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点击量:发布时间:2020-12-14 16:39

Sodium fluoride
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.
[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.
高纯氟化钠
CAS 号: 7681-49-4
联合国编码:1690
海关编码: 2826192010
分子量:42
【氟化钠的物化性质】:氟化钠是无水白色结晶或粉末。分子式NaF,比重2.6,不溶于水, 溶于乙醇。
【产品质量标准】:符合国标(GB4293-84)一级品指标要求。
【产品用途】:主要用作医药、牙膏,漱口水工业等方面。
【包装】: 聚乙烯编织袋内衬塑料袋,每袋净重25KG。
【贮运】: 本品属无机有毒物品,宜存放在干燥、通风良好的储存室,不宜与硫酸或食品同运和贮存。
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.
高纯氟化钠
CAS 号: 7681-49-4
联合国编码:1690
海关编码: 2826192010
分子量:42
【氟化钠的物化性质】:氟化钠是无水白色结晶或粉末。分子式NaF,比重2.6,不溶于水, 溶于乙醇。
【产品质量标准】:符合国标(GB4293-84)一级品指标要求。
| 指标项目 | 国标含量 (%) | 测试值(%) |
| 外观 | 白色粉末 | 白色粉末 |
| 氟化钠(NaF) | ≥99 | 99.5 |
| 二氧化硅 (SiO2) | ≤0.5 | 0.15 |
| 硫酸盐(SiO4) | ≤0.2 | 0.03 |
| 酸度 (HF) | ≤0.1 | --- |
| 碳酸钠 (Na2CO3) | ≤0.1 | 0.02 |
| 水不溶物 | ≤0.5 | 0.03 |
| 水(H2O) | ≤0.5 | 0.1 |
| 铅 | ≤0.005 | 0.002 |
| 铁 | ≤0.005 | 0.003 |
| 砷 | ≤0.0005 | 0.0004 |
| 目数 | 80—200目 | 180-200目 |
【包装】: 聚乙烯编织袋内衬塑料袋,每袋净重25KG。
【贮运】: 本品属无机有毒物品,宜存放在干燥、通风良好的储存室,不宜与硫酸或食品同运和贮存。
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