A1207212
Bentonite , Bentone38, applied to the polar solvent system , 1302-78-9
Synonym(s):
K-Catalyst;Montmorillinite clay, bentonite;Montmorillonite;Nanomer clay;Nanomer PGV
CAS NO.：1302-78-9
Empirical Formula: Al2O3.4(SiO2).H2O
Molecular Weight: 360.31
MDL number: MFCD00130611
EINECS: 215-108-5
| Pack Size | Price | Stock | Quantity |
| 500G | RMB111.20 | In Stock |
|
| 2.5KG | RMB447.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Density | 2~3g/cm3 |
| solubility | Practically insoluble in water and in aqueous solutions. It swells with a little water forming a malleable mass. |
| form | powder |
| color | Light yellow or green, cream,pink, gray to black solid |
| Odor | odorless, sl. earthy taste |
| Water Solubility | Insoluble in water and forms a colloidal solution. |
| Merck | 14,1055 |
| Dielectric constant | 8.1（Ambient） |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| Stability: | Stable. |
Description and Uses
Bentonite is a light yellow, creamy, palebrown or gray to black powder or granules. These chemicals contain 1- 24% crystalline silica (O2Si). Specificgravity (H2O:1)=2.5. Hazard Identification (based onNFPA-704 M Rating System): Health 2, Flammability 1,Reactivity 0. Insoluble in water
filler in cosmetics and other products, gel, or solid if dry
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319-H315-H335 |
| Precautionary statements | P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P |
| Risk Statements | 20/22-8 |
| Safety Statements | 22-24/25 |
| WGK Germany | 3 |
| RTECS | CT9450000 |
| TSCA | Yes |
| Toxicity | LD50 intravenous in rat: 35mg/kg |
