氟化鈉 (牙膏級)
CAS號:7681-49-4
聯(lián)合國編碼:1690
海關(guān)編碼:2826192010
分子量:42
【氟化鈉的物化性質(zhì)】:氟化鈉是無水白色結(jié)晶或粉末。分子式NaF,比重2.6,不溶于水, 溶于乙醇。
【產(chǎn)品質(zhì)量標準】:符合國標(GB4293-84)一級品指標要求。
指標項目 | 國標含量 (%) | 測試值(%) |
外觀 | 白色粉末 | 白色粉末 |
氟化鈉(NaF) | ≥99 | 99.5 |
二氧化硅 (SiO2) | ≤0.5 | 0.15 |
硫酸鹽(SiO4) | ≤0.2 | 0.03 |
酸度 (HF) | ≤0.1 | --- |
碳酸鈉 (Na2CO3) | ≤0.1 | 0.02 |
水不溶物 | ≤0.5 | 0.03 |
水(H2O) | ≤0.5 | 0.1 |
鉛 | ≤0.005 | 0.002 |
鐵 | ≤0.005 | 0.003 |
砷 | ≤0.0005 | 0.0004 |
目數(shù) | 80—200目 | 180-200目 |
【產(chǎn)品用途】:主要用作醫(yī)藥、牙膏,漱口水工業(yè)等方面。
【包裝】:聚乙烯編織袋內(nèi)襯塑料袋,每袋凈重25KG。
【貯運】:本品屬無機有毒物品,宜存放在干燥、通風良好的儲存室,不宜與硫酸或食品同運和貯存。
Sodium fluoride(Toothpaste grade)
CAS No.: 7681-49-4
UN No.:1690
HS Code:2826192010
Molecular weight:42
[Properties]:Sodium fluoride is anhydrous white crystal or powder. Molecular formula is NaF. Specific gravity is 2.6. It is slightly soluble in water, insoluble in ethanol.
[Quality standard]:qualified with the standard excellent grade.
Index item | Standard content (%) | Test result (%) |
appearance | White powder | White powder |
Sodium fluoride(NaF) | ≥99 | 99.5 |
Silicon dioxide (SiO2) | ≤0.5 | 0.15 |
Sulfate (SiO4) | ≤0.2 | 0.03 |
Acidity (HF) | ≤0.1 | --- |
Sodium carbonate (Na2CO3) | ≤0.1 | 0.02 |
Water insoluble matter | ≤0.5 | 0.03 |
Water(H2O) | ≤0.5 | 0.1 |
Pb | ≤0.005 | 0.002 |
Fe | ≤0.005 | 0.003 |
As | ≤0.0005 | 0.0004 |
Mesh size | 80—200mesh | 180-200mesh |
[Application]: It is mainly used in medical, toothpaste and mouth wash industry etc.
[Packing]: Polyethylene weaving inner lined with plastic bag. Net weight is 25kg.
[storage and transportation]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.