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Sodium Methyl Hydroxybenzoate or Sodium Methylparaben Manufacturer Exporter BP Ph Eur USP NF Food Grade Manufacturer Exporter
Crystal Clear Products is a manufacturer exporter company manufacturing several chemicals including Sodium Methyl Hydroxybenzoate or Sodium Methylparaben and IP BP Ph Eur USP NF JP ACS AR Analytical Reagent FCC Food Grade, Pharmaceutical Chemicals at best prices. The group has offices and factories in India USA and UAE and toll manufacturers in China and sells to almost every country in the world.
The manufacturing facilities of our partner manufacturers have one or more of FDA-cGMP-GLP certification, ISO-9001 certification, Halal and/or Kosher certification, REACH pre-registration ISO-22000 HACCP. We also allow third party inspection of products offered. We can offer small quantities from laboratory and trial packs to large shipments of container loads of material.
Hazard Statements:
H302: Harmful if swallowed
H315: Causes skin irritation.
H318: Causes serious eye damage.
H401: Toxic to aquatic life.
Signal Word: Danger
Transport Information
DOT USA, TDG Canada & ADR/RID Europe: Not dangerous goods.
IMO/IMDG: Not dangerous goods.
IATA/ICAO: Not dangerous goods.
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Sodium Methyl Hydroxybenzoate or Sodium Methylparaben SDS of Manufacturers
CAS Number 5026-62-0 Sodium Methyl Hydroxybenzoate or Sodium Methylparaben, EINECS: 225-714-1, Molecular Weight: 174.13, Chemical Formula: C8H7NaO3
Methylparaben Sodium USP NF Grade Specifications
Methylparaben Sodium contains not less than 98.5 percent and not more than 101.5 percent of C8H7NaO3, calculated on the anhydrous basis.
Completeness of solution: One g of it, dissolved in water, meets the requirement.
Identification:
A: Dissolve 0.5 g in 5 mL of water, acidify with hydrochloric acid, and filter the resulting precipitate. Wash the precipitate with water, and dry it over silica gel for 5 hours: the IR absorption spectrum of a mineral oil dispersion of it exhibits maxima only at the same wavelengths as that of a similar preparation of USP Methylparaben.
B: Ignite about 0.3 g, cool, and dissolve the residue in about 3 mL of 3 N hydrochloric acid. A platinum wire dipped in this solution imparts an intense, persistent yellow color to a nonluminous flame.
pH: between 9.5 and 10.5, in a solution (1 in 1000).
Water: not more than 5.0%.
Chloride: A 0.2-g portion shows no more chloride than corresponds to 0.10 mL of 0.020 N hydrochloric acid (0.035%).
Sulfate: A 0.25-g portion shows no more sulfate than corresponds to 0.30 mL of 0.020 N sulfuric acid (0.12%).
Sodium Methyl Hydroxybenzoate BP Ph Eur Grade Specifications
Sodium Methylparaben
Sodium Methyl Parahydroxybenzoate, Ph Eur
C8H7NaO3 --- 174.1 --- CAS 5026-62-0
Action and use: Antimicrobial preservative.
DEFINITION
Sodium methyl parahydroxybenzoate contains not less than 99.0 per cent and not more than the equivalent of 102.0 per cent of sodium 4-(methoxycarbonyl)phenolate, calculated with reference to the anhydrous substance.
CHARACTERS
A white or almost white, crystalline powder, freely soluble in water, sparingly soluble in alcohol, practically insoluble in methylene chloride.
IDENTIFICATION
First identification A, B, E.
Second identification A, C, D, E.
A. Dissolve 0.5 g in 50 ml of water. Immediately add 5 ml of hydrochloric acid. Filter and wash the precipitate with water. Dry under vacuum at 80C for 2 h. The precipitate obtained melts at 125C to 128C.
B. Examine the precipitate obtained in identification test A by infrared absorption spectrophotometry, comparing with the spectrum obtained with methyl parahydroxybenzoate CRS.
C. Examine the chromatograms obtained in the test for related substances. The principal spot in the chromatogram obtained with test solution (b) is similar in position and size to the principal spot in the chromatogram obtained with reference solution (c).
D. To about 10 mg in a test-tube add 1 ml of sodium carbonate solution, boil for 30 s and cool. Add 5 ml of aminopyrazolone solution and 1 ml of potassium ferricyanide solution and mix. An orange to red colour develops.
E. To 1 ml of solution S (see Tests) add 1 ml of water. The solution gives reaction (a) of sodium.
TESTS
Solution S: Dissolve 5.0 g in carbon dioxide-free water prepared from distilled water and dilute to 50 ml with the same solvent.
Appearance of solution: Solution S examined immediately after preparation is clear and not more intensely coloured than reference solution.
pH: Dilute 1 ml of solution S to 100 ml with carbon dioxide-free water. The pH of the solution is 9.5 to 10.5.
Related substances: To pass the test.
Chlorides: To 10 ml of solution S, add 30 ml of water and 1 ml of nitric acid and dilute to 50 ml with water. Shake and filter. Dilute 10 ml of the filtrate to 15 ml with water. The solution complies with the limit test for chlorides (350 ppm). Prepare the standard using 14 ml of chloride standard solution (5 ppm Cl) to which 1 ml of water has been added.
Sulphates: To 25 ml of solution S, add 5 ml of distilled water and 10 ml of hydrochloric acid and dilute to 50 ml with distilled water. Shake and filter. Dilute 10 ml of the filtrate to 15 ml with distilled water. The solution complies with the limit test for sulphates (300 ppm).
Heavy metals: 2.0 g complies with limit test C for heavy metals (10 ppm). Prepare the standard using 2 ml of lead standard solution (10 ppm Pb).
Water: Not more than 5.0 per cent, determined on 0.500 g by the semi-micro determination of water.
Contact for Monograph, Uses, Matnfacturing Process, etc of Sodium Methyl Hydroxybenzoate or Sodium Methylparaben and JP IP BP Ph Eur USP NF FCC Food AR ACS Reagent Grade Manufacturer Supplier Exporter
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Last updated
11/19/2022
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