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Sodium Lauryl Sulfate or Sodium Lauryl Sulphate Manufacturer Exporter BP Ph Eur USP NF Grade Manufacturer Exporter
Crystal Clear Products is a manufacturer exporter company manufacturing several chemicals including Sodium Lauryl Sulfate or Sodium Lauryl Sulphate 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:
H228: Flammable solid.
H302 + H332: Harmful if swallowed
H315: Causes skin irritation.
H318: Causes serious eye damage.
H335: May cause respiratory irritation.
H401: Toxic to aquatic life.
Signal Word: Danger
Transport Information
DOT USA, TDG Canada & ADR/RID Europe:
UN Number: 1325
UN proper shipping name: Flammable solids, organic, n.o.s. (Sodium dodecyl sulphate)
Transport hazard class(es): 4.1; Packaging group: III.
IATA:
UN Number: 1325
UN proper shipping name: Flammable solids, organic, n.o.s. (Sodium dodecyl sulphate)
Transport hazard class(es): 4.1; Packaging group: III.
IMDG/IMO:
UN Number: 1325
UN proper shipping name: Flammable solids, organic, n.o.s. (Sodium dodecyl sulphate)
Transport hazard class(es): 4.1; Packaging group: III.
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Sodium Lauryl Sulfate or Sodium Lauryl Sulphate SDS of Manufacturers
CAS Number 151-21-3 Sodium Lauryl Sulfate or Sodium Lauryl Sulphate, EINECS: 205-788-1, Molecular Weight: 288.37, Chemical Formula: NaC12H25SO4
Sodium Lauryl Sulfate USP NF Grade Specifications
Sulfuric acid monododecyl ester sodium salt.
Sodium monododecyl sulfate CAS 151-21-3
Sodium Lauryl Sulfate is a mixture of sodium alkyl sulfates consisting chiefly of sodium lauryl sulfate [CH3(CH2)10CH2OSO3Na]. The combined content of sodium chloride and sodium sulfate is not more than 8.0 percent.
Packaging and storage: Preserve in well-closed containers.
Identification:
A: Ignite about 500 mg at 800 until the carbon is consumed: the residue dissolved in 10 mL of water responds to the tests for Sodium.
B: A solution (1 in 10) after acidification with hydrochloric acid and gentle boiling for 20 minutes, responds to the tests for Sulfate.
Alkalinity: Dissolve 1.0 g in 100 mL of water, add phenol red, and titrate with 0.10 N hydrochloric acid: not more than 0.60 mL is required for neutralization.
Heavy metals: 0.002%.
Sodium chloride: Dissolve about 5 g, accurately weighed, in about 50 mL of water. Neutralize the solution with 0.8 N nitric acid, using litmus paper as the indicator, add 2 mL of potassium chromate, and titrate with 0.1 N silver nitrate. Each mL of 0.1 N silver nitrate is equivalent to 5.844 mg of NaCl.
Sodium sulfate:
Lead nitrate solution: Dissolve 33.1 g of lead nitrate in water to make 1000 mL.
Procedure: Transfer about 1 g of Sodium Lauryl Sulfate, accurately weighed, to a 250-mL beaker, add 35 mL of water, and warm to dissolve. To the warm solution add 2.0 mL of 1 N nitric acid, mix, and add 50 mL of alcohol. Heat the solution to boiling, and slowly add 10 mL of Lead nitrate solution, with stirring. Cover the beaker, simmer for 5 minutes, and allow to settle. If the supernatant is hazy, allow to stand for 10 minutes, heat to boiling, and allow to settle. When the solution is almost to a boiling point, decant as much liquid as possible through a 9-cm filter paper (Whatman No. 41 or equivalent). Wash four times by decantation, each time using 50 mL of 50 percent alcohol, and bring the mixture to a boil. Finally, transfer the filter paper to the original beaker, and immediately add 30 mL of water, 20.0 mL of 0.05 M EDTA disodium, and 1 mL of ammonia-ammonium chloride buffer. Warm to dissolve the precipitate, add 0.2 mL of eriochrome black and titrate with 0.05 M zinc sulfate. Each mL of 0.05 M EDTA disodium is equivalent to 7.102 mg of Na2SO4.
