Sodium Sulphide

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DescriptionSulfuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H₂SO₄. It is a colorless, odorless, and viscous liquid that is soluble in water and is synthesized in reactions that are highly exothermic.

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Isopropyl Alcohol Price List

Get Best price of >99% pure 25 litre bottle of Isopropyl Alcohol CAS No. 63-67-0, C3H8O. For Certificate of Analysis (COA) & MSDS, kindly contact us.

Uses:

• Used in gum industry
• Used for making perfumes
• Used in pharmaceutical industry
• lacquer formulations, dye solutions, antifreezes, soaps, window cleaners
• Used for making sanitizers
• Major component in household cleaners

Isopropyl alcohol (IUPAC name propan-2-ol; also called isopropyl, isopropanol, or 2-propanol) is a colorless, flammable chemical compound (chemical formula CH3CHOHCH3) with a strong odor. As an isopropyl group linked to a hydroxyl group, it is the simplest example of a secondary alcohol, where the alcohol carbon atom is attached to two other carbon atoms. It is a structural isomer of 1-propanol and ethyl methyl ether. Isopropyl Alcohol is an isomer of propyl alcohol with antibacterial properties.

Isopropyl alcohol, particularly in solutions between 60% and 90% alcohol with 10 – 40% purified water, is rapidly antimicrobial against bacteria, fungi, and viruses. Once alcohol concentrations drop below 50%, usefulness for disinfection drops sharply. Notably, higher concentrations of alcohol don’t generate more desirable bactericidal, virucidal, or fungicidal properties. Alcohol-based versions typically contain some combination of isopropyl alcohol, ethanol (ethyl alcohol), or n-propanol, with versions containing 60% to 95% alcohol the most effective. Care should be taken as they are flammable. Alcohol-based hand sanitizer works against a wide variety of microorganisms but not spores. Compounds such as glycerol may be added to prevent drying of the skin. Some versions contain fragrances; however, these are discouraged due to the risk of allergic reactions. Non-alcohol based versions typically contain benzalkonium chloride or triclosan; but are less effective than alcohol-based ones.
Isopropyl alcohol is effective against viruses such as FCV at 40% – 60% concentrations. Ethanol however, is more effective at 70% – 90% concentrations against FCV. In other cases, isopropyl alcohol is more effective than ethanol at lower percentage concentrations.

Methods of Manufacturing:
Indirect hydration process is based on a two-step reaction of propylene and sulfuric acid; in the first step, mixed sulfate esters, primarily isopropyl hydrogen sulfate, but also diisopropyl sulfate, form; these are then hydrolyzed, forming isopropanol and sulfuric acid.

Health Hazards:
Vapors cause mild irritation of eyes and upper respiratory tract; high concentrations may be anesthetic. Liquid irritates eyes and may cause injury; harmless to skin; if ingested causes drunkenness and vomiting.

Fire Hazards:
Highly flammable. Vapour/air mixtures are explosive. Risk of explosion on contact with strong oxidants. 

First Aid:
EYES: Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. 

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Silicone Softeners. Silicone softeners impart additional softness and smoothness on the surface of fabrics and textile substrates. In addition to improved tear strength and shade enhancements, silicone softeners also ensure silky soft handle, moisture management. A new generation hydrophilic silicone softener.

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Sulfur linkages are the integral part of chromophore in sulfur dyes. They are organosulfur compounds consisting of sulfide (–S–), disulfide (–S–S–) and polysulfide (–S_n–) links in heterocyclic rings. They feature thiazoles, thiazone, thianthrene, and phenothiazonethioanthrone subunits. Being nonionic, sulfur dyes are insoluble in water.

