Bentonite

Modify Date: 2024-01-02 14:35:47

Bentonite structure	Common Name	Bentonite
	CAS Number	1302-78-9	Molecular Weight	284.181
	Density	1.5±0.1 g/cm3	Boiling Point	381.8±37.0 °C at 760 mmHg
	Molecular Formula	Al₂H₂O₁₂Si₄	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	184.7±26.5 °C

Name	Bentonite
Synonym	More Synonyms

Density	1.5±0.1 g/cm3
Boiling Point	381.8±37.0 °C at 760 mmHg
Molecular Formula	Al₂H₂O₁₂Si₄
Molecular Weight	284.181
Flash Point	184.7±26.5 °C
Exact Mass	284.060425
PSA	189.16000
LogP	2.24
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.503
Stability	Stable.
Water Solubility	Practically insoluble in water and in aqueous solutions. It swells with a little water forming a malleable mass. \| Insoluble in water and forms a colloidal solution.

Bentonite MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CT9450000

CHEMICAL NAME :: Bentonite

CAS REGISTRY NUMBER :: 1302-78-9

LAST UPDATED :: 199710

WISWESSER LINE NOTATION :: .AL2.SI4.C10.Q2.QH#

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 35 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - acute pulmonary edema

REFERENCE :: BSIBAC Bolletino della Societe Italiana di Biologia Sperimentale. (Casa Editrice Idelson, Via A. de Gasperi, 55, 80133 Naples, Italy) V.2- 1927- Volume(issue)/page/year: 44,1685,1968

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 10 mg/kg

TOXIC EFFECTS :: Vascular - thrombosis distant from injection site

REFERENCE :: JCINAO Journal of Clinical Investigation. (Rockefeller Univ. Press, 1230 York Ave., New York, NY 10021) V.1- 1924- Volume(issue)/page/year: 42,860,1963 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 12000 gm/kg/28W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

REFERENCE :: ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877- Volume(issue)/page/year: 57,678,1954 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 90340 No. of Facilities: 22741 (estimated) No. of Industries: 169 No. of Occupations: 130 No. of Employees: 286502 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1608 No. of Facilities: 70 (estimated) No. of Industries: 3 No. of Occupations: 3 No. of Employees: 1732 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9436 No. of Facilities: 171 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 6525 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9494 No. of Facilities: 115 (estimated) No. of Industries: 4 No. of Occupations: 3 No. of Employees: 11850 (estimated) No. of Female Employees: 11045 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 90340 No. of Facilities: 31430 (estimated) No. of Industries: 212 No. of Occupations: 147 No. of Employees: 545795 (estimated) No. of Female Employees: 36750 (estimated)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xn
Risk Phrases	R20/22;R8
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	CT9450000
HS Code	3802900090

HS Code	3802900090

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Bentonite
Price: Click To Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Bentonite
Price: ￥88.0/500g
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Bentonite
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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