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Caustic Soda Sodium Hydroxide BP USP NF IP FCC Food grade ACS Analytical Reagent Pellets Manufacturers
For MSDS Sheet Click MSDS of Caustic Soda Sodium Hydroxide Pellets IP BP USP NF ACS FCC AR LR Reagent Grade Manufacturers
British Pharmacopoeia 2009
Sodium Hydroxide BP
Caustic Soda Pellets
Sodium Hydroxide
NaOH 40.00
DEFINITION
Content
97.0 per cent to 100.5 per cent
Sodium Hydroxide.
CHARACTERS
Appearance
White or almost white, crystalline
masses, supplied as pellets, sticks or slabs, deliquescent, readily absorbing
carbon dioxide.
Solubility
Very soluble in water, freely
soluble in ethanol (96 per cent).
IDENTIFICATION
A. pH minimum 11.0.
B. 2 ml of solution S gives
reaction of sodium.
TESTS
Solution S
Carry out the procedure
described below with caution. Dissolve 5.0 g in 12 ml of distilled water.
Add 17 ml of hydrochloric acid R1, adjust to pH 7 with 1 M
hydrochloric acid and dilute to 50 ml with distilled water.
Appearance of solution
The solution is clear and
colourless.
Dissolve 1.0 g in 10 ml of water.
Carbonates
Maximum 2.0 per cent, calculated
as Na2CO3 as determined in the assay.
Chlorides
Maximum 50 ppm.
Sulphate
Maximum 50 ppm.
Iron
Maximum 10 ppm, determined on
solution S.
Heavy metals
Maximum 20 ppm.
Sodium Hydroxide USP NF
Sodium Hydroxide
NaOH 40.00
Caustic Soda Pellets
Sodium hydroxide [1310-73-2]
Sodium Hydroxide contains not less
than 95.0 percent and not more than 100.5 percent of total alkali, calculated as
NaOH, including not more than 3.0 percent of Na2CO3.
Caution—Exercise great care in
handling Sodium Hydroxide, as it rapidly destroys tissues.
Identification— A solution
(1 in 25) responds to the tests for Sodium.
Insoluble substances and
organic matter— A solution (1 in 20) is complete, clear, and colorless to
slightly colored.
Potassium— Acidify 5 mL of
a solution (1 in 20) with 6 N acetic acid, then add 5 drops of sodium
cobalt nitrite TS: no precipitate is formed.
Heavy metals— the limit is
0.003%.
Sodium Hydroxide FCC
Caustic Soda Pellets
NaOH Formula wt 40.00
Sodium Hydroxide
INS: 524 CAS: [1310-73-2]
DESCRIPTION
Sodium Hydroxide occurs as white
or nearly white pellets, flakes, sticks, fused masses, or other forms. Upon
exposure to air it readily absorbs carbon dioxide and moisture. One gram
dissolves in 1 mL of water. It is freely soluble in alcohol.
Function: pH control agent.
REQUIREMENTS
Identification: A 1:25 aqueous solution gives positive tests for
Sodium.
Assay: Not less than 95.0% and not more than 100.5% of total alkali,
calculated as NaOH.
Arsenic: Not more than 3 mg/kg.
Carbonate: (as Na2CO3) Not more than 3.0%.
Insoluble Substances and Organic Matter: Passes test.
Lead: Not more than 2 mg/kg.
Mercury: Not more than 0.1 mg/kg.
Sodium Hydroxide ACS Caustic Soda Pellets
Reagent Chemical
ACS Specifications
Sodium Hydroxide
NaOH
Formula Wt 40.00
CAS Number 1310-73-2
REQUIREMENTS
Assay: 97.0%
NaOH min
Sodium Carbonate: 1.0%
Na2CO3 max
MAXIMUM ALLOWABLE
Chloride (Cl): 0.005%
Nitrogen compounds (as N): 0.001%
Phosphate (PO4): 0.001%
Sulfate (SO4): 0.003%
Ammonium hydroxide precipitate: 0.02%
Heavy metals (as Ag): 0.002%
Iron (Fe): 0.001%
Mercury (Hg): 0.1 ppm
Nickel (Ni): 0.001%
Potassium (K): 0.02%
Caustic Soda Sodium Hydroxide BP USP NF IP ACS AR Analytical Reagent FCC Food grade Pellets Manufacturers:
MUBY CHEMICALS GROUP
DONGRI-CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE)
91-22-23770100, 91-22-23726950, 91-22-23774610, 23723564.
e-mail: info@mubychem.com
