ChemicalBook >> CAS DataBase List >>Kaolinite
Kaolinite
- CAS No.
- 1318-74-7
- Chemical Name:
- Kaolinite
- Synonyms
- KAOLINITE;KAOLINITE, NATURAL;AluminiumsilicateQP;Kaolinite (Al2(OH)4(Si2O5));Colloidal Kaolin - USP BC 2747;C. I. Pigment White 19 (77004);Dialuminum disilicon pentaoxide tetrahydroxide
- CBNumber:
- CB3502383
- Molecular Formula:
- Al2H4O9Si2
- Molecular Weight:
- 258.160436
- MDL Number:
- MFCD00077645
- MOL File:
- 1318-74-7.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-04-24 14:58:15
| Melting point | 560-600 °C (decomp) |
|---|---|
| Density | 2.596 g/cm3 |
| form | powder |
| InChI | 1S/2Al.O2Si.3O/c;;1-3-2;;; |
| InChIKey | HNPSIPDUKPIQMN-UHFFFAOYSA-N |
| SMILES | O=[Si]=O.O=[Al]O[Al]=O |
| EPA Substance Registry System | Kaolinite (Al2(OH)4(Si2O5)) (1318-74-7) |
| UNSPSC Code | 12352106 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| PPE | Eyeshields, Gloves, type N95 (US) |
|---|---|
| WGK Germany | 3 |
| TSCA | TSCA listed |
| Storage Class | 11 - Combustible Solids |
Kaolinite price More Price(12)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 03584 | Kaolinite natural | 1318-74-7 | 250g | $39.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | 03584 | Kaolinite natural | 1318-74-7 | 1kg | $76.7 | 2026-04-30 | Buy |
| Biosynth | BAA31874 | Kaolinite | 1318-74-7 | 0.5kg | $171.88 | 2026-06-04 | Buy |
| Biosynth | BAA31874 | Kaolinite | 1318-74-7 | 1kg | $275 | 2026-06-04 | Buy |
| Chem-Impex | 36506 | Kaolinite ≥95% | 1318-74-7 | 250G | $41.8 | 2026-05-19 | Buy |
Kaolinite Chemical Properties, Uses, Production
Chemical Properties
Off-white powder with a soft, white texture. Density 2.54-2.60 mg/cm. Melting point approximately 1785°C. Excellent light resistance and very stable to dilute acids and alkalis.
Physical properties
Habit: platy, massive.
Color: white, brownish white, grayish white, yellowish white,
or grayish green.
Diaphaneity: transparent to translucent.
Luster: earthy (i.e., dull).
Streak: white.
Cleavage: (001) perfect.
Fracture: flexible.
Uses
Kaolinite can be used:
- In the preparation of of polysialate polymers.
- To prepare mullite composites by sintering kaolinite and alumina.
- To synthesize microporous materials such as zeolite Linde Type A (LTA) and kaoline based silicoaluminophosphate (SAPO) molecular sieves.
- In the synthesis of terbium pyridine-picolinate grafted kaoline, as a luminescent hybrid material.
- As a filler and a coating pigment in the paper industry.
Kaolinite Preparation Products And Raw materials
Kaolinite Suppliers
Global Suppliers ( 34)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
| Shanghai Macklin Biochemical Co.,Ltd. | 15221275939 15221275939 | shenlinxing@macklin.cn | China | 15775 | 55 |
| Sigma-Aldrich | 021-61415566 800-8193336 | orderCN@merckgroup.com | China | 51389 | 80 |
| Shanghai YuanYe Biotechnology Co., Ltd. | 15026964105 | 2881489226@qq.com | China | 89667 | 60 |
| JinJin Le Chemical Co., Ltd | 18001959627(微信同号) 18001959627 | jjlchem2@163.com | China | 9890 | 58 |
| Rhawn Reagent | 400-400-1332688 18019345275 | huyue@rhawn.cn | China | 14942 | 58 |
| Beijing Minruida Technology Co., Ltd. | 010-82387566 | sales@mreda.com.cn | China | 19323 | 58 |
| Alfa Chemistry | +1-5166625404; | Info@alfa-chemistry.com | United States | 20000 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +86-189 4982 3763 | sales@tnjchem.com | China | 34526 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-17392712779 | 1097@dideu.com | China | 3989 | 58 |
Dialuminum disilicon pentaoxide tetrahydroxide
KAOLINITE, NATURAL
AluminiumsilicateQP
Kaolinite (Al2(OH)4(Si2O5))
C. I. Pigment White 19 (77004)
Colloidal Kaolin - USP BC 2747
KAOLINITE
1318-74-7
Al2O32SiO22H2O