Process[edit]

Dyeing includes a few stages, viz. reduction, dyeing, washing, oxidation, soaping, and final washing. The anion is developed on reducing and solubilising at boil when it shows affinity for cellulose. Sodium sulfide (Na₂S), the reducing and solubilising agent, performs both reduction and solubilisation, producing thiols and then to sodium salt of thiols or thiolates, which are soluble in water and substantive towards cellulose. Higher rate of exhaustion occurs at 90-95 °C in presence of electrolyte. Dyed cellulosics exhibit a tendering effect on storage under humid atmosphere due to presence of excess free sulfur. Aftertreatment with sodium acetate is required to suppress that. H₂S liberated during dyeing forms corrosive metal sulfide. This restricts use of metal vessels except those made of stainless steel:^[2]

Fe + H₂S → FeS + H₂

Sulfur linkages are the integral part of chromophore in sulfur dyes. They are organosulfur compounds consisting of sulfide (–S–), disulfide (–S–S–) and polysulfide (–S_n–) links in heterocyclic rings. They feature thiazoles, thiazone, thianthrene, and phenothiazonethioanthrone subunits. Being nonionic, sulfur dyes are insoluble in water.

Process[edit]

Dyeing includes a few stages, viz. reduction, dyeing, washing, oxidation, soaping, and final washing. The anion is developed on reducing and solubilising at boil when it shows affinity for cellulose. Sodium sulfide (Na₂S), the reducing and solubilising agent, performs both reduction and solubilisation, producing thiols and then to sodium salt of thiols or thiolates, which are soluble in water and substantive towards cellulose. Higher rate of exhaustion occurs at 90-95 °C in presence of electrolyte. Dyed cellulosics exhibit a tendering effect on storage under humid atmosphere due to presence of excess free sulfur. Aftertreatment with sodium acetate is required to suppress that. H₂S liberated during dyeing forms corrosive metal sulfide. This restricts use of metal vessels except those made of stainless steel:^[2]

Fe + H₂S → FeS + H₂

Sulfur linkages are the integral part of chromophore in sulfur dyes. They are organosulfur compounds consisting of sulfide (–S–), disulfide (–S–S–) and polysulfide (–S_n–) links in heterocyclic rings. They feature thiazoles, thiazone, thianthrene, and phenothiazonethioanthrone subunits. Being nonionic, sulfur dyes are insoluble in water.

Process[edit]

Dyeing includes a few stages, viz. reduction, dyeing, washing, oxidation, soaping, and final washing. The anion is developed on reducing and solubilising at boil when it shows affinity for cellulose. Sodium sulfide (Na₂S), the reducing and solubilising agent, performs both reduction and solubilisation, producing thiols and then to sodium salt of thiols or thiolates, which are soluble in water and substantive towards cellulose. Higher rate of exhaustion occurs at 90-95 °C in presence of electrolyte. Dyed cellulosics exhibit a tendering effect on storage under humid atmosphere due to presence of excess free sulfur. Aftertreatment with sodium acetate is required to s

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Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula H It is colorless, odorless, tasteless, non-toxic, and highly combustible.

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• Sodium Sulphide Yellow Flakes

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Polyelectrolytes are polymers whose repeating units bear an electrolyte group. ... These groups dissociate in aqueous solutions (water), making the polymers charged. Polyelectrolyte properties are thus similar to both electrolytes (salts) and polymers (high molecular weight compounds) and are sometimes called polysalts.

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Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S??9H2O. Both the anhydrous and the hydrated salts are colorless solids, They are water-soluble, giving strongly alkaline solutions. ... These grades of sodium sulfide are marketed as 'sodium sulfide flakes

Additional Information:

• Item Code: 5252
• Production Capacity: 1000
• Packaging Details: best quality products

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• Sodium sulfide is the chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S·9 H 2 O. Both the anhydrous and the hydrated salts are colorless solids. They are water-soluble, giving strongly alkaline solutions. When exposed to moist air, Na 2 S and its hydrates emit hydrogen sulfide, which smells like rotten eggs.

Product Details:

Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S??9H2O. Both the anhydrous and the hydrated salts are colorless solids, They are water-soluble, giving strongly alkaline solutions. ... These grades of sodium sulfide are marketed as 'sodium sulfide flakes

• Sodium sulfide is the chemical compound with the formula Na 2 S, or more commonly its hydrate Na 2 S·9 H 2 O. Both the anhydrous and the hydrated salts are colorless solids. They are water-soluble, giving strongly alkaline solutions. When exposed to moist air, Na 2 S and its hydrates emit hydrogen sulfide, which smells like rotten eggs.