cGMP, GLP - FDA Approved, ISO 9001, ISO 14001, ISO 17025, ISO 45001, HACCP, FSSC 22000, FSSAI, "REACH" Registered, Kosher & Halal Certified. We observe WHO Good Manufacturing Practice GMP and Good Laboratory Practice GLP.
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Selenious Acid USP Grade Manufacturers
Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA, Dubai and UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.
Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO 9001, ISO 14001, ISO 17025, ISO 45001, ISO 22000, HACCP, FSSAI, FSSC 22000, Halal and Kosher certified. We are registered with "REACH" for export to European countries. Solid materials can be customized for particle size, shape and bulk density. We observe WHO Good Manufacturing Practice and Good Laboratory Practice. We are a STAR Export House and “Authorised Economic Operator” as per Indian customs.
Selenious Acid SDS of Manufacturers
Synonyms: Selenium dioxide, monohydrated
CAS Number: 7783-00-8, Molecular Weight: 128.97, Chemical Formula: H2SeO3, EINECS EC Number: 231-974-7, FEMA: ----,
Selenious Acid USP Grade
H2SeO3 -- 128.97
Selenium dioxide, monohydrated.
Selenious acid [7783-00-8].
Selenious Acid contains not less than 93.0 percent and not more than 101.0 percent of H2SeO3.
A: Dissolve about 50 mg in 5 mL of water, add about 100 mg of sodium bicarbonate, and mix: gas bubbles develop.
B: Dissolve about 50 mg in 5 mL of 0.1 N hydrochloric acid, and add about 50 mg of stannous chloride: a curdy tan-orange precipitate is formed.
Residue on ignition: not more than 1.0 mg, from 10.0 g (0.01%).
Insoluble matter: Dissolve 1 g in 5 mL of water: it dissolves completely and the solution is clear.
Selenate and sulfate: Dissolve about 0.5 g in 10 mL of water, add 0.1 mL of hydrochloric acid and 1 mL of barium chloride, and mix: no turbidity or precipitate is formed in 10 minutes.
Assay: Transfer about 100 mg of Selenious Acid, accurately weighed, to a suitable glass-stoppered flask, and dissolve in 50 mL of water. Add 10 mL of potassium iodide solution (3 in 10) and 5 mL of hydrochloric acid, mix, insert the stopper in the flask, and allow to stand for 10 minutes. Add 50 mL of water and 3 mL of starch, and titrate with 0.1 N sodium thiosulfate until the solution is colorless, then titrate with 0.1 N iodine VS to a blue endpoint. Subtract the volume of 0.1 N iodine from the volume of 0.1 N sodium thiosulfate to obtain the volume of 0.1 N sodium thiosulfate equivalent to selenious acid. Each mL of 0.1 N sodium thiosulfate is equivalent to 3.225 mg of H2SeO3.
Taloja Mumbai and Ankleshwar, INDIA
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) +91 22 23726950, +91 22 23774610, +91 22 23723564
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Last updated 1-apr-21
Exporters to USA, Canada, UAE, Europe, South Africa, Tanzania, Kenya, Egypt, Turkey, Nigeria, Uganda, Brazil, Chile, Argentina, Dubai, Cameroon, Mexico, Brazil, Chile, Argentina, Korea, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, etc.
Representatives in New York, Houston - Texas, Chicago - Illinois, Los Angeles.
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USP Grade Manufacturers