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Mubychem Group, established in 1976, is the pioneer manufacturer of Zinc Chloride, Ammonium Chloride, Calcium Chloride, Potassium Chloride, Sodium Acetate, Sodium Thiosulphate, Sodium Chloride, Pharmaceutical, Fragrance & Flavor chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India. |
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Sodium Chloride BP Sodium Chloride USP Sodium Chloride
Manufacturers
CAS No.: 7647-14-5, Molecular Weight: 58.44, Chemical Formula: NaCl
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Chloride IP Technical & Pure
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British Pharmacopoeia
Sodium Chloride BP
NaCl 58.44 7647-14-5
Action and use
Used in treatment of electrolyte
deficiency.
DEFINITION
Content
99.0 per cent to 100.5 per cent (dried
substance).
CHARACTERS
Appearance
White or almost white, crystalline powder
or colourless crystals or white or almost white pearls.
Solubility
Freely soluble in water, practically
insoluble in anhydrous ethanol.
IDENTIFICATION
A. It gives the reactions of chlorides.
B. It gives the reactions of sodium.
TESTS
Solution S
If the substance is in the form of
pearls crush before use.
Dissolve 20.0 g in carbon dioxide-free
water prepared from distilled water and dilute to 100.0
ml with the same solvent.
Appearance of solution
Solution S is clear and colourless.
Acidity or alkalinity
To 20 ml of solution S add 0.1 ml of bromothymol blue solution. Not more than 0.5 ml of
0.01 M
hydrochloric acid or 0.01 M sodium hydroxide is required to
change the colour of the indicator.
Bromides
Maximum 100 ppm.
Ferrocyanides
Dissolve 2.0 g in 6 ml of water. Add
0.5 ml of a mixture of 5 ml of a 10 g/l solution of ferric ammonium
sulphate in a 2.5 g/l solution of sulphuric acid and 95 ml of
a 10 g/l solution of ferrous sulphate. No blue colour develops
within 10 min.
Iodides
Moisten 5 g by the drop wise addition of a
freshly prepared mixture of 0.15 ml of sodium nitrite solution, 2
ml of 0.5 M sulphuric acid , 25 ml of iodide-free starch
solution and 25 ml of water. After 5 min, examine in
daylight. The mixture shows no blue colour.
Nitrites
To 10 ml of solution S add 10 ml of water. The absorbance is not greater than 0.01 at 354 nm.
Phosphates
Maximum 25 ppm.
Sulphate
Maximum 200 ppm.
Aluminium
Maximum 0.2 ppm, if intended for use in the
manufacture of peritoneal dialysis solutions, hem dialysis solutions or
haemofiltration solutions.
Arsenic
Maximum 1 ppm, determined on 5 ml of
solution S.
Barium
To 5 ml of solution S add 5 ml of distilled water
and 2 ml of dilute sulphuric acid. After 2 h,
any opalescence in the solution is not more intense than that in a
mixture of 5 ml of solution S and 7 ml of distilled water.
Iron
Maximum 2 ppm, determined on solution S.
Magnesium and alkaline-earth metals
Maximum 100 ppm, calculated as Ca and
determined on 10.0 g.
Potassium: maximum 5.00 × 102 ppm, if
intended for use in the manufacture of parenteral dosage forms or
hem-dialysis, haemofiltration or peritoneal dialysis solutions.
Atomic emission spectrometry: To pass the
test
Heavy metals
Maximum 5 ppm.
Loss on drying
Maximum 0.5 per cent, determined on 1.000 g
by drying in an oven at 105C for 2h.
Bacterial endotoxins
Less than 5 IU/g, if intended for use in
the manufacture of parenteral dosage forms without a further appropriate
procedure for removal of bacterial endotoxins.
Sodium Chloride USP (US Pharmacopoeia)
NaCl 58.44
[7647-14-5]
Sodium Chloride contains not less than 99.0
percent and not more than 100.5 percent of NaCl, calculated on the dried
basis.
Appearance of solution— Dissolve
20.0 g of the substance in carbon dioxide-free water, and dilute with
the same solvent to 100.0 mL. This solution is clear and colorless.
Identification— It responds to the
tests for Sodium and for Chloride.
Chloride— Dissolve about 3 mg of
the substance in 2 mL of water. Acidify with diluted nitric acid and
add 0.4 mL of silver nitrate TS. Shake, and allow to stand. A curdled,
white precipitate is formed. Centrifuge, wash the precipitate with three
1-mL portions of water, and discard the washings. Carry out this
operation rapidly in subdued light, disregarding the fact that the
supernatant may not become perfectly clear. Suspend the precipitate in 2
mL of water and add 1.5 mL of 10 N ammonium hydroxide. The precipitate
dissolves easily with the possible exception of a few large particles,
which dissolve more slowly.
Bacterial endotoxins— The level of
Bacterial endotoxins are such that the requirement under the
relevant dosage form monograph (s) in which the substance is used can
be met.
Sterility— Where the label states that
the substance is
sterile, it meets the requirements for Sterility under the
relevant dosage form monograph (s) in which the substance is used.
Acidity or alkalinity—
To 20 mL of
the solution prepared for the test for Appearance of solution, add 0.1 mL of bromothymol blue TS: not more than 0.5 mL of 0.01 N
hydrochloric acid or 0.01 N sodium hydroxide is required to change the
color of this solution.
Loss on drying— Dry the test
material at 105ş for 2 hours: it loses not more than 0.5% of its weight,
determined on a 1.000 g sample.
Limit of bromides— To 0.5 mL of the
solution prepared for the test for Appearance of solution, add
4.0 mL of water, 2.0 mL of pH 4.7 phenol red TS, and 1.0 mL of
chloramine T solution (0.1 mg per mL), and mix immediately. After 2
minutes, add 0.15 mL of 0.1 N sodium thiosulfate, mix, dilute with water
to 10.0 mL, and mix. The absorbance of this solution measured at 590 nm,
using water as the comparison liquid, is not greater than that of a Standard solution,
concomitantly prepared, using 5.0 mL of a
solution containing 3.0 mg of potassium bromide per L and proceeding as
above, starting with the addition of 2.0 mL of pH 4.7 phenol red TS
(0.010%).
Change to read:
Limit of phosphates—
Phosphate stock standard solution—
Dissolve an accurately weighed quantity of monobasic potassium phosphate
in water to obtain a solution having a concentration of about 0.716 mg
per mL.
Phosphate standard solution— Dilute
1 mL of the Phosphate stock standard solution with water to 100
mL. Prepare this solution fresh.
Standard solution— Dilute 2 mL of
the Phosphate standard solution with water to 100 mL.
Test solution—
Dilute 2 mL of the
solution prepared in the test for Appearance of solution with
water to 100 mL.
Procedure— To the Standard
solution and the Test solution, add 4 mL of Sulfomolybdic
acid solution, and add 0.1 mL of a mixture of 1 mL of stronger acid
stannous chloride TS and 10 mL of 2 N hydrochloric acid. After 10
minutes, compare the colors of 20 mL of each solution: any color
in the Test solution is not more intense than that in the Standard solution
(0.0025%).
Sulfomolybdic acid solution— Dissolve with heating 2.5 g of ammonium molybdate in 20 mL of water.
Dilute 28 mL of sulfuric acid with 50 mL of water, then cool. Mix the
two solutions, and dilute with water to 100 mL. USP30
Limit of potassium: (where it is
labeled as intended for use in the manufacture of injectable dosage
forms, peritoneal dialysis solutions, hem dialysis solutions, or
hemofiltration solutions)—
Test solution— Transfer 1.00 g of
the substance to a 100-mL volumetric flask, add water and swirl to
dissolve, dilute with water to volume, and mix.
Standard solution—
[NOTE—The Standard solution and the Test solution
may be modified, if
necessary, to obtain solutions of suitable concentrations adaptable to
the linear or working range of the instrument.] Dissolve 1.144 g of
potassium chloride, previously dried at 105ş for 3 hours, in water,
dilute with water to 1000 mL, and mix. This solution contains the
equivalent of 600 µg of potassium per mL. Dilute as required to obtain
not fewer than three solutions at concentrations that span the expected
value in the Test solution.
Procedure— Using atomic absorption
spectrophotometry, measure, at least three times, the emission intensity
of the Test solution and the Standard solution using an
air–acetylene flame and a wavelength of 766.5 nm. Prepare a calibration
curve from the mean of the readings obtained with the Standard
solution, and determine the concentration of potassium in the Test solution.
The limit is 0.05%.
Iodides— Moisten 5 g of
the substance by the drop wise addition of a freshly prepared mixture of 0.15
mL of sodium nitrite solution (1 in 10), 2 mL of 1 N sulfuric acid, 25
mL of iodide-free starch TS, and 25 mL of water. After 5 minutes,
examine the substance in natural light. No blue color is observed.
Aluminum: (where it is labeled as
intended for use in the manufacture of peritoneal dialysis solutions,
hem dialysis solutions, or hemofiltration solutions)—
Standard aluminum solution— To 352
mg of aluminum potassium sulfate in a 100-mL volumetric flask, add a few
mL of water, swirl to dissolve, add 20 mL of diluted sulfuric acid,
dilute with water to volume, and mix. Immediately before use, transfer
1.0 mL of this solution to a 100-mL volumetric flask, dilute with water
to volume, and mix.
pH 6.0 Acetate buffer— Dissolve 50 g
of ammonium acetate in 150 mL of water, adjust with glacial acetic acid
to a pH of 6.0, dilute with water to 250 mL, and mix.
Test solution— Dissolve 20.0 g of
Sodium Chloride in 100 mL of water, and add 10 mL of pH 6.0
Acetate buffer.
Extract this
solution with successive portions of 20, 20, and 10 mL of a 0.5%
solution of 8-hydroxyquinoline in chloroform, combining the chloroform
extracts in a 50-mL volumetric flask. Dilute the combined extracts with
chloroform to volume, and mix.
Standard solution— Prepare a mixture
of 2.0 mL of Standard aluminum solution, 10 mL of pH 6.0
Acetate buffer, and 98 mL of water. Extract this mixture as
described for the Test solution, dilute the combined extracts
with chloroform to volume, and mix.
Blank solution— Prepare a mixture of
10 mL of pH 6.0 Acetate buffer and 100 mL of water. Extract this
mixture as described for the Test solution, dilute the combined
extracts with chloroform to volume, and mix.
Procedure— Determine the
fluorescence intensities of the Test solution and the Standard
solution in a fluorometer set at an excitation wavelength of 392 nm
and an emission wavelength of 518 nm, using the Blank solution to
set the instrument to zero.
The fluorescence of the Test solution
does not exceed that of the Standard solution (0.2 µg per g).
Magnesium and alkaline-earth metals— To 200 mL of water add 0.1 g of hydroxylamine hydrochloride, 10 mL of pH
10.0 ammonia–ammonium chloride buffer (prepared by dissolving 5.4 g of
ammonium chloride in 20 mL of water, adding 20 mL of ammonium hydroxide
and diluting to 100 mL), 1 mL of 0.1 M zinc sulfate, and about 0.2 g of
eriochrome black T trituration. Heat to about 40ş. Titrate this solution
with 0.01 M edetate disodium VS until the violet color changes to deep
blue. To this solution add 10.0 g of Sodium Chloride dissolved in 100 mL
of water. If the color changes to violet, titrate the solution with 0.01
M edetate disodium VS to a deep blue endpoint.
The volume of 0.01 M edetate disodium
consumed in the second titration does not exceed 2.5 mL
(0.01%, calculated as Ca).
Arsenic: 1 µg per g.
Iron—
Test solution— Use a 10-mL portion
of the solution prepared for the test for Appearance of solution.
Standard solution— Immediately
before use, dilute Standard Iron Solution (see Iron 241 )
1 to 10 with water. This solution contains the
equivalent of 1 ?g of iron per mL. Combine 4 mL of this solution and 6
mL of water.
Procedure— To each of the solutions,
add 2 mL of a 200 g per L solution of citric acid and 0.1 mL of
thioglycolic acid. Mix, make alkaline with stronger ammonia water, and
dilute with water to 20 mL. After 5 minutes, any pink color in the Test solution
is not more intense than that from the Standard
solution.
The limit is 2 µg per g.
Barium—
To 5 mL of the solution
prepared for the test for Appearance of solution, add 2 mL of 2 N
sulfuric acid and 5 mL of water. To another 5 mL of the solution
prepared for the test for Appearance of solution, add 7 mL of
water. The solutions are equally clear after standing for 2 hours.
Ferrocyanides— Dissolve 2.0 g in 6
mL of water. Add 0.5 mL of a mixture of 5 mL of ferric ammonium sulfate
solution (1 g in 100 mL of 0.1 N sulfuric acid) and 95 mL of ferrous
sulfate solution (1 in 100): no blue color develops in 10 minutes.
Sulfate—
Standard sulfate solution A— To 181
mg of potassium sulfate in a 100-mL volumetric flask, add a few mL of
30% alcohol, swirl to dissolve, dilute with 30% alcohol to volume, and
mix. Immediately before use, transfer 10.0 mL of this solution to a
1000-mL volumetric flask, dilute with 30% alcohol to volume, and mix.
This solution contains 10 µg of sulfate per mL.
Standard sulfate solution B— To 181
mg of potassium sulfate in a 100-mL volumetric flask, add a few mL of
water, swirl to dissolve, dilute with water to volume, and mix.
Immediately before use, transfer 10.0 mL of this solution to a 1000-mL
volumetric flask, dilute with water to volume, and mix. This solution
contains 10 ?g of sulfate per mL.
Sodium chloride solution— Dissolve
2.5 g of Sodium Chloride in 50 mL of water.
Procedure— To 1.5 mL of Standard
sulfate solution A add 1 mL of a barium chloride solution (1 in 4),
shake, and allow to stand for 1 minute. To 2.5 mL of the resulting
suspension, add 15 mL of the Sodium chloride solution and 0.5 mL
of 5 N acetic acid, and mix (Test solution). Prepare the Standard solution
in the same manner, except use 15 mL of Standard sulfate solution B
instead of the Sodium chloride
solution: any turbidity produced in the Test solution after 5 minutes standing is not greater than that produced in the Standard solution
(0.020%).
