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Specifications, Properties, Uses, SDS of Bentonite USP NF BP Ph Eur Grade Manufacturer Supplier Exporter Wholesale & Small Packs, CAS Number 1302-78-9. |
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Muby Chem Pvt. Ltd. is a several decades old group of companies, engaged in manufacturing, supplying, distributing, wholesale supplies of Bentonite for actual users, including retail or small pack supplies for research and development work.
We supply fine and speciality chemicals, pharmaceutical excipients, mineral fortifiers in chemically pure, analytical reagent grade, IP BP USP Ph Eur EP JP and other pharmaceutical grade monograph including FCC Food grade chemicals and Nutraceuticals at best prices. We and/or our associated units have all the facilities to supply as per cGMP standard observing good manufacturing practice and good laboratory practice. We can assure low microbial count and also offer a test certificate for the same. We maintain warehouses across USA, India, and UAE. Our group exports to USA, Canada, Mexico, Argentina, Brazil, Chile, Korea, Malaysia, Thailand, Indonesia, Europe, and several other parts of the world. We supply in wholesale container loads to small pack of few grams. Solid products may be specified for it size and shape as desired by the buyer.
Bentonite CAS Number 1302-78-9
For Properties Specifications Uses of Bentonite Click Properties, Specifications, Uses, Price, Process of Bentonite Manufacturer.
For For SDS MSDS Sheet of Bentonite Click SDS Safety Data Sheet MSDS Sheet of Bentonite Manufacturer.
The Properties, Specifications, Monograph and Uses of Bentonite:
CAS Number: 1302-78-9, EINECS EC Number: 215-108-5, Molecular Formula: ---, Molecular Weight: ---, HS Code 25081090
Bentonite is a highly absorbent, viscous plastic clay which is a valuable binding, sealing, absorbing and lubricating agent in a huge variety of industries and applications. Bentonite is an absorbent swelling clay consisting mostly of montmorillonite. Its swelling property is used to advantage in drilling mud and groundwater sealants. Bentonite is a valuable adsorbent. Bentonites are used for decolorizing various mineral, vegetable, and animal oils. They are also used for clarifying wine, liquor, cider, beer, mead, and vinegar. Bentonite is used as an inert carrier for pesticides, fertilizer, and fire retardants. Bentonite is used as a filler in a wide variety of products, including adhesives, cosmetics, paint, rubber, and soaps. It also acts as a stabilizer and extender in these products. Bentonite has been prescribed as a bulk laxative, and it is also used as a base for many dermatologic formulas. Bentonite desiccants have been successfully used to protect pharmaceutical, nutraceutical, and diagnostic products from moisture degradation and extend shelf life. In fact, in the most common package environments, bentonite desiccants offer a higher adsorption capacity than silica gel desiccants. Bentonite complies with the FDA for contact with food and drugs. Bentonite is used in industry and emergency response as a chemical absorbent and container sealant.
Bentonite USP NF Grade Specifications:
Bentonite CAS 1302-78-9
DEFINITION
Bentonite is a native, colloidal, hydrated aluminum silicate.
IDENTIFICATION
A. X-Ray Diffraction: to pass the test.
Test preparation: Transfer 8.0 g to a 250-mL beaker containing 100 mL of dilute hydrochloric acid (1 in 25), mix, and cover with a watch glass. Boil gently, with occasional stirring, for 15 min without allowing excessive foaming. Pass the hot supernatant through a rapid-flow filter paper into a 200-mL volumetric flask, and wash with four 25-mL portions of hot dilute hydrochloric acid (1 in 25), collecting the washings in the volumetric flask. Cool the combined filtrates to room temperature and add dilute hydrochloric acid (1 in 25) to volume. Transfer 25 mL of this solution to a generator flask and dilute with water to 35 mL.
Standard preparation: Transfer 5 mL of Standard Arsenic Solution (5 µg) to a generator flask and dilute with water to 35 mL.
Analysis: Proceed as directed in the chapter, determining the absorbances.
Acceptance criteria: NMT 5 ppm; the absorbance due to any red color from the Test preparation does not exceed that produced by the Standard preparation.
Lead: to pass the test by Atomic absorption spectrophotometry. --- (40 µg/g).
Microbial Enumeration Tests and Tests for Specified Microorganisms: Meets the requirements of the test for absence of Escherichia coli.
pH:
Analysis: Disperse 4.0 g in 200 mL of water, mixing vigorously to facilitate wetting.
Acceptance criteria: 9.5 to 10.5
Loss on Drying:
Analysis: Dry at 105C for 2 h.
Acceptance criteria: 5.0% to 8.0%
Gel Formation: Mix 6 g with 300 mg of magnesium oxide. Add the mixture, in several divided portions, to 200 mL of water contained in a blender of approximately 500-mL capacity. Blend thoroughly for 5 min at high speed, transfer 100 mL of the mixture to a 100-mL graduated cylinder, and allow to remain undisturbed for 24 h. NMT 2 mL of supernatant appears on the surface.
