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Magnesium Sulfate Anhydrous Monohydrate Dried Heptahydrate USP BP FCC Food ACS Reagent Grade Supplier Manufacturer's Representative

Epsom Salt; Magnesium Sulfate Monohydrate 138.36 CAS No.:14567-64-7 Chemical Formula: MgSO4.H2O
Magnesium Sulfate Heptahydrate Mol. Wt. 246.48 CAS No.:10034-99-8 Chemical Formula: MgSO4.7H2O
Magnesium Sulfate Anhydrous Mol. Wt. 120.37 CAS No.:7487-88-9 Chemical Formula: MgSO4

FInOrIC, etymologically derived from our business line of Fine Inorganic, Organic and Industrial Chemicals, is the internationally preferred source for Chemicals. With customers in 55 countries across 5 continents, we source and sell most chemicals. Backed by company owned & operated full-fledged chemical manufacturing facilities in Midland & Houston, Texas with associated manufacturing sites in India, Dubai and China we are a truly multi-national chemical manufacturer and distributor.

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The marked pharmaceutical and food grade chemicals are offered by our principals directly.

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Magnesium Sulfate BP IP USP ACS FCC
MSDS Sheet of Magnesium Sulfate Heptahydrate Manufacturers
MSDS Sheet of Magnesium Sulfate Anhydrous Manufacturers

Spanish Sulfato de magnesio heptahidratado anhidro

We offer magnesium sulfate or magnesium sulphate anhydrous with practically no moisture and of reagent grade for desication and research use.

Magnesium Sulfate
Technical & Pure Crystals, Anhydrous, Monohydrate, Heptahydrate
Also BP Ph Eur USP ACS AR LR FCC Food Grades Suppliers

Magnesium Sulfate Heptahydrate Magnesium Sulfate Anhydrous


Appearance Fine, White, Sparkling Crystals; free flowing
Molecular Formula MgSO4.7H2O Magnesium Sulphate Heptahydrate
Molecular Weight 246..47 g/mol
Bulk Density 0.92-0.95 kg/ lit
Solubility Readily Soluble in water
Purity as (MgSO4.7H2O) 99% min
Magnesium Oxide as (MgO) 16.20% min
Magnesium as Mg 9.70% min
Sulfur as (SO4) 38.60% min
Sulfur as (S) 12.70%min
Magnesium Sulfate as (MgSO4) 48.50% min Magnesium Sulphate
pH of 5% solution 7 + / - 0.5
>Chloride as (Cl) w/w 0.012 % max
Heavy Metals as (Pb) Not Detectable
Arsenic as (As) 1 ppm max
Iron as (Fe) 10 ppm max
MANGANESE AS (Mn) 10 ppm max


Appearance White powder
Molecular Formula MgSO4 Magnesium Sulphate
Molecular Weight 246..47 g/mol
Solubility Readily Soluble in water
Purity as (MgSO4) 99% min
Magnesium Oxide as (MgO) 132.66% min
Magnesium as Mg 19.6% min
Chloride as (Cl) w/w 0.02 % max
Heavy Metals as (Pb) Not Detectable
Arsenic as (As) 2 ppm max
Iron as (Fe) 10 ppm max
Insoluble 0.01%

We also offer Magnesium Sulphate BP Magnesium Sulfate USP FCC ACS AR and Magnesium Sulphate Anhydrous or Magnesium Sulfate Anhydrous from a world class FDA approved, ISO-9001-2008, ISO-22000-2005 HACCP Certified facility with Kosher & Halal approval.

Magnesium Sulfate USP Grade Specifications
Sulfuric acid magnesium salt (1:1), hydrate.
Magnesium sulfate (1:1) monohydrate 138.36
Magnesium sulfate (1:1) heptahydrate 246.48 [10034-99-8].
Anhydrous 120.37 [7487-88-9].

Magnesium Sulfate, rendered anhydrous by ignition, contains not less than 99.0 percent and not more than 100.5 percent of MgSO4.

Identification: A solution (1 in 20) responds to the tests for Magnesium and for Sulfate.
pH: between 5.0 and 9.2, in a solution (1 in 20).
Loss on drying: Dry it at 105 for 2 hours: the anhydrous form loses not more than 2% of its weight.
Loss on ignition: Weigh accurately about 1 g in a crucible, heat at 105 for 2 hours, then ignite in a muffle furnace at 450 ± 25 to constant weight: the monohydrate loses between 13.0% and 16.0% of its weight, the dried form loses between 22.0% and 28.0% of its weight, and the heptahydrate loses between 40.0% and 52.0% of its weight.
Chloride: A 1.0-g portion shows no more chloride than corresponds to 0.20 mL of 0.020 N hydrochloric acid (0.014%).
Heavy metals: Dissolve 2 g in 25 mL of water: the limit is 0.001%.
Selenium: The limit is 0.003%.

