{"id":535,"date":"2025-12-03T13:03:39","date_gmt":"2025-12-03T05:03:39","guid":{"rendered":"https:\/\/www.wingkeji.com\/?post_type=product&p=535"},"modified":"2026-04-14T10:09:10","modified_gmt":"2026-04-14T02:09:10","slug":"anhydrous-citric-acid","status":"publish","type":"product","link":"https:\/\/www.wingkeji.com\/zh\/product\/anhydrous-citric-acid\/","title":{"rendered":"Anhydrous Citric Acid"},"content":{"rendered":"

Product Introduction<\/span><\/span><\/strong><\/p>\n

Anhydrous citric acid, with the chemical formula C6H8O7, is a white crystalline powder, odorless, and extremely sour. <\/span><\/span><\/span><\/span> It is soluble in water, ethanol and ether, and insoluble in benzene and chloroform. <\/span><\/span><\/span><\/span> Anhydrous citric <\/span><\/span><\/span><\/span>acid has a stronger hygroscopicity and is easily damp and agglomerated in the air. <\/span><\/span><\/span><\/span> used in various fields.<\/span><\/span><\/span><\/span><\/p>\n

Quality standards<\/span><\/span><\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Name<\/td>\nCitric Acid Anhydrous<\/td>\n<\/tr>\n
CAS No.<\/td>\n77-92-9<\/td>\n<\/tr>\n
Chemical formula<\/td>\nC6H807<\/td>\n<\/tr>\n
Specification<\/td>\nBP 98\/USP 24<\/td>\n<\/tr>\n
Packing<\/td>\nIn 25kg paper bags<\/td>\n<\/tr>\n
Functional use<\/td>\nAcidity regulator<\/td>\n<\/tr>\n
Items<\/td>\nSpecifications<\/td>\n<\/tr>\n
Appearance<\/td>\nWhite crystals or crystalline powder<\/td>\n<\/tr>\n
Identification<\/td>\nConforms<\/td>\n<\/tr>\n
Clarity and color of Solution<\/td>\nConforms<\/td>\n<\/tr>\n
Assay<\/td>\n99.5 – 101.0%<\/td>\n<\/tr>\n
Chloride(CI)<\/td>\n50 ppm max<\/td>\n<\/tr>\n
Sulfate(SO42-)<\/td>\n150 ppm max<\/td>\n<\/tr>\n
Loss on drying<\/td>\n1% max<\/td>\n<\/tr>\n
Heavy metals(Pb)<\/td>\n10 ppm max<\/td>\n<\/tr>\n
Barium<\/td>\nConforms<\/td>\n<\/tr>\n
Iron<\/td>\n50 ppm max<\/td>\n<\/tr>\n
Calcium<\/td>\n200 ppm max<\/td>\n<\/tr>\n
Oxalate<\/td>\n350 ppm max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Applications<\/span><\/span><\/strong>
\n Food industry: acidity regulator (beverages, jams), antioxidant enhancers;<\/span><\/span><\/p>\n

Medical field: tablet disintegrants, anticoagulants (citrate salts);<\/span><\/span><\/p>\n

Chemical cleaning: boiler descaling agents, metal surface treatment;<\/span><\/span><\/p>\n

Daily chemical products: pH regulators for toiletries (such as shampoo, shower gel).<\/span><\/span><\/p>\n

Notes<\/strong>
\nConcentration control: High concentration of citric acid may corrode teeth or irritate skin, so it needs to be added according to the standard.
\nStorage conditions: It needs to be stored away from light and moisture to avoid caking or deterioration<\/p>\n

Packaging, Storage and Transportation<\/strong>
\nThis solid is packed in a 25-kilogram bag.
\nDo not get damp. Do not store together with flammable, corrosive, toxic or alkaline substances.<\/p>\n

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Product Introduction Anhydrous citric acid, with the chemical formula C6H8O7, is a white crystalline powder, odorless, and extremely sour. It<\/p>","protected":false},"featured_media":416,"template":"","meta":[],"product_brand":[],"product_cat":[38,15],"product_tag":[],"class_list":{"0":"post-535","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-anhydrous-citric-acid","7":"product_cat-organic-chemicals","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product\/535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":9,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product\/535\/revisions"}],"predecessor-version":[{"id":956,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product\/535\/revisions\/956"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/media\/416"}],"wp:attachment":[{"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/media?parent=535"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product_brand?post=535"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product_cat?post=535"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.wingkeji.com\/zh\/wp-json\/wp\/v2\/product_tag?post=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}