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21645-51-2

Basic Information
CAS No.: 21645-51-2
Name: Aluminum hydroxide
Molecular Structure:
Molecular Structure of 21645-51-2 (Aluminum hydroxide)
Formula: Al(OH)3
Molecular Weight: 78.01
Synonyms: Aluminum hydroxide;Ascriptin;Alumina trihydrate;Aluminum oxide trihydrate;Aluminum(III) hydroxide;Hydrated aluminum oxide;Trihydrated alumina;Trihydroxyaluminum;
EINECS: 244-492-7
Density: 2.40 g/cm3
Melting Point: 300 °C
Boiling Point: 2980℃[at 101 325 Pa]
Solubility: insoluble in water
Appearance: white amorphous powder
Hazard Symbols: IrritantXi
Risk Codes: 36
Safety: 26-36
PSA: 60.69000
LogP: -0.53040
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    Al(OH)3 %................................................................................................................................................................................99.5 min. SiO2 %................................................

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  • Aluminum hydroxide

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    21645-51-2

    Aluminum hydroxide

    Min.Order: 10 Gram

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    Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

    TaiChem was established in 2015 and registered in China medical city - Taizhou, Jiangsu Province. The company has about 1800 square meters of class A plant facility. TaiChem focuse

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    Business Type:Lab/Research institutions

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    Address:Changjiang Dadao 18

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  • Aluminum hydroxide

  • Casno:

    21645-51-2

    Aluminum hydroxide

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

    Zibo Dorne chemical technology co., LTD. is a biotechnology enterprise engaged in the R&D, production and sales of drugs, steroids, peptides, raw materials, vitamins, food additive

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  • high purityAluminum hydroxide

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    21645-51-2

    high purityAluminum hydroxide

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Consensus Reports

Reported in EPA TSCA Inventory.

Standards and Recommendations

ACGIH TLV: TWA 2 mg(Al)/m3
DFG MAK: 1.5 mg/m3

Specification

Aluminium Trihydrate are also known as Hydrate Alumina, Alumina Hydrate, Aluminium Tri Hydroxide, ATH, Aluminium Hydrate and Aluminium Hydroxide, which is a non-abrasive powder with a Mohs' hardness index of 2.5 - 3.5 and a specific gravity of 2.42. Aluminium Hydroxide is considered as one of the largest volume flame retardant as it can be heated to 200°C and hydrated alumina can be decomposed into 66% alumina and 34% water. Aluminium hydroxide is also used as an adsorbent, emulsifier, ion exchanger, mordant, antacid, and filtering medium. Further, Aluminium Hydroxide can also be used in manufacturing of paper, ceramics, printing inks, detergents, for waterproofing fabrics and in dentrifrices and antiperspirants.

Physical properties about Aluminium Trihydrate are: (1)H bond acceptors: 3; (2)H bond donors: 3; (3)Freely Rotating Bonds: 3; (4)Polar Surface Area: 60.69 ?2; (5)Melting Point: 300°C; (6)Density: 2.40;

Preparation of Aluminium Trihydrate: Virtually all the aluminium hydroxide used commercially is manufactured by the Bayer process which involves dissolving bauxite in sodium hydroxide at temperatures up to 270°C. The remaining solids, which is a red mud, is separated and aluminium oxide is precipitated from the remaining solution. This red mud is damaging to the environment and highly toxic. It is usually stored in large artificial lakes, this is what led to the Ajka alumina plant accident in 2010 in Hungary, killing nine people and injuring 122. The dam holding back the red mud burst allowing it to contaminate large areas of land and waterways. The aluminium oxide that is produced can be converted to aluminium hydroxide through reaction with water.

Uses of Aluminium Trihydrate: Annual production is some 100 million tonnes, over 90% of which is converted to aluminium oxide (alumina) that is used in the manufacture of aluminium metal. The major other uses of aluminium hydroxide is as a feedstock for the manufacture of other aluminium compounds: specialty calcined aluminas, aluminium sulfate, polyaluminium chloride, aluminium chloride, zeolites, sodium aluminate, activated alumina, aluminium nitrate.

You can still convert the following datas into molecular structure:
1.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2.Take off immediately all contaminated clothing;
3.After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer);
4.Do not empty into drains;
5.Never add water to this product;
6.Take precautionary measures against static discharges;
7.This material and its container must be disposed of in a safe way;
8.Wear suitable protective clothing;

You can still convert the following datas into molecular structure:
(1)InChI=1S/Al.3H2O/h;3*1H2/q+3;;;/p-3;
(2)InChIKey=WNROFYMDJYEPJX-UHFFFAOYSA-K;
(3)Smiles[Al](O)(O)O;

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child TDLo oral 79gm/kg/2Y-I (79000mg/kg) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)

MUSCULOSKELETAL: OSTEOMALACIA
Pediatrics. Vol. 71, Pg. 56, 1983.
 
child TDLo oral 122gm/kg/4D (122000mg/kg) GASTROINTESTINAL: OTHER CHANGES Journal of Pediatrics. Vol. 92, Pg. 592, 1978.
 
infant TDLo unreported 39gm/kg/24D-I (39000mg/kg) MUSCULOSKELETAL: OSTEOMALACIA New England Journal of Medicine. Vol. 310, Pg. 1079, 1984.
 
rat LDLo intraperitoneal 150mg/kg (150mg/kg)   Lancet. Vol. 1, Pg. 564, 1972.