Anmol Chemicals is the pioneer manufacturers of Sodium nitrate & Sodium nitrite, Pharmaceutical Excipients Fragrance & Flavor chemicals in India. We offer Halal and Kosher Sodium nitrate & Sodium nitrite made in an ISO9001:2008, ISO22000:2005 (FSSC22000) and cGMP certified facility. Our group has several manufacturing facilities spread across the world, supported by toll manufacturers and representatives in UAE, Europe, Africa, USA, China and has several associated manufacturing facilities spread across India. All the Information on Physics, Chemistry, Applications, Uses and Technology on Manufacture of Sodium nitrate & Sodium nitrite is in these pages.
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Sodium Nitrate Sodium Nitrite Manufacturers

Sodium Nitrate CAS Number 7631-99-4,  Molecular Weight: 84.99, Chemical Formula NaNO3
Sodium Nitrite CAS Number 7632-00-0, Molecular Weight 69, Chemical Formula NaNO2

Sodium Nitrite MSDS
Sodium Nitrate MSDS

Sodium Nitrite, Sodium Nitrate Manufacturers
Sodium Nitrite BP USP IP ACS Analytical Reagent FCC Food Grade Manufacturers

1. Sodium Nitrate

Sodium nitrate is the chemical compound with the formula NaNO3. This salt, also known as Chile saltpeter or Peru saltpeter (due to the large deposits found in each country) to distinguish it from ordinary saltpeter, potassium nitrate, is a white solid which is very soluble in water.

Sodium nitrate is used as an ingredient in fertilizers, pyrotechnics, as an ingredient in smoke bombs, as a food preservative, and as a solid rocket propellant, as well as in glass and pottery enamels.

Sodium Nitrate Specifications

Appearance: White or slightly off white to Light cream colour powder
Loss on drying: 1.00 % w/w maximum
Purity (on dry basis): 99.00 % w/w minimum
Molecular Weight: 85
Melting Point: 306°C
Density: 2.26 gms/cm3
CAS No.: 7631-99-4
UN No.: 1498
EINECS No.: 231-554-3


2. Sodium Nitrite

Sodium nitrite, with chemical formula NaNO2, is used as a color fixative and preservative in meats and fish. When pure, it is a white to slight yellowish crystalline powder. It is very soluble in water and is hygroscopic. It is also slowly oxidized by oxygen in the air to sodium nitrate, NaNO3. The compound is a strong oxidizing agent.

It is also used in manufacturing diazo dyes, nitroso compounds, and other organic compounds; in dyeing and printing textile fabrics and bleaching fibers; in photography; as a laboratory reagent and a corrosion inhibitor; in metal coatings for phosphatizing and de-tinning and in the manufacture of rubber chemicals. It may also be used as an electrolyte in electrochemical grinding manufacturing processes, typically diluted to about 10% concentration in water.

Sodium Nitrite Specifications

Appearance: White to off-white crystalline powder
Purity (On dry basis) by KMnO4 titration: 99.00 % w/w minimum
Loss on drying at 110ºC for 10 min: 0.50 % w/w maximum
Alkalinity as Na2CO3 or NaOH by H2SO4 titration: 0.20 % w/w maximum
Chloride as Cl by Nitrobenzene: 0.10 % w/w maximum
Sodium Nitrate by PDSA: 1.00 % w/w maximum
Water insoluble: 0.05 % w/w maximum
Sulphate as SO4 by turbidity: 0.08 % w/w maximum
Iron as Fe by Potassium thiocyanate: 0.002 % w/w maximum
Heavy metal as Pb by visual colorimetric: 0.005 % w/w maximum
Clarity of 30% aqueous solution: It should be clear solution

The material can also be offered with anti-caking agent.


Sodium Nitrite BP Pharmacopoeia

NaNO2
Action and use: Used in treatment of cyanide poisoning.

DEFINITION
Content: 98.5 per cent to 100.5 per cent (dried substance).

CHARACTERS
Appearance: Colourless crystals or mass or yellowish rods, hygroscopic.
Solubility: Freely soluble in water, soluble in alcohol.

IDENTIFICATION
A. Dilute 1 ml of solution S1 (see Tests) to 25 ml with water R. To 0.1 ml of the solution add 1 ml of sulphanilic acid solution. Allow to stand for 2-3 min. Add 1 ml of b-naphthol solution and 1 ml of dilute sodium hydroxide solution R. An intense red colour develops.
B. To 1 ml of the solution prepared for identification test A add 3 ml of a 20 g/l solution of phenazone and 0.4 ml of dilute sulphuric acid. An intense green colour develops.
C. To 0.15 ml of solution S1, add 0.35 ml of water R. The solution gives reaction of sodium.

