Sodium lauroyl lactylate is the sodium salt of lactic acid and an effective emulsifier widely used in foods. It is a white, crystalline solid, and is used on a. Sodium sulfate is chemically very stable, being unreactive toward most elements at normal temperatures. Final report on the safety assessment of sodium sulfate i. Adi not specified was established at the 57th jecfa 2001. With an annual production of 6 million tonnes, the decahydrate is a major commodity chemical product. When it is oxidized, it is converted to sodium sulfate. Adding anhydrous sodium sulfate removes this water by forming the sodium sulfate hydrate, which conveniently is also a solid allowing it to be filtered away. Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through. Sodium sulfate anhydrous disassociates in water to provide sodium ions and sulfate ions. Msds material safety data sheet anokaramsey community. In 1625, johann rudolf glauber discovered the sodium sulfate. Sodium sulfate na2so4 structure, properties, and uses.
The monograph also details the following specifications and corresponding tests for verifying that a substance meets acs reagent grade specifications including. Sodium sulfate takes a high amount of energy to change from solid to liquid and goes through a second phase change at around 32 degrees celsius when it changes to the anhydrous form, which means. The resulting sodium sulfate from these processes is known as salt cake. Sodium sulfate na2so4 or na2o4s cid 24436 structure, chemical names, physical and chemical properties, classification, patents. Sodium sulfate, anhydrous safety data sheet according to federal register vol. Chemical and physical properties sodium sulfate na2so4. These sodium sulphate manufacturing companies from india are known for its products quality. Sulfates are salts or esters of sulfuric acid, formed by replacing one or both of the hydrogens with a metal or a radical as in sodium sulfate, na 2 so 4. About two thirds of the worlds production is from mirabilite, the natural mineral form of the decahydrate, and the remainder from byproducts of chemical processes such as hydrochloric acid production. All forms are white solids that are highly soluble in water. Soda lake, california, is estimated to contain nearly one million tons of anhydrous sulfate. Assay, insoluble in dilute hydrochloric acid, carbon compounds, chloride, nitrogen compounds, sulfate, calcium, iron, potassium, and sodium.
Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through processing technologies and usage. Sodium sulfate thprepared at the 55 jecfa 2000, maintained at 57th jecfa and published in fnp 52 add 9 2001. Anhydrous sodium sulfate na2so4 is typically used in organic chemistry as a drying agent. Structure, properties, spectra, suppliers and links for. Grossi, acoustic emission monitoring to study sodium sulfate crystallization in monumental porous carbonate stone studies in conservation 42 1997, p. Anhydrous sodium sulfate can be used in many detergents where it is a processing and water conditioning agent, a detergent builder, and provides alkalinity control. If the sodium sulfate is being pneumatically conveyed into a processing system, the blower used to move sodium sulfate through the air line must be sized to meet the demands of the system. Sodium sulfate is also available in reagent grades. Magnesium salts of these types are also quite common and can be found in the same. Sodium sulfate is commonly used to make soaps and detergents, particularly powdered soaps. Handbook of deposits, processing, properties, and use will be the authoritative and uptodate distillation of all that is known about naturally occurring sodium sulfate, detailed information on formation, worldwide deposits, processing technologies, and usage over time. Sulfate compounds are salts or esters of sulfuric acid formed by. No evidence of systemic taxicity was seen in oral exposure studies in.
Sodium sulfate is a moderately water and acid soluble sodium source for uses compatible with sulfates. Clear to slightly hazy yellow to amber viscous liquid. Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through processing. The information in cameo chemicals comes from a variety of data sources. This reaction occurs because sodium sulphate is an electrostatically bonded ionic sulphate. Summary at the seventyfirst meeting of jecfa, the committee evaluated the safety, dietary intake and revision of specifications of sodium hydrogen sulfate nahso4 at the request of the codex committee on food additives for its use as an acidifier. Glaubers salt is simply sodium sulfate mixed with water. Sulfate also spelled sulphate in europe is any chemical compound containing the so 4 2ion related to sulfuric acid h 2 so 4. Sodium sulphate reacts with barium chloride in a double displacement reaction to form barium sulphate and sodium chloride. Sodium sulfate is the inorganic compound with formula na2so4 as well as several related. The most important chemical sodium sulfate production is during hydrochloric acid.
The resulting solutions contain moderate concentrations of hydroxide ions and have phs greater than 7. Naturally occurring anhydrous sodium sulfate is found in abundance in the searles valley. At high temperatures, it can be reduced to sodium sulfide 4. It is a neutral salt, which forms watery solutions with ph of 7. Sodium sulfate na2so4 structure, properties, and uses byjus. The blend can be used for amide free and sulfate free shampoo, face and body wash. Download amended safety assessment of sodium sulfate as used.
