Bentonite

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.
CAS DataBase Reference :1302-78-9
EPA Substance Registry System :Bentonite (1302-78-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P321 Specific treatment (see … on this label). P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse.