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Sodium Propyl Hydroxybenzoate or Sodium Propylparaben Manufacturer Exporter BP Ph Eur USP NF Food Grade Manufacturer Exporter
Crystal Clear Products is a manufacturer exporter company manufacturing several chemicals including Sodium Propyl Hydroxybenzoate or Sodium Propylparaben 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:
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.
Not considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200)
Signal Word: None
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 Propyl Hydroxybenzoate or Sodium Propylparaben SDS of Manufacturers
CAS Number 35285-69-9 Sodium Propyl Hydroxybenzoate or Sodium Propylparaben, EINECS: 252-488-1, Molecular Weight: 202.18, Chemical Formula: C10H11NaO3
Propylparaben Sodium USP NF Grade Specifications
Propylparaben Sodium contains not less than 98.5 percent and not more than 101.5 percent of C10H11NaO3, 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 Propylparaben.
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 Propyl Hydroxybenzoate BP Ph Eur Grade Specifications
Sodium Propylparaben
Sodium Propyl Parahydroxybenzoate, Ph Eur Specifications
C10H11NaO3 --- 202.2 --- CAS 35285-69-9
Action and use: Antimicrobial preservative.
DEFINITION
Sodium propyl parahydroxybenzoate contains not less than 99.0 per cent and not more than the equivalent of 104.0 per cent of sodium 4-(propoxycarbonyl)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 at 80C in vacuo for 2 h. The melting point of the precipitate is 96C to 99C.
B. Examine the precipitate obtained in identification test A by infrared absorption spectrophotometry, comparing with the spectrum obtained with propyl 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 Propyl Hydroxybenzoate or Sodium Propylparaben 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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