TESTS
Solution S1: Dissolve 2.5 g in carbon dioxide-free water and dilute to 50 ml with the same solvent.
Solution S2: Dissolve 3 g in distilled water. Cautiously add 10 ml of nitric acid and evaporate to dryness. Dissolve the residue in 10 ml of distilled water R, neutralize with dilute sodium hydroxide solution  and dilute to 30 ml with distilled water.
Appearance of solution: Solution S1 is clear and not more intensely colored than reference solution.
Acidity or alkalinity: To 10 ml of solution S1, add 0.05 ml of phenol red solution. Add 0.1 ml of 0.01 M sodium hydroxide. The solution is red. Add 0.3 ml of 0.01 M hydrochloric acid. The solution is yellow.
Chlorides: Maximum 50 ppm. Dilute 10 ml of solution S2 to 15 ml with water. The solution complies with the limit test for chlorides.
Sulphate: Maximum 200 ppm.
Heavy metals: Maximum 20 ppm.
Loss on drying: Maximum 1.0 per cent, determined on 1.000 g by drying in vacuum.


Sodium Nitrite USP

NaNO2 69.00
Nitrous acid, sodium salt.
Sodium nitrite [7632-00-0]

Sodium Nitrite contains not less than 97.0 percent and not more than 101.0 percent of NaNO2, calculated on the dried basis.

Identification— A solution of it responds to the tests for Sodium and for Nitrite.
Loss on drying— Dry it over silica gel for 4 hours: it loses not more than 0.25% of its weight.
Heavy metals— Dissolve 1 g in 6 mL of 3 N hydrochloric acid, and evaporate on a steam bath to dryness. Reduce the residue to a coarse powder, and continue heating on the steam bath until the odor of hydrochloric acid no longer is perceptible. Dissolve the residue in 23 mL of water, and add 2 mL of 1 N acetic acid: the limit is 0.002%.
Assay— Dissolve about 1 g of Sodium Nitrite, accurately weighed, in water to make 100.0 mL. Pipette 10 mL of this solution into a mixture of 50.0 mL of 0.1 N potassium permanganate VS, 100 mL of water, and 5 mL of sulfuric acid. When adding the Sodium Nitrite solution, immerse the tip of the pipette beneath the surface of the permanganate mixture. Warm the liquid to 40 , allow it to stand for 5 minutes, and add 25.0 mL of 0.1 N oxalic acid VS. Heat the mixture to about 80 , and titrate with 0.1 N potassium permanganate VS. Each mL of 0.1 N potassium permanganate is equivalent to 3.450 mg of NaNO2.


Sodium Nitrite FCC

NaNO2 Formula wt 69.00
INS: 250 CAS: [7632-00-0]

DESCRIPTION
Sodium Nitrite occurs as a white to slightly yellow, granular powder, or as white or nearly white, opaque, fused masses or sticks. It is hygroscopic in air. Its solutions are alkaline to litmus. One gram dissolves in 1.5 mL of water, but it is sparingly soluble in alcohol.
Function: Color fixative in meat and meat products, antimicrobial agent, preservative.

REQUIREMENTS
Identification: An aqueous solution gives positive tests for Sodium and for Nitrite.
Assay: Not less than 97.0% and not more than 100.5% of NaNO2 after drying.
Lead: Not more than 4 mg/kg.
Loss on Drying: Not more than 0.25%.


Sodium Nitrite ACS

Reagent Chemicals
ACS Specifications
Sodium Nitrite
NaNO2
Formula Wt 69.00
CAS Number 7632-00-0

REQUIREMENTS
Assay: 97.0% NaNO2 min

MAXIMUM ALLOWABLE
Insoluble matter: 0.01%
Chloride (Cl): 0.005%
Sulfate (SO4): 0.01%
Calcium (Ca): 0.01%
Potassium (K): 0.005%
Heavy metals (as Pb): 0.001%
Iron (Fe): 0.001%

Sodium Nitrate, Sodium Nitrite BP USP ACS Analytical Reagent, FCC Food Grade Manufacturers:

Anmol Chemicals
S-8, SARIFA MANSION, 2ND FLANK ROAD, CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100, 23726950, 23774610, 23723564 - FAX: 91-22-23728264

e-mail: anmolc@mtnl.net.in

Anmol Chemicals

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