Lab Chemical-60

Sodium Metabisulfite also called Sodium disulfite, disodium pentaoxodisulfate, disodium pyrosulfite.

Sodium Metabisulphite C.A.S. number is 7681-57-4 and its Chemical formula. Na2S2O5 and molecular weight is 190.11

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SODIUM SULPHATE 99% WHITE POWDER CRYSTAL 50 KG BAG
PHOSPHORIC ACID 85% WHITE LIQUID POWDER
Caustic Soda Lye
HYDROGEN PEROXIDE 50% LIQUID 35 KG CARBOY PACK
CITRIC ACID 99% POWDER
caustic soda flakes
BLEACHING POWDER
SODIUM NITRATE
ACETIC ACID

Synonym: Sulfurous Acid, Disodium Salt 

Chemical Name: Sulfurous acid, Disodium salt 

Chemical Formula: Na2So3

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Our range includes Sodium Thiosulphate, Sodium Acetate, Sodium Metabisulphite, Sodium Bisulphite, Sodium Sulphite Anhydrous, Ammonium Sulphate, Ammonium Chloride, Magnesium Sulphate, Sodium Phosphate (Mono / Di / Tri) etc.

Sodium Metabisulfite supplier and exporter.  Sodium Metabisulphite also called sodium pyro sulphite. Food grade of Sodium sulphite is used as preservative agent, reducing agent, Antibrowning agent, antioxidant, flour treatment agent also as preservative in biscuit industries.

We are keeping ready stock of Sodium Metabisulfite in 25 Kg and 50 Kg pack. And we are one of popular sodium metabisulphite supplier in Mumbai, Kandla - Gandhidham, Chennai - Ennore, Visakhapatnam, Kolkata, Fujairah, Dubai,  Sharjah, Abu Dhabi, Sodium Sulphite supplier in Barka Ruwi Muscat Oman

Sodium Metabisulfite is White crystals or crystalline powder having an odour of sulfur dioxide
 

HOW to TEST purity of Sodium Sulfite?

PURITY TESTS
Reagents: Hydrochloric acid, hydrazinium sulfate, standard selenium solution (100µg Se/ml)

Procedure

Weigh 2.0 ± 0.1 g of sample and transfer to a 50-ml beaker. Add 10 ml water, 5 ml hydrochloric acid and boil to remove SO2.
Into a second beaker, weigh 1.0 ± 0.1 g of sample, add 0.05 ml standard selenium solution and proceed as above.
To each beaker add 2 g hydrazinium sulfate and warm to dissolve. Let stand for 5 min. Dilute the contents of each beaker to 50 ml in a Nessler tube and compare the colour of the two solutions. The sample should be less pink than the sample with the added standard.

METHOD OF ASSAY

Weigh 0.2 g of the sample to the nearest mg, add to 50.0 ml of 0.1 N iodine in a glass-stoppered flask, and stopper the flask. Allow to stand for 5 min, add 1 ml of hydrochloric acid, and titrate the excess iodine with 0.1 N sodium thiosulfate, adding starch TS as the indicator. Each ml of 0.1 N iodine is equivalent to 4.753 mg of Na2S2O5.

Other valuable Mercury Metal Salts :::

AMMONIATED MERCURY CHLORIDE

It is also known by other names amino mercuric chloride; mercury ammonium chloride; ammoniated mercury; white precipitate; white mercuric precipitate
Molecular Formula: ClH2HgN
Line Formula: HgNH2Cl
Molecular Weight: 252.07
Percent Composition: Cl 14.06%, H 0.80%, Hg 79.58%, N 5.56%
Uses : In skin whitening cream  


MERCURIC ACETATE

It is white cryst powder or lustrous scales, slight acetic odor, sensitive to light.
Melts at 178 to 180 degree C.
Molecular Formula : C4H6HgO4
Moleculer Weight : 318.70
Composition : C 15.07%, H 1.90% Hg 62.95%, O 20.08%
Uses : Mainly used for Mercuration in organic synthesis.  


