder product is to be produced, it needs to be further concentrated, and the waste gas is discharged after cyclone separation by spray drying to prepare the powder aluminum dihydrogen phosphate finished product.
Last Update：2022-01-01 11:03:04
ALUMINIUM DIHYDROGEN PHOSPHATE - Introduction
This product is a new type of inorganic synthetic material. Curing at room temperature, strong chemical bonding between liquid and solid, with high temperature resistance, earthquake resistance, peeling resistance, high temperature airflow erosion resistance, strong infrared absorption capacity and good insulation performance.
Last Update：2022-10-16 17:13:36
ALUMINIUM DIHYDROGEN PHOSPHATE - Application
Open Data Verified Data
mainly used in electrical industry, high temperature kiln, heat treatment resistance furnace and electrical insulation. It is also used in petroleum, chemical, shipbuilding and space technology. It can also be used as an inorganic coating in combination with an organic coating.
Last Update：2025-08-19 16:24:40
ALUMINIUM DIHYDROGEN PHOSPHATE - Safety
Open Data Verified Data
should be stored in a ventilated, dry warehouse. It should be protected from rain and moisture during transportation. When loading and unloading should be light to prevent the impact of inversion, to prevent packaging damage. Liquid products are packed in polyethylene plastic barrels with a net weight of 30kg per barrel; Powder products are packed in polypropylene woven bags lined with polyethylene plastic bags with a net weight of 50kg per bag. Fire, water, sand, carbon dioxide fire extinguishing.
Last Update：2025-06-10 22:55:16
ALUMINIUM DIHYDROGEN PHOSPHATE - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | aluminum dihydrogen phosphate, as a high-temperature binder, has the characteristics of strong chemical bonding, normal temperature hardening, high temperature resistance and erosion resistance under high temperature conditions. As early as the 1980s, the casting industry began to use aluminum dihydrogen phosphate as a binder for the shell making process. In recent years, some experts have also conducted research in this area. Liu Weilai et al. modified the phosphate binder by adding magnesium oxide and M agent to obtain a self-hardening casting binder with good moisture resistance and high strength. Xing Jinlong et al. modified the phosphate binder for casting and achieved good process performance and self-stability. |
| properties | there are two kinds of anhydrous and liquid. The anhydrous substance is powdery crystal, and the pure product is hexagonal needle-shaped or rod-shaped crystal with 2.19 relative density. The liquid is colorless, tasteless and viscous syrup-like liquid with a relative density of 1.44~1.47. Both liquids and solids have strong chemical bonding forces and are easily soluble in water. Easy to cure at room temperature. The cured body is resistant to high temperature, vibration and peeling, and has good infrared absorption and insulation properties. Aluminum dihydrogen pyrophosphate is generated when heated to 236 ℃; Aluminum dihydrogen triphosphate is generated at 300~400 ℃; Aluminum metaphosphate is generated above 900 ℃. |
| use | used as adhesive, high temperature resistant masonry material and insulating material for high temperature kilns, heat treatment electric furnaces, etc. It is also used as intumescent flame retardant coating for fiber, wood, etc. Used in the production of ceramic products, it can improve the high temperature compressive strength and bending strength of the products. Mixing in cement can improve the strength of cement products and shorten the setting time. Used as a bonding material or surface coating with good dielectric properties in the production of electrical appliances. mainly used in high-temperature kilns, heat treatment resistance furnaces, used to make electrical insulation materials mainly used in electrical industry, high-temperature kilns, heat treatment resistance furnaces and electrical insulation. It is also used in petroleum, chemical industry, shipbuilding and space technology. It can also be used as inorganic coating and organic coating. Mainly used as a binder for refractory materials in high-temperature kilns Used as a binder for refractory materials. |
| production method | neutralization method 1 part of 85% phosphoric acid is added into a jacketed enamel reaction kettle, 2.5 parts of water are added while stirring, then steam is introduced into the jacketed to heat the temperature to about 110 ℃, then 0.22 parts of 96% aluminum hydroxide are slowly added, the temperature is maintained above 100 ℃ for 1 hour, and the Ph value and relative density are adjusted, that is, the finished product of liquid aluminum dihydrogen phosphate is produced. If you want to produce powdered products, you need to further concentrate, through spray drying, exhaust gas after cyclone separation and emptying, to produce powdered aluminum dihydrogen phosphate finished products. Its 3H3PO4 + AI(OH)3 → AI(H2PO4)3 + 3H2O |
Last Update：2024-04-09 15:16:47
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View History
ALUMINIUM DIHYDROGEN PHOSPHATE
Methylene Green zinc chloride double salt
Scandium atomic absorption standard solution
Acid Blue HRL
3-- acetic acid
Methylene Green zinc chloride double salt
Scandium atomic absorption standard solution
Acid Blue HRL
3-- acetic acid
Raw Materials for ALUMINIUM DIHYDROGEN PHOSPHATE