Sodium bisulfite 亚硫酸氢钠

CAS 7631-90-5 MFCD00003530

化学结构图

7631-90-5
SMILES: O=S([O-])O.[Na+]

化学属性

Mol. FormulaH2NaO3S+
Mol. Weight105.07
Density1.48
Melting Point>300C°C
Solubility300 G/L
Stability对湿度敏感，易吸潮
pH:A
Boiling Point-
Flash Point-

别名和识别编码

Chemical NameSodium bisulfite
Synonym Sodium hydrogen sulfite {LY} Sodium hydrogen sulfite {} {LY} Sodium hydrogen sulfite {} {} {LY} Sodium hydrogen sulfite {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium hydrogen sulfite {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {
CAS Number7631-90-5
EC Number231-548-0
Beilstein Registry Number2384789
MDL Number-
PubChem Substance ID24854644
Chemical Name Translation亚硫酸氢钠
Merck Number13,8660
LabNetwork Molecule IDLN00195008
Canonical SMILESO=S(O)O.[Na+]
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分类

  • {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents
  • {uni_hamburg} no charge; 2fragments; ionic
  • {SNA} Chemical Synthesis, Inorganic Salts, Sodium, Synthetic Reagents

产品应用

  • 还原剂，防腐剂，消毒剂，漂白剂。用于有机物漂白和食品的保存，在染料、造纸、制革、化学合成等工业中作为还原剂，酿造、饮料行业中用作杀菌剂。用于生产糖精、香料和盐酸羟胺等。

相关文献及参考

  • Merck: 14,8588
  • Short: EINECS2
  • Short: IV/1b

安全信息

Signal word Danger Warning
GHS Symbol
WGK Germany1
Safety Statements
  • S25 Avoid contact with eyes 避免眼睛接触；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • S39 Wear eye/face protection 戴眼睛/面孔保护装置；
  • S46 If swallowed, seek medical advice immediately and show this container or label 食入时，立即求医并出示容器/标签；
Risk Statements
  • R22 Harmful if swallowed 吞咽有害
  • R31 Contact with acids liberates toxic gas 与酸接触释放出有毒气体
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R41 Risk of serious damage to eyes 有严重损伤眼睛的危险
  • R52 Harmful to aquatic organisms 对水生生物有害
Precautionary statements
  • P233 Keep container tightly closed. ?保持容器密闭。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P312
  • P301+P312+P330
  • P305+P351+P338+P310
RTECSVZ2000000
Hazard statements
  • H318 Causes serious eye damage 严重伤害眼睛
  • H302 Harmful if swallowed 吞食有害
Hazard Codes 9 Xn
UN Number 3077
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves Eyeshields, Faceshields, Gloves
Storage condition Store at room temperature {LY} Store at room temperature {} {LY} Store at room temperature {} {} {LY} Store at room temperature {} {} {} {LY} Store at room temperature {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {}
Packing GroupIII
Warnings 危化品目录(2015) 危险化学品