Nitrites— To 10 mL of the solution
prepared in the test for Appearance of solution, add 10 mL of
water, and measure the absorbance of the solution in a 1-cm cell at 354
nm. The absorbance is not greater than 0.01.
Heavy metals: 5 ppm.
Assay— Dissolve 50 mg of
the substance, accurately weighed, in water, and dilute with water to 50 mL.
Titrate with 0.1 N silver nitrate VS, determining the endpoint
potentiometrically Each mL of 0.1 N silver nitrate is equivalent to
5.844 mg of NaCl.
Sodium Chloride FCC Salt
NaCl Formula wt 58.44
CAS: [7647-14-5]
DESCRIPTION
Sodium Chloride occurs as a transparent to
opaque, white crystalline solid of variable particle size. Salt is a
generic term applied to commercially produced substance . It is
available in various crystalline forms, referred to as evaporated salt,
rock salt (may be white to off white), solar salt, or simply salt. It
may contain up to 2% (total) of suitable food-grade Anti caking,
free-flowing, or conditioning agents, either singly or in combination.
It may contain not more than 13 mg/kg of sodium ferrocyanide, or not
more than 25 mg/kg of green ferric ammonium citrate as crystal-modifying
and Anti caking agents. If labeled as iodized, it contains not less than
0.006% and not more than 0.010% of potassium iodide. Sodium Chloride or
salt
remains dry in air at a relative humidity below 75%, but becomes
deliquescent at higher humidity. One gram is soluble in 2.8 mL of water
at 25°, in 2.7 mL of boiling water, and in about 10 mL of glycerin.
Salt containing water-insoluble Anti caking, free-flowing, and
conditioning agents may produce cloudy solutions or may dissolve
incompletely. A 1:20 aqueous solution usually has a pH between 5.5 and
8.5 (the pH may be higher if alkaline conditioning agents have been
added).
Function: Nutrient; preservative;
flavoring agent and intensifier; curing agent; dough conditioner.
REQUIREMENTS
Identification: A sample gives
positive tests for Sodium and for Chloride.
Assay: Evaporated Salt with up to
2% of Suitable Free- Flowing or Conditioning Agents and Anti caking
Agents Such as Sodium Ferrocyanide:
Not less than 97.5% or more than 100.5% of
NaCl after drying at 625C for 2h.
Evaporated Salt with Only Anti caking
Agents Such as Sodium Ferrocyanide:
Not less than 99.0% or more than
100.5% after drying at 625C for 2h.
Rock or Solar Salt:
Not less than 97.5% or more than 100.5% of
NaCl after drying at 625C for 2 h, the remainder consisting chiefly of
minor amounts of naturally occurring components such as alkaline and/or alkaline
earth sulfates and chlorides.
Arsenic: Not more than 1 mg/kg.
Calcium and Magnesium
Salt Other than Evaporated Salt with
Only Anti caking Agents Such as Sodium Ferrocyanide:
Not more than
0.9%
Evaporated Salt with Only Anti caking
Agents Such as Sodium Ferrocyanide:
Not more than 0.35%.
Heavy Metals (as Pb): Not more than 2
mg/kg.
Iodine: (Note: This
specification applies only to iodized salt.) Not less than 0.006% and
not more than 0.010% of potassium iodide.
Iron: (Note: This
specification applies only to products to which green ferric ammonium
citrate has been added.) Not more than 0.0016% of iron (Fe).
Loss on Drying: Not more than 0.5%.
Sodium Ferrocyanide: (Note: This specification applies only to products to which sodium ferrocyanide
has been added.) Not more than 0.0013% of anhydrous
sodium ferrocyanide [Na4Fe(CN)6]
Sodium Chloride ACS Specifications
Analytical Reagent AR
Chemicals
ACS Specifications
Sodium Chloride
NaCl
Formula Wt 58.44
CAS Number 7647-14-5
REQUIREMENTS
Assay: 
99.0%
NaCl
pH of a 5% solution: 5.0-9.0 at 25C
MAXIMUM ALLOWABLE
Insoluble matter ...................... 0.005%
Iodide (I)
................................ 0.002%
Bromide (Br)
.......................... 0.01%
Chlorate and nitrate
(as NO3) . 0.003%
Nitrogen compounds
(as N) .... 0.001%
Phosphate (PO4)
.................... 5 ppm
Sulfate (SO4) .......................... 0.004%
Barium (Ba)
............................ Passes test
Heavy metals (as Pb)
.............. 5 ppm
Iron (Fe) ................................. 2 ppm
Calcium (Ca)
.......................... 0.002%
Magnesium (Mg) .................... 0.001%
Potassium (K)
........................ 0.005%