Swelling Power: To 100 mL of water contained in a glass-stoppered cylinder of 100-mL capacity add 2 g in portions, dropping it upon the surface of the water, and allow each portion to settle before adding the next. The mass at the bottom gradually swells until it occupies an apparent volume of NLT 24 mL at the end of a 2-h period.
Fineness of Powder: Sprinkle 2 g on 20 mL of water contained in a mortar. Allow to swell, disperse evenly with a pestle, and dilute with water to 100 mL. Pour the suspension through a No. 200 standard sieve and wash the sieve thoroughly with water. No grit is felt when the fingers are rubbed over the wire mesh of the sieve.
Packaging and Storage: Preserve in tight containers.
Purified Bentonite USP NF Grade Specifications:
DEFINITION
Purified Bentonite is a colloidal montmorillonite that has been processed to remove grit and nonswellable ore components.
IDENTIFICATION
A. X-Ray Diffraction: To pass the test.
ASSAY
Aluminum Content and Magnesium Content: To pass the test by Atomic Absorption Spectroscopy.
Acceptance criteria: The ratio of the aluminum content to the magnesium content is 3.5 to5.5.
Lead: To pass the test by Atomic Absorption Spectroscopy. --- (15 µg/g).
Microbial Enumeration Tests and Tests for Specified Microorganisms: Its total aerobic microbial count does not exceed 1 x 1000 cfu/g, and it meets the requirements of the test for absence of Escherichia coli.
pH:
Sample suspension: 50 mg/mL
Acceptance criteria: 9.0 to 10.0
Loss on Drying:
Analysis: Dry at 110C to constant weight.
Acceptance criteria: NMT 8.0%
Viscosity: To pass the test. ---- 40 to 200 centipoises.
Acid Demand:
Sample: After determining Loss on Drying, weigh a quantity of Purified Bentonite equivalent to 5.00 g.
Analysis: Disperse the Sample in 500 mL of water with the aid of a suitable blender fitted with a 1-L jar. Using a stopwatch, designate zero time. With constant mixing, add 3.0-mL portions of 0.100 N hydrochloric acid at 5, 65, 125, 185, 245, 305, 365, 425, 485, 545, 605, 665, and 725 s, and add a 1.0-mL portion at 785 s. Determine the pH potentiometrically at 840 s.
Acceptance criteria: NMT 4.0
Packaging and Storage: Preserve in tight containers.
Bentonite BP Ph Eur Grade Specifications
CAS 1302-78-9
DEFINITION
Natural clay containing a high proportion of montmorillonite, a native hydrated aluminium silicate in which some aluminium and silicon atoms may be replaced by other atoms such as magnesium and iron.
CHARACTERS
Appearance: Very fine, homogeneous, greyish-white powder with a more or less yellowish or pinkish tint.
Solubility: Practically insoluble in water and in aqueous solutions. It swells with a little water forming a malleable mass.
IDENTIFICATION
A. To 0.5 g in a metal crucible add 1 g of potassium nitrate and 3 g of sodium carbonate and heat until the mixture melts. Allow to cool. To this residue add 20 ml of boiling water, mix and filter. Wash the insoluble residue with 50 ml of water. To this residue add 1 ml of hydrochloric acid and 5 ml of water. Filter. To the filtrate add 1 ml of strong sodium hydroxide solution and filter. To this filtrate add 3 ml of ammonium chloride solution. A gelatinous white precipitate is formed.
B. Swelling power with water (see Tests).
C. 0.25 g gives the reaction of silicates.
TESTS
Alkalinity: To 2 g add 100 ml of carbon dioxide-free water and shake for 5 min. To 5 ml of this suspension add 0.1 ml of thymolphthalein solution. The liquid becomes bluish. Add 0.1 ml of 0.1 M hydrochloric acid . The liquid is decolourised within 5 min.
Coarse particles: Maximum 0.5 per cent.
To 20 g add 1000 ml of water and mix for 15 min using a high-speed mixer capable of operating at not less than 5000 r/min. Transfer the suspension to a wet sieve (75), tared after drying at 100-105C. Wash with 3 quantities, each of 500 ml, of water, ensuring that any agglomerates have been dispersed. Dry the sieve at 100-105C and weigh. The particles on the sieve weigh a maximum of 0.1 g.
Sedimentation volume: To 6.0 g add 200 ml of water and mix for 20 min using a high-speed mixer capable of operating at 10000 r/min. Transfer 100 ml of this suspension to a graduated cylinder. Allow to stand for 24 h. The volume of the clear supernatant liquid is not greater than 2 ml.
Swelling power with water: Add 2.0 g in 20 portions to 100 ml of a 10 g/l solution of sodium laurilsulfate in a 100 ml graduated cylinder about 30 mm in diameter. Allow 2 min between additions for each portion to settle. Allow to stand for 2 h. The apparent volume of the sediment is not less than 22 ml.