It is also hygroscopic, meaning that humidity and temperature may impact its flow. It is made by a neutralization reaction between sodium hydroxide with sulfuric acid. It is also a refining agent for container glass, used to decompose wood to. It is a white, orthorhombic crystalline compound at ordinary temperatures. Amended safety assessment of sodium sulfate as used in. Final report on the safety assessment of sodium sulfate i sodium sulfate is used as a viscosity increasing agent in cosmetic formulations, at concentrations that are reportedly as high as 97%. It is an anionic surfactant used in many cleaning and hygiene products. Sodium ion is the principal cation of the extracellular fluid and plays a large part in the therapy of fluid and electrolyte disturbances. Atc anatomical therapeutic chemical classification a06ad,a12ca02. Possibility of hazardous reactions not established. Sodium sulphate chemtradeasia your trusted partner for. Sodium sulfate also known as sodium sulphate or sulfate of soda is the inorganic compound with formula na2so4 as well as several related hydrates. The hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents.
It has many commercial applications, and is classified as a nontoxic chemical under normal handling circumstances. Anhydrous, it is a white crystalline solid of formula na2so4sodium sulfate is mainly used for the manufacture of. Sodium sulphate manufacturers, sodium sulfate suppliers. It has a large number of uses, but as has happened before, this usage pattern has changed dramatically since the early to mid1970s. Sodium sulfate is a reagent used in largescale applications such as dyeing and printing textiles, and the manufacture of glass and paper pulp. Its chemical structure is orthorhombic or hexagonal anhydrous and monoclinic decahydrate. Sodium sulphate manufacturer exporter supplier in mumbai. Sulfates in which both hydrogens are replaced are called. It is also produced from byproducts of chemical processes such as hydrochloric acid production. Disposal considerations dilute with water, then wash the resulting solution down the drain with plenty of water if local regulations allow. Disposal considerations waste disposal methods chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Sodium sulfate anhydrous is the anhydrous, sodium salt form of sulfuric acid. It consists of a 12carbon tail attached to a sulfate group, that is, it is the sodium salt of dodecyl. Anhydrous sodium sulphate manufacturers, anhydrous sodium sulphate suppliers, anhydrous sodium.
Sodium sulfate materials handled flexicon corporation. Msds sodium sulfate aqueous solutions for ricca, spectropure, red bird, and solutions plus brands ecotoxicological information. It occurs in nature as the minerals miabilite and thenardite. We manufacture a standard grade product, for various end uses. Sodium dodecyl sulfate sds or sodium lauryl sulfate sls, sometimes written sodium laurilsulfate, is a synthetic organic compound with the formula c h 3 ch 2 11 so 4 na. Chemical waste generators must also consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification. The most important chemical sodium sulfate production is during hydrochloric acid production, either from sodium chloride salt and sulfuric acid, in the mannheim process, or from sulfur dioxide in the hargreaves process. Ou chemical safety data no longer updated more details irritant matrix scientific 097749. Other hazards not contributing to the classification. After aqueous extractions the organic layer always has a certain amount of water left in it.
Sodium sulfate, anhydrous, suitable for epa method 608, granular, reagent, acs is the sodium salt of sulfuric acid. Sodium sulfate is known as an industrial chemical that is often called salt cake based upon its former synthetic source of reacting salt with sulfuric acid. Sodium sulfate is generally freeflowing and crystalline in form. Anhydrous, it is a white crystalline solid of formula na 2 so 4 known as the mineral thenardite. Sodium sulfate is the sodium salt of sulfuric acid. Visit chemicalbook to find more sodium sulfate7757826 information like chemical properties,structure,melting point,boiling point,density,molecular formula. Salts, basic, such as sodium alkyl sulfates, are generally soluble in water. Sodium sulfate is soluble in cold water and very soluble in hot water. Get here the database of sodium sulphate cas no 7757826, sodium sulphate manufacturers, sodium sulfate suppliers and exporters. Commercial major source of sodium sulfate is salt cake impure sodium sulfate, a byproduct of hydrochloric acid production from sodium chloride by treatment with sulfuric acid. The chemical equation for this reaction is given by. Sodium hydrogen sulfate chemical and technical assessment cta prepared by madduri v. In 2000, the panel concluded that sodium sulfate is safe as used in rinseoff formulations and safe for use up to concentrations of 1% in leaveon formulations original assessment identified as sodsul032016prev. This monograph for sodium sulfate, anhydrous provides, in addition to common physical constants, a general description including typical appearance, applications, change in state approximate, and aqueous solubility.
1344 517 1239 1280 340 1207 1047 914 967 127 58 409 1466 1357 1330 8 1091 482 1040 753 329 1085 1290 701 247 1388 737 1077 791 475 95 1022 831 665 1101 1056 1258 1414 1388 539 1160 1165 1344 608 891 199