其他信息

  • 含量分析:在带有玻塞的烧瓶中?准确移入0.1mol/L碘液50ml，加入精确称取的试样约200mg，塞紧。放置5min，加盐酸1ml，加淀粉试液(TS-235)作为指示剂。用0.1mol/L硫代硫酸钠滴定过量的碘。每mI，0.1mol/L碘液相当于二氧化硫(SO2)3.203mg。
  • 参考质量标准三:指标名称@GB1894-80@FCC(1996)@F)/WHO,1999 亚硫酸钠 ≥96.0% - - SO2含量 - 58.5%～67.4% 58.5%～67.4% 铁（同“09006”） ≤0.02% ≤0.005% ≤10mg/kg 水不溶物（GT-33） ≤0.03% - 正常 游离碱（以Na2CO3计
  • 使用限量:GB 2760-2001(g/kg)：蜜饯、干果、干菜、粉丝、葡萄糖、食糖、冰糖、饴糖、糖果、液体葡萄糖、竹笋、蘑菇及蘑菇罐头，0.45；薯类淀粉0.20(残留量≤0.03)；新鲜葡萄(片剂气化法，以亚硫酸盐计)2．4(残留量以SO2计≤0.05，片剂外包装注明不得食用) FAO/WHO(1984)：速冻小虾、对虾、龙虾(生制品)100mg/kg， (熟制品)30mg/kg(以SO2计)；速冻法式炸土豆50mg/kg(以SO2计)；带防腐剂的菠萝浓汁500mg/kg(以SO2计，仅用于制造)。 日本规定的最大残留量(以SO2计)：杏干、桃干2g/kg；明胶0.5g/kg；糖蜜、淀粉糖浆0.3g/kg；果子
  • 用途四:用于棉织物及有机物的漂白。在染料、造纸、制革、化学合成等工业中用作还原剂。医药工业用于生产安乃近和氨基比林的中间体。食用级产品用作漂白剂、防腐剂、抗氧化剂。
  • 方法一:在亚硫酸氢钠母液(含NaHSO3 40%，Ph值3～4)中缓缓加入纯碱，生成亚硫酸钠溶液(至料浆Ph值达7～8为终点)；此亚硫酸钠溶液于串联反应器(2～3只)中吸收由硫磺燃烧制得的SO2气体(10%～13%)，反应生成亚硫酸氢钠(反应温度不再上升即为终点)，反应过程中析出大量的结晶，经离心分离得含水分6%～10%的湿品，再经250～300℃的气流干燥脱水即得产品。 2NaHSO3+Na2CO3→2Na2SO3+H2O+CO2↑ NaSO3+H2O→2NaHSO3
  • 用途五:还原剂，防腐剂，消毒剂，漂白剂。用于有机物漂白和食品的保存，在染料、造纸、制革、化学合成等工业中作为还原剂，酿造、饮料行业中用作杀菌剂。用于生产糖精、香料和盐酸羟胺等。
  • 毒性分级:中毒
  • 急性毒性
  • MOL 文件:7631-90-5.mol
  • {Chemica
  • 用途一:用作还原剂、食品防腐剂及漂白剂等
  • Sigma Aldrich:7631-90-5(sigmaaldrich)
  • MSDS 信息:亚硫酸氢钠(7631-90-5).msds
  • 急性毒性:口服-大鼠 LD50: 2000 毫克/公斤; 腹注-小鼠 LD50: 675 毫克/公斤
  • 方法二:用纯碱溶液吸收制硫酸尾气中的二氧化硫生成亚硫酸氢钠，经离心分离，在250～300℃进行气流干燥，制得亚硫酸氢钠。其 Na2CO3+2SO2+H2O→2NaHSO3+CO2↑
  • 参考质量标准二:参考标准 指标名称 指标 一级 二级 亚硫酸氢钠(NaHSO3)/%≥ 38 34 二氧化硫(SO2)/%≥ 24.5 22 铁(Fe)/%≤ 0.01 0.015 Ph值 4～4.6 4.3～4.9 印度国家标准IS 248—1971 指标名称 指标 照相级 工业级 纯度(以SO2计)/%≥ 60.0 58.0 Ph值(5%溶液) 4.0～4.5 4.65～5.5 水不溶物/%≤ 0.02 0.05 铁(以Fe计)/%≤ 0.01 0.02 重金属(以Pb计)%≤ 0.02 0.1
  • Acros Organics:亚硫酸氢钠 Sodium bisulfite, for analysis ACS(7631-90-5)
  • 灭火剂:大量水
  • 职业标准:TWA 5 毫克/立方米; TWA 5 毫克/立方米
  • 可燃性危险特性:遇热分解有毒
  • {Chemicalbook

系列性分类

  1. Chemical Synthesis 化学合成
  2. Catalysis and Inorganic Chemistry 催化剂和无机化学
  3. Sodium - Catalysis and Inorganic Chemistry
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Organic Bases - Synthetic Reagents
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Reagents
  3. Analytical Reagents for General Use - Analytical Reagents
  4. Puriss p.a. ACS - Analytical Reagents for General Use
  1. Research Essentials 基础科研
  2. Essential Chemicals - Research Essentials
  3. Inorganic Salts, Solutions and Reagents - Essential Chemicals
  4. ACS Grade - Inorganic Salts, Solutions and Reagents
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Inorganic Salts - Synthetic Reagents
  4. Sodium - Inorganic Salts
  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. Inorganic Salts - Synthetic Reagents
  4. Sodium - Inorganic Salts
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Standards
  3. Alphabetic - Analytical Standards
  4. M - Alphabetic
  5. META - METH - M
  1. Analytical & Chromatography 分析化学与色谱
  2. Routine Reagents
  1. Analytical & Chromatography 分析化学与色谱
  2. Adsorbents, Filter Aids and Drying Agents
  3. Other Drying Agents
  1. Analytical & Chromatography 分析化学与色谱
  2. Inorganic Salts
  3. Rubidium
  1. Functional Group 官能团索引
  2. sulfuric acid
  1. Chemical Synthesis 化学合成
  2. 无机盐
  1. Chemical Synthesis 化学合成
  2. 无机盐

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