Heavy metals: Maximum 50 ppm.
Loss on drying: Maximum 15 per cent, determined on 1.000 g by drying in an oven at 105C.
Microbial contamination: Total viable aerobic count not more than 103 micro-organisms per gram, determined by plate-count.
The MSDS-SDS Hazard Statement of Bentonite:
Bentonite SDS, Safety Data Sheet
MSDS, Material Safety Data Sheet 31-Jul-21
Section 1: Chemical Product and Company Identification
Product Name & Other Names: Bentonite or Montmorillonite
CAS Number: 1302-78-9
Relevant Uses: Industrial and Laboratory use only.
Supplier: As per letterhead.
Section 2: Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Labeling according to GHS & Regulation (EC) No 1272/2008
GHS Label Elements NONE |
Signal Word: None
Precautionary statements:
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P304 + P340 - IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+313: If eye irritation persists get medical advice/attention.
Section 3: Composition and Information on Ingredients
Product Name & Other Names: Bentonite or Montmorillonite
CAS Number: 1302-78-9
EINECS EC Number: 215-108-5
% by Weight: 95-100%
Section 4: First Aid Measures
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention if irritation occurs.
Skin Contact: Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt, or waistband.
Section 5: Fire and Explosion Data
Flammability of the Product: Nonflammable.
Products of Combustion: Aluminum oxide, silicon oxides.
Fire Hazards in Presence of Various Substances: Not available.
Risks of explosion of the product in presence of mechanical impact: Not available.
Fire Fighting Media and Instructions: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Extinguishing Media Not recommended: None specified.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.
Section 6: Accidental Release Measures
Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment cleanup procedures and Storage: Do not inhale dust, vapors, mist, or gas. Avoid dust formation. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate as per law.
Section 7: Handling and Storage
Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents and acids.
Section 8: Exposure Controls/Personal Protection
Exposure Limits: Contains no substances with occupational exposure limit values.
Engineering Controls: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume, or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.
Section 9: Physical and Chemical Properties
Physical state and appearance: Beige or grayish solid.
Odor: Not available.
Odor threshold: Not available.
pH (1% soln/water): 6-9.
Relative density: around 2.4
Melting point/freezing point: Not available.
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Insoluble in cold water, hot water.
Viscosity: Not available.
Section 10: Stability and Reactivity Data
Stability: It is stable.
Conditions of Instability: Excess heat, incompatible materials.
Incompatibility with various substances: Strong acids and strong oxidizing agents.
Special Remarks on Reactivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Toxicity to Animals: LD50 Intravenous - rat - 35 mg/kg
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as possible or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
Teratogenic Effects: Not available.
Mutagenic Effects: Not available.
Developmental Toxicity: Not available.
Reproductive Effects: No information available.
Section 12: Ecological Information
Toxicity to fish LC50: Oncorhynchus mykiss (rainbow trout) - 19,000 mg/l - 96 h
Persistence and Degradability: No information available.
Mobility: No information available.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.
Section 13: Disposal Considerations
Waste Disposal: Waste must be disposed of in accordance with environmental control regulations.
Section 14: Transport Information
Land Transport DOT USA, TDG Canada & ADR/RID Europe: Not dangerous goods.
Sea Transport IMO/IMDG: Not dangerous goods.
Air Transport ICAO/IATA: Not dangerous goods.
Section 15: Other Regulatory Information
USA:
SARA 311/312 Hazards: See section 2.
California Prop. 65 Components: This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm.
16. Other Information
DISCLAIMER: The information and recommendations set forth herein are presented in good faith and believed correct as of the date hereof. It is compiled from various sources, and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules, or insurance requirements applicable. This SDS MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a professionally trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. This shall not constitute a guarantee for any specific product features and shall not establish a legally valid contractual relationship. In no case shall our company be liable to loss or damages by the product user.
Bentonite Manufacturers, Suppliers, Exporters, Wholesalers:
King of Chemicals manufacturers
Plot No. 2900/46&47 + 2900/163to167, GIDC, Ankleshwar, Dist. Bharuch, India
India, USA, UAE
TEL: (Office) 91-22-23774610, 91-22-23723564
e-mail: info@kingofchemicals.com
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Our products are for industrial and laboratory use only. The user must test the material before use. We are not dispensing chemists or druggist and do not offer over the counter type (OTC) products for medical use by individuals.
We and our associates manufacture pure chemicals surpassing Monograph Specifications of Analytical Reagent Standards, British & European Pharmacopoeia BP Ph Eur EP Standard, US Pharmacopoeia USP NF Standard, Indian Pharmacopoeia IP Standard, Japan Pharmacopoeia JP Standard, FCC Food Grade Standard. |
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Dihydroxyaluminum Aminoacetate |
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