Tetrasodium EDTA is the salt resulting from the neutralization of ethylenediaminetetraacetic acid with four equivalents of sodium hydroxide (or an equivalent sodium base). It is a white solid that is highly soluble in water. Commercial samples are often hydrated , e.g. Na 4 EDTA 4H 2 O. The properties of solutions produced from the anhydrous and hydrated forms are the same, provided they are at the same pH.
4-686: E39 may refer to: Tetrasodium EDTA , a cosmetics additive BMW 5 Series (E39) , the BMW 5 Series mid-size luxury car manufactured between 1995 and 2003 European route E39 , a part of Norwegian national road system HMS E39 , a British E class submarine E39 screw , a type of Edison screw Asahikawa-Monbetsu Expressway , route E39 in Japan Setiawangsa–Pantai Expressway , route E39 in Malaysia [REDACTED] Topics referred to by
8-556: Is also known as Dissolvine E-39 . It is a salt of edetic acid . It has been known at least since 1954. It is sometimes used as a chelating agent . The assignee on 5% of patents at the USPTO containing the substance is the firm Procter and Gamble . It is used most notably in cosmetics and hair and skin care products. The substance has been used to aid in formulation of a removal product for rust, corrosion , and scale from ferrous metal , copper , brass , and other surfaces. At
12-426: Is different from Wikidata All article disambiguation pages All disambiguation pages Tetrasodium EDTA It is used as a source of the chelating agent EDTA . A 1% aqueous solution has a pH of approximately 11.3. When dissolved in neutral water, it converts partially to H 2 EDTA . Ethylenediaminetetraacetic acid is produced commercially via the intermediacy of tetrasodium EDTA. The substance
16-448: The same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=E39&oldid=1187926442 " Category : Letter–number combination disambiguation pages Hidden categories: Short description
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