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公司基本資料信息
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是否有現(xiàn)貨: | 是 | 認證: | ISO,kosher,halal FDA |
類型: | 正磷酸鹽 | 種類: | 鈉鹽 |
形態(tài): | 顆粒狀 | 等級標準: | 食品級 |
型號: | 二水磷酸氫二鈉 | 規(guī)格: | 二水 |
商標: | 科多 | 包裝: | 25公斤袋 |
CAS: | 7558-79-4 | 產(chǎn)量: | 10000 |
磷酸氫二鈉 DISODIUM PHOSPHATE
一、化學名:磷酸氫二鈉
二、分子式:Na2HPO4,Na2HPO4?2H2O,Na2HPO4?12H2O
三、分子量:無水物:141.96;二水物:177.99;十二水物:358.14
四、CAS:無水物:7558-79-4;二水物:10028-24-7;十二水物:10039-32-4
五、性狀:白色或無色斜方晶體或單斜晶系結(jié)晶,易溶于水,不溶于乙醇,相對密度為1.52,熔點34.6℃,180℃時失去結(jié)晶水成無水物。
六、用途:食品中作焙制品,防止氧化變色,奶制品的乳化劑,防止蛋白凝固,固體飲料起螯合,乳化緩沖作用。
七、包裝:內(nèi)襯聚乙烯塑料袋.外套復合塑料編織袋,每袋凈重25kg。
八、貯存與運輸:本品應貯存在干燥通風清潔的庫房中,裝載運輸時要輕裝輕放,防止包裝破損,防止受潮、受熱,運輸過程中防止雨淋受潮,應與有毒物品隔離。
質(zhì)量指標 |
Specification |
GB 25568-2010 |
FCC VII |
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含量Na2HPO4(以干基計),w/% ≥ |
Assay (Na2HPO4, Dry Basis),w/% ≥ |
98.0 |
98.0 |
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(As),mg/kg ≤ |
As, mg/kg ≤ |
3 |
3 |
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重金屬(以Pb計),mg/kg ≤ |
Heavy Metal (Pb), mg/kg ≤ |
10 |
―――― |
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鉛(Pb),mg/kg ≤ |
Pb,mg/kg ≤ |
4 |
4 |
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化物(以F計),mg/kg ≤ |
Fluorides,mg/kg ≤ |
50 |
50 |
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水不溶物,w/% ≤ |
Insoluble Substances,w/% ≤ |
0.2 |
0.2 |
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干燥減量,w/% |
Na2HPO4 ≤ |
Loss On Drying |
Na2HPO4 ≤ |
5.0 |
5.0 |
Na2HPO4?2H2O |
Na2HPO4?2H2O |
18.0-22.0 |
18.0~22.0 |
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Na2HPO4?12H2O ≤ |
Na2HPO4?12H2O ≤ |
61.0 |
―――― |
1、Chemical Name: Disodium Phosphate
2、Molecular Formula:, Na2HPO4,Na2HPO4?2H2O,Na2HPO4?12H2O
3、Molecular Weight: Anhydrous: 141.99; Dihydrate: 177.96; Dodecahydrate: 358.14
4、CAS: Anhydrous: 7558-79-4; Dihydrate: 10028-24-7; Dodecahydrate: 10039-32-4
5、Character: ’s easily soluble in water,1.52 and melting point is 34.6℃. If heated to 180℃, it will lose crystal water and convert to anhydrous.
6、Usage: In food industry,.
7、Packing: 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation,, it must be stored separately from poisonous substances.