{"id":4874,"date":"2025-07-25T07:32:58","date_gmt":"2025-07-25T07:32:58","guid":{"rendered":"https:\/\/jinancuchem.com\/?post_type=product&p=4874"},"modified":"2025-07-25T07:32:58","modified_gmt":"2025-07-25T07:32:58","slug":"sodium-carbonate","status":"publish","type":"product","link":"https:\/\/jinancuchem.com\/fr\/produit\/sodium-carbonate\/","title":{"rendered":"Carbonate de sodium"},"content":{"rendered":"

\u3010CAS\u3011497-19-8<\/p>\n

Alias : soude, alcali pur, chaux alcaline, carbonate de sodium dihydrat\u00e9, soude en poudre<\/p>\n

Formule mol\u00e9culaire : Na2<\/sub>LE CO3<\/sub><\/p>\n

Masse mol\u00e9culaire relative : 105,99<\/p>\n

Formule structurelle : \"\"<\/p>\n

 <\/p>\n

1.Propri\u00e9t\u00e9 du produit<\/h4>\n

Le carbonate de sodium, \u00e9galement connu sous le nom de carbonate de soude ou de poudre de bicarbonate de soude, est un compos\u00e9 inorganique blanc en poudre (formule chimique : Na\u2082CO\u2083). Il est largement utilis\u00e9 dans la fabrication du verre, la production chimique, la production de d\u00e9tergents et la transformation des aliments (en tant que r\u00e9gulateur d'acide, E500). Sa forte alcalinit\u00e9 et sa capacit\u00e9 de nettoyage en font une mati\u00e8re premi\u00e8re importante pour le nettoyage industriel et le traitement de l'eau. Il est stable \u00e0 temp\u00e9rature ambiante et facilement soluble dans l'eau.<\/p>\n

 <\/p>\n

2.<\/h4>\n\n\n\n\n\n\n\n\n\n
Param\u00e8tres<\/b><\/strong><\/td>\nQualit\u00e9 industrielle<\/b><\/strong><\/td>\nQualit\u00e9 alimentaire <\/b><\/strong><\/td>\n<\/tr>\n
Puret\u00e9 (Na\u2082CO\u2083)<\/b><\/strong><\/td>\n\u226599.2%<\/td>\n\u226599.5%<\/td>\n<\/tr>\n
Chlorures (sous forme de NaCl)<\/b><\/strong><\/td>\n\u22640.5%<\/td>\n\u22640.1%<\/td>\n<\/tr>\n
Fer (Fe)<\/b><\/strong><\/td>\n\u22640.003%<\/td>\n\u22640.001%<\/td>\n<\/tr>\n
Insolubles dans l'eau<\/b><\/strong><\/td>\n\u22640.1%<\/td>\n\u22640.02%<\/td>\n<\/tr>\n
Densit\u00e9 en vrac<\/b><\/strong><\/td>\n0,9-1,2 g\/cm\u00b3<\/td>\n0,8-1,0 g\/cm\u00b3<\/td>\n<\/tr>\n
pH (solution 1%)<\/b><\/strong><\/td>\n11.0-11.6<\/td>\n11.0-11.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

3. Champ d'application et utilisation<\/h4>\n

Le carbonate de sodium (carbonate de soude) est largement utilis\u00e9 dans la fabrication du verre (demande mondiale de 50%), la production de d\u00e9tergents et de produits chimiques, le traitement de l'eau (ajustement du pH) et la transformation des aliments (en tant qu'agent de levage E500). Il est \u00e9galement utilis\u00e9 dans la m\u00e9tallurgie, le traitement des textiles et la d\u00e9sulfuration des gaz de combustion en raison de sa forte alcalinit\u00e9 et de sa rentabilit\u00e9.<\/p>\n

 <\/p>\n

4. l'emballage et le stockage<\/h4>\n

Le carbonate de sodium est emball\u00e9 dans des sacs en PP tiss\u00e9 r\u00e9sistants \u00e0 l'humidit\u00e9 de 25kg\/50kg avec une doublure en PE (la qualit\u00e9 alimentaire utilise une protection double couche). Stocker dans des entrep\u00f4ts secs et ventil\u00e9s \u00e0 une temp\u00e9rature inf\u00e9rieure \u00e0 30\u00b0C, \u00e0 l'abri des acides et de l'humidit\u00e9. Dur\u00e9e de conservation : 12 mois.<\/p>","protected":false},"excerpt":{"rendered":"

\u3010CAS\u3011497-19-8 Alias: Soda, pure alkali, lime alkali, sodium carbonate dihydrate, soda ash powder Molecular formula: Na2CO3 Relative molecular mass: 105.99 Structural formula:   1.Product Property Sodium carbonate, also known as soda ash or baking soda powder, is a white powdery inorganic compound (chemical formula: Na\u2082CO\u2083). It is widely used in glass manufacturing, chemical production, detergent 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Alias: Soda, pure alkali, lime alkali, sodium carbonate dihydrate, soda ash powder Molecular formula: Na2CO3 Relative molecular mass: 105.99 Structural formula:   1.Product Property Sodium carbonate, also known as soda ash or baking soda powder, is a white powdery inorganic compound (chemical formula: Na\u2082CO\u2083). It is widely used in glass manufacturing, chemical production, detergent\u2026","_links":{"self":[{"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/product\/4874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/media\/4881"}],"wp:attachment":[{"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/media?parent=4874"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/product_brand?post=4874"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/product_cat?post=4874"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jinancuchem.com\/fr\/wp-json\/wp\/v2\/product_tag?post=4874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}