Mercuric Nitrate  
We are manufacturer of Mercuric Nitrate in LR/AR/ACS grade. Mercuric Nitrate is being used as an Laboratory Reagent and various organic synthesis for Mercuration.  


MERCURIC OXIDE RED

We are manufacturer and exporter of Mercuric Oxide in LR/AR/ACS Grade. Quality of our Mercuric Chloride is being appreciated by world market. Mercuric Oxide contains minimum 91.6% of Mercury Metal.  

MERCURIC SULFIDE RED

MERCURIC THIOCYNATE

PHENYL MERCURIC ACETATE


PHENYL MERCURIC NITRATE

Phenyl Mercuric Acetate is organomercury Compound with moleculer formulla C8H8HgO2. It is used as preservative in many medicines and solutions  

Mercury metal Highly purified Lab Grade materials packed in various size.  We are Mercury metal suppliers and exporters under strict quality specification assurance with competitive mercury metal price.

Mercury supplier in Mumbai - Navi Mumbai, Chennai, Visakhapatnam, Kolkata, Gandhidham, Dubai, Sharjah, Ajman, Abu dhabi, Fujairah.

Typical Properties :

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Other Valuable Iodine and its derivative products :
Sr. No.Product Name                     CAS Number                   EC Number
1.3-5 – Di Iodosalicylic Acid           133-91-5                          205-124-0
2.Aluminium Iodide                         7784-23-8                        232-054-8
3.Ammonium Iodide                        12027-06-4                      234-717-7
4.Arsenic Iodide                               7784-45-4                       232-068-4
5.Barium Iodide                               13718-50-8                      237-276-9
6.Barium Mercuric Iodide                 10048-99-4                     231-831-9
7.Cadmium Iodide                            7790-80-9                       232-223-6
8.Calcium Iodate                              7789-80-2                       232-191-3
9.Calcium Iodide                              10102-68-8                     233-276-8
10.Clioquinol                                    130-26-7                         204-984-4
11.Copper Iodide                              7681-65-4                       231-674-6
12.Cuprous Mercuric Iodide             13876-85-2                     237-634-4
13.Ethyl Iodide                                  75-03-64                        232-191-3
14.Ethylenediamine Dihydroiodide   1774-47-6                      231-442-4
15.Hydriodic Acid   57%                  10034-85-2                      233-109-9
16.Iodic Acid                                     7782-68-5                       231-962-1
17.Iodine                                           7553-56-2                       231-442-4
18.Iodine Monochloride                    7790-99-0                       232-236-7
19.Iodophor                                      111453-42-0
20.Iohexol                                         66108-95-0                      266-164-2
21.Lithium Iodide                              10377-51-2                      233-822-5
22.Magnesium Iodide                       10377-58-9                      233-825-1
23.Mercuric Iodide                             7774-29-0                       231-873-8
24.Methyl Iodide                                7553-56-2                       200-819-5
25.Periodic Acid                                10450-60-9                     233-937-0
26.Potassium Iodate FCC                 12027-06-4                     231-831-9
27.Potassium Iodide                          7681-11-0                       231-659-4
28.Potassium Mercuric Iodide           7783-33-7                       231-990-4
29.Potassium Metaper Iodate            7790-21-8                       232-196-0
30.Potassium Tri Iodide Monohydrate12298-68-9                    235-567-5
31.Povidone Iodine                             25655-41-8                    215-034-3
32.Sodium Metaper Iodate                 7790-28-5                       232-197-6
33.Sodium Iodate                               7681-55-2                       231-672-5
34.Sodium Iodide                               7681-82-5                        231-679-3
35.Tetra Butyl Ammonium Iodide       311-28-4                          206-220-5
36.Tetra Ethyl Ammonium Iodide       68-05-3                            200-676-9
37.Tetra Methyl Ammonium Iodide    75-58-1                            200-881-3
38.Tri Methyl Sulphonium Iodide        2181-42-2                       218-555-4
39.Tri Methyl Sulphoxonium Iodide   1774-47-6                        217-204-2
40.Zinc Iodide                                    10139-47-6                        233-396-0

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