ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT
Aluminum ammonium sulfate dodecahydrate, Reagent Grade
CAS: 7784-26-1
Molecular Formula: AlH28NO20S2
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Names and Identifiers
| Name | Aluminum ammonium sulfate dodecahydrate, Reagent Grade |
| Synonyms | Aluminium ammonium sulphate ALUMINUM AMM SULFATE 12HYD XTL aluminum ammonium sulfate hydrate ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT Aluminum ammonium sulfate dodecahydrate, Reagent Grade ALUMINUM AMMONIUM SULFATE, DODECAHYDRATE, REAGENT (ACS)ALUMINUM AMMONIUM SULFATE, DODECAHYDRATE, REAGENT (ACS)ALUMINUM AMMONIUM SULFATE, DODECAHYDRATE, REAGENT (ACS) |
| CAS | 7784-26-1 |
| EINECS | 616-522-2 |
| InChI | InChI=1/Al.H3N.H2O4S.H2O/c;;1-5(2,3)4;/h;1H3;(H2,1,2,3,4);1H2/q+3;;;/p-1 |
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Physico-chemical Properties
| Molecular Formula | AlH28NO20S2 |
| Molar Mass | 453.33 |
| Density | 1.64 |
| Melting Point | 93.5°C(lit.) |
| Boling Point | 200 °C |
| Water Solubility | Soluble in water and glycerol. Insoluble in alcohol. |
| Solubility | Soluble in glycerin, soluble in water, insoluble in alcohol, |
| Appearance | Solid |
| Specific Gravity | 1.64 |
| Color | White |
| Odor | Odorless |
| Exposure Limit | NIOSH: TWA 2 mg/m3 |
| Merck | 14,327 |
| PH | 2.6 (100g/l, H2O, 25℃) |
| Storage Condition | Store at +5°C to +30°C. |
| Stability | Stable. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00149958 |
| Physical and Chemical Properties | Colorless transparent cubic crystal or white granular powder. The relative density was 1.64. Melting point 93.5 ℃, odorless, astringent. Slightly soluble in water, 20 ° C solubility of 15g/100ml water, soluble in hot water, aqueous solution is acidic. Soluble in dilute acid, glycerol, insoluble in alcohol. Ten crystals of water are lost at 120 °c and become anhydrous (alum) when heated to 200 °c and decompose at 280 °c. |
| Use | Soft water, baking powder, mordant, pulp paper, tanning, manufacturing pigment, copper plating, clarifying agent. |
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. 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. S27 - Take off immediately all contaminated clothing. |
| WGK Germany | 3 |
| RTECS | WS5640010 |
| TSCA | Yes |
| HS Code | 2833 30 00 |
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Reference
| Reference Show more | 1. [IF=3.196] Yue He et al."Infrared spectroscopic identification of mineral drugs in herbal preparations with thermogravimetry-guided thermal separation–A case study of alum in a herbal powder for oral ulcer."J Mol Struct. 2022 Feb;1249:131581 |
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Reference Information
Open Data Unverified Data
| pH range of acid-base indicator discoloration | 2.6 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| purpose | sewage purification is used as a coagulant. The leather-making industry is used as a post-treatment agent for aluminium tanning agents and pelt. The dye industry is used as an anti-dye agent. The paper industry is used as a sizing agent for paper sizing. The glass industry is used as a colorant for yellow glass. It is used as an astringent in medicine. The printing and dyeing industry is used as a mordant. In addition, it is also used in pigment, electroplating, starch and other industrial sectors. Food-grade products are used as buffers, bulking agents, etc. used as analytical reagent, mordant and water softener used as artificial gem raw material. |
| production method | aluminum sulfate solution is formed by reacting aluminum hydroxide with sulfuric acid, and the pH value of the solution is adjusted by adding ammonia water, filtered, crystallized, after heating and dissolving, ammonium sulfate is added to generate aluminum ammonium sulfate, which is then filtered, crystallized, redissolved, filtered, and cooled to crystallize to prepare a finished aluminum ammonium sulfate product. Its 2AI(OH)3 3H2SO4 → A12(SO4)3 6H2OA12(SO4)3 (NH4)2SO4 24H2O →(NH4)2SO4? Al2(SO4)3? 24H2O synthesis method with sulfuric acid decomposition of bauxite to produce aluminum sulfate solution, adding ammonium sulfate reaction at 100 ℃, after cooling crystallization, centrifugal separation, washing, drying aluminum ammonium sulfate. A12O3 3H2SO4 → A12(SO4)3 3H2OA12(SO4)3 (NH4)2SO4 12H2O → 2NH4AI(SO4)2? 12H2O aluminum hydroxide method with sulfuric acid and aluminum hydroxide reaction, sedimentation after adding ammonium sulfate reaction, after cooling crystallization, centrifugal separation, drying, prepared aluminum ammonium sulfate product. Its 2Al(OH)3 3H2SO4 → A12(SO4)3 6H2OA12(SO4)3 (NH)2SO4 12H2O → 2NH4 A1(SO04)2? 12H2O |
Last Update：2024-04-09 19:43:38
ALUMINUM AMMONIUM SULFATE DODECAHYDRATE ACS REAGENT - Introduction
It has a slightly sweet astringent flavor. Lose 10 molecules of crystal water at 120 ℃, further lose water at 250 ℃, and decompose above 280 ℃. Its aqueous solution is acidic.
Last Update：2022-10-16 17:28:47
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Multiple Specifications
Product Name: Aluminum Ammonium Sulfate Dodecahydrate(Technical Grade) Request for quotationCAS: 7784-26-1
Tel: 0714-3999186
Email: 2853786052@qq.com
Mobile: 86+15671228036
QQ: 2853786052
Wechat: 15671228036
Spot supply
Product Name: Aluminum ammonium sulfate Visit Supplier Webpage Request for quotationCAS: 7784-26-1
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409
Wechat: 18301782025
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