Unsulfated alcohols: Dissolve about 10 g, accurately weighed, in 100 mL of water, and add 100 mL of alcohol. Transfer the solution to a separator, and extract with three 50-mL portions of solvent hexane. If an emulsion forms, sodium chloride may be added to promote separation of the two layers. Wash the combined solvent hexane extracts with three 50-mL portions of water, and dry with anhydrous sodium sulfate. Filter the solvent hexane extract into a tared beaker, evaporate on a steam bath until the odor of solvent hexane no longer is perceptible, dry the residue at 105C for 30 minutes, cool, and weigh. The weight of the residue is not more than 4.0% of the weight of the Sodium Lauryl Sulfate taken.
Total alcohols: Transfer about 5 g, accurately weighed, to an 800-mL Kjeldahl flask, and add 150 mL of water, 50 mL of hydrochloric acid, and a few boiling chips. Attach a reflux condenser to the Kjeldahl flask, heat carefully to avoid excessive frothing, and then boil for about 4 hours. Cool the flask, rinse the condenser with ether, collecting the ether in the flask, and transfer the contents to a 500-mL separator, rinsing the flask twice with ether and adding the washings to the separator. Extract the solution with two 75-mL portions of ether, evaporate the combined ether extracts in a tared beaker on a steam bath, dry the residue at 105 for 30 minutes, cool, and weigh. The residue represents the total alcohols, and is not less than 59.0% of the weight of Sodium Lauryl Sulfate taken.
Sodium Lauryl Sulphate BP Ph Eur Grade Specifications
Sodium Dodecyl Sulphate
Sodium Laurilsulfate
Action and use: Anionic emulsifying agent.
DEFINITION
Mixture of sodium alkyl sulphates consisting chiefly of sodium dodecyl sulphate (C12H25NaO4S; Mr 288.4).
Content: sodium alkyl sulphates: minimum 85.0 per cent, expressed as C12H25NaO4S.
CHARACTERS
Appearance: White or pale yellow, powder or crystals.
Solubility: Freely soluble in water giving an opalescent solution, partly soluble in ethanol (96 per cent).
IDENTIFICATION
A. Dissolve 0.1 g in 10 ml of water R and shake. A copious foam is formed.
B. To 0.1 ml of the solution prepared for identification test A, add 0.1 ml of a 1 g/l solution of methylene blue and 2 ml of dilute sulphuric acid. Add 2 ml of methylene chloride and shake. An intense blue colour develops in the methylene chloride layer.
C. Mix about 10 mg with 10 ml of anhydrous ethanol. Heat to boiling on a water-bath, shaking frequently. Filter immediately and evaporate the ethanol. Dissolve the residue in 8 ml of water, add 3 ml of dilute hydrochloric acid, evaporate the solution to half its volume and allow to cool. Separate the congealed fatty alcohols by filtration. To the filtrate add 1 ml of barium chloride solution. A white, crystalline precipitate is formed.
D. Ignite 0.5 g. The residue gives reaction of sodium.
TESTS
Alkalinity: Dissolve 1.0 g in 100 ml of carbon dioxide-free water and add 0.1 ml of phenol red solution. Not more than 0.5 ml of 0.1 M hydrochloric acid is required to change the colour of the indicator.
Non-esterified alcohol: Maximum 4 per cent.
Sodium chloride and sodium sulphate: Maximum 8.0 per cent for the total percentage content.
Sodium chloride: Dissolve 5.00 g in 50 ml of water, add dilute nitric acid dropwise until the solution is neutral to blue litmus paper, add 2 ml of potassium chromate solution and titrate with 0.1 M silver nitrate.
1 ml of 0.1 M silver nitrate is equivalent to 5.844 mg of NaCl.
Sodium sulphate: Dissolve 0.500 g in 20 ml of water, warming gently if necessary, then add 1 ml.
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Last updated
11/19/2022
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