Dried Magnesium Sulphate BP Magnesium Sulfate Grade Specifications
Dried Epsom Salts
Magnesium Sulphate Dried is offered in BP grade

Dried Magnesium Sulphate contains not less than 62.0% and not more than 70.0% of MgSO4.
It may be prepared by drying magnesium sulphate at 100° until it has lost approximately 25% of its weight.

A white powder.
Freely soluble in water; dissolves more rapidly in hot water.

Yields the reactions characteristic of magnesium salts and of sulphates.

Acidity or alkalinity: To 10 ml of a 7.5% w/v solution in carbon dioxide-free water add 0.05 ml of phenol red solution. Not more than 0.2 ml of either 0.01M hydrochloric acid VS or 0.01M sodium hydroxide VS is required to change the colour of the solution.
Arsenic: 0.33 g dissolved in 25 ml of water complies with the limit test for arsenic, (3 ppm).
Heavy metals: Dissolve 1.3 g in 20 ml of water and add 1 g of ammonium chloride. 12 ml of the resulting solution complies with limit test A for heavy metals, Appendix VII. Use lead standard solution(1 ppm Pb) to prepare the standard (15 ppm).
Iron: 0.33 g dissolved in 10 ml of water complies with the limit test for iron, Appendix VII (30 ppm).
Chloride: 0.13 g dissolved in 15 ml of water complies with the limit test for chlorides, Appendix VII (400 ppm).
Insoluble matter: 7.5 g dissolves in 20 ml of water, producing a solution which may be slightly turbid at first but which becomes clear in a few minutes.

Magnesium Sulphate Heptahydrate BP Grade Specifications
Epsom Salts
MgSO4,7H2O   246.5    10034-99-8
Action and use: Osmotic laxative; used in treatment of electrolyte deficiency.

Content: 99.0 per cent to 100.5 per cent (dried substance).

Appearance: White or almost white, crystalline powder or brilliant, colourless crystals.
Solubility: Freely soluble in water, very soluble in boiling water, practically insoluble in ethanol (96 per cent).

A. It gives the reactions of sulphates.
B. It gives the reaction of magnesium.

Solution S: Dissolve 5.0 g in water R and dilute to 50 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
Acidity or alkalinity: To 10 ml of solution S add 0.05 ml of phenol red solution. Not more than 0.2 ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the indicator.
Chlorides: Maximum 300 ppm.
Arsenic: Maximum 2 ppm, determined on 0.5 g.
Iron: Maximum 20 ppm.
Heavy metals: Maximum 10 ppm.
Loss on drying: 48.0 per cent to 52.0 per cent, determined on 0.500 g by drying in an oven at 110-120°C for 1 h and then at 400°C to constant mass.

Magnesium Sulfate FCC Grade Specifications
Epsom Salt
MgSO4·xH2O Formula wt, monohydrate 138.38
Formula wt, heptahydrate 246.47
INS: 518 CAS: monohydrate [14168-73-1]
CAS: heptahydrate [10034-99-8]
CAS: dried [15244-36-7]
Magnesium Sulphate Dried is offered in FCC grade

Magnesium Sulfate occurs as a colorless crystal or a granular crystalline powder. It is produced with one or seven molecules of water of hydration or in a dried form containing the equivalent of about 2.3 waters of hydration. It is readily soluble in water, slowly soluble in glycerin, and sparingly soluble in alcohol.
Function: Nutrient.

Identification: A 1:20 aqueous solution gives positive tests for Magnesium and for Sulfate.
Assay: Not less than 99.5% of MgSO4 after ignition.
Lead: Not more than 4 mg/kg.
Loss on Ignition Monohydrate: Between 13.0% and 16.0%; Heptahydrate: Between 40.0% and 52.0%; Dried: Between 22.0% and 28.0%.
Selenium: Not more than 0.003%.

Magnesium Sulfate ACS Analytical Reagent Grade Specifications
Magnesium Sulfate Heptahydrate
MgSO4 - 7H2O
Formula Wt 246.48
CAS Number 10034-99-8

Assay: 98.0-102.0% MgSO4-7H2O
pH of a 5% solution: 5.0-8.2 at 25C

Insoluble matter: 0.005%
Chloride (Cl): 5 ppm
Nitrate (NO3): 0.002%
Ammonium (NH4): 0.002%
Calcium (Ca): 0.02%
Manganese (Mn): 5 ppm
Potassium (K): 0.005%
Sodium (Na): 0.005%
Strontium (Sr): 0.005%
Heavy metals (as Pb): 5 ppm
Iron (Fe): 5 ppm

Magnesium Sulfate Anhydrous Manufacturer
Magnesium Sulfate Monohydrate & Dried Manufacturers
Magnesium Sulfate Heptahydrate USP BP FCC Food ACS Reagent Grade Manufacturers:

Finoric LLC
Beasley Houston Pleasanton Midland, Texas, USA.
Also Oklahoma, OK and Williston, ND USA

Tel: 1-855-346-6742 (1-855-FINORIC)

We offer chemicals for industrial, laboratory and research use only. We are not drug dispensers or pharmacist. Our suppliers offer pharmaceutical grade products, manufactured under proper control for use in industries only.

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1 June, 2021