氢氧化钠
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产品介绍
一简介
1 名称：氢氧化钠
2 分子式：NaOH
3 分子量：40.01
4 物理特性：熔点318.4℃，沸点1390℃，相对密度2.130。
5 化学特性：溶解性易溶于水，同时强烈放热。
并溶于乙醇和甘油；不溶于丙酮、乙醚。
露放在空气中，最后会完全溶解成溶液。
6 规格：片状99，96；颗粒99,96
7 外观：片碱，粒碱，固碱。
二明细
1 图片Picture
氢氧化钠片碱NaOH晶体放大图片氢氧化钠放大图
2. 运输或储藏：储存注意事项，大量接触烧碱时应佩带防护用具。
3. 用途：用途广泛，化工，医药，食品，冶金，金属表面处理，石油精炼，造纸，印染，玻璃，搪瓷，制革等方面都有应用。
4. 生产工艺：
（1）过滤海水;
（2）加入过量氢氧化钠，去除钙、镁离子，过滤
Ca2+ +2OH- =Ca(OH)₂（微溶）;
Mg2+ +2OH- =Mg(OH)₂
（3）利用反渗透膜法生产技术出去盐水中的SO4（₂-）
（4）加入过量碳酸钠，去除钙离子、过量钡离子，过滤
Ca2+ +CO₃2- =CaCO₃
Ba2+ +CO₃2- =BaCO₃
（5）加入适量盐酸，去除过量碳酸根离子
2H+ +CO₃(₂-) =CO₂+H₂O
（6）加热驱除二氧化碳
（7）送入离子交换塔，进一步去除钙、镁离子
（8）电解:2NaCl+2H₂O=(通电)H₂+Cl₂+2NaOH
5. 特点：八类危品，具有很强的腐蚀性，运费比普通货物要高，如果客户不要求不打托。
遇空气化为水，所以是即开即用，和甲酸冰醋酸一样不能寄样品。
6. 其他: 有强烈的腐蚀性，有吸水性，可用作干燥剂
名称氢氧化钠
分子式NaOH
分子量40.01
规格片状99，96；颗粒99,96 CAS 码1310-73-2;8012-01-9 EINECS号215-185-5
包装25kgs/bag
装箱量片状99，96 22-25吨
是否危险品是
监管条件G
HS 编码2815.1100
起运港天津或青岛
目标市场西欧日本
是否加托盘可加可不加
Name: Sodium Hydroxide
Molecular formula: NaOH
Molecular weight: 40.01
Physical Property: Melting point 318.4 degrees Celsius, boiling point 1390 degrees Celsius, relative density 2.130.
Chemical properties: Solubility soluble in water and heat. And soluble in ethanol and glycerin, Insoluble in acetone, either. Dew on the air, finally will completely dissolved into solution.
Specification: Slice 99, 96; Grain of alkali 99, 96.
Appearance: Slice, grain, solid alkali.
氢氧化钠片碱NaOH晶体放大图片氢氧化钠放大图
Detail
Transport or Storage: Storage note, large contact should wear protective appliances caustic soda.
Usage: A wide range of uses, chemical, pharmaceutical, food, metal surface treatment, metallurgy, petroleum refining, papermaking, printing and dyeing, glass, leather, enamel, etc are applied.
Production process:
(1) filtering seawater
(2) to remove excess sodium hydroxide, calcium and magnesium ions, filter
Ca2+ +2OH- =Ca(OH)₂ (slightly soluble)
Mg2+ +2OH- =Mg(OH)₂
(3) using reverse osmosis membrane production technology in the brine ₂ SO4 (out) -
(4) add, remove excess calcium ions, sodium carbonate ions, filtering. Excess barium
Ca2+ +CO₃2- =CaCO₃
Ba2+ +CO₃2- =BaCO₃
(5) stir-in hydrochloric acid, remove excess carbonate ions
2H+ +CO₃(₂-) =CO₂+H₂O
(6) heating drive CO₂
(7) into the ion exchange, further removes calcium, magnesium ions
(8) electrolysis
2NaCl+2H₂O=(通电)H₂+Cl₂+2NaOH
Features: Eight kinds of dangerous goods, strong corrosive, freight cargo than ordinary high, if the customer does not require, no tray. When air into the water, so is open, and which can send the samples as acid glacial acetic acid.
Other: Have strong corrosive, can make up water, desiccant.
Sheet
Name Sodium Hydroxide
molecular formula NaOH
molecular weight40.01
CAS code
EINECS code
Specification Slice 99, 96; Grain of alkali 99, 96 Package 25kgs/bag
Loading Slice 99, 96 22-25tons/20’FCL Hazardous chemicals yes
Supervision condition G
HS code 2815.1100
Port of loading Tianjin or Qingdao
Target market West Euro, Japan
Pallet or not no。
