Sodium iodide 碘化钠

CAS 7681-82-5 MFCD00003532

化学结构图

7681-82-5
SMILES: [I-].[Na+]

化学属性

Mol. FormulaINa
Mol. Weight149.89
Density3.67
Vapor Density>;1 (vs air)
Melting Point661°C
Refractive index1.7745
TSCAYes
Boiling Point1300°C at 760 mmHg
SolubilitySoluble in water (1840 mg/ml at 25 °C), alcohol, glycerol, and acetone. Insoluble in ether
Stability对光敏感
Flash Point1300-1304°C
Appearance 无色立方晶体或白色结晶性粉末。无臭、味咸苦。 易溶于水,溶于甲醇、乙醇、丙酮、甘油、液氨和液体二氧化硫。水溶液呈微碱性。 beads

别名和识别编码

Chemical NameSodium iodide
MDL NumberMFCD00003532
CAS Number7681-82-5
Synonym Sodium Iodide,99% {LY} Sodium Iodide,99% {} {LY} Sodium Iodide,99% {} {} {LY} Sodium Iodide,99% {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99% {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Sodium Iodide,99%
PubChem Substance ID5238
EC Number231-679-3
Merck Number8631
Chemical Name Translation碘化钠
Wiswesser Line NotationNA I
LabNetwork Molecule IDLN00194237
InChIInChI=1S/HI.Na/h1H;/q;+1/p-1
Canonical SMILES[Na]I
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分类

  • {Chemicalbook} 无机化工产品: 无机盐: Ci碘
  • {SNA} Chemical Synthesis, Crystal Grade Inorganics, Inorganic Salts, Materials Science, Metal and Ceramic Science, Na, Salts, Sodium, Sodium Salts, Synthetic Reagents, Ultra-High Purity Materials
  • {SNA} 11: Na, Beaded Materials, Chemical Synthesis, Crystal Grade Inorganics, Essential Chemicals, Inorganic Salts, Materials Science, Metal and Ceramic Science, Na, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents,

产品应用

  • 化学工业用作制备无机和有机碘化物的重要原料,也用作碘的助溶剂和用于配制碘乳剂。医药工业用于生产祛痰剂和利尿剂等药物。感光工业用作胶片的感光剂,分析化学中用作点滴分析及其他分析试剂。化学反应中用作氧化剂。
  • 当温度低于65.6℃,碘化钠在水溶液中形成含水数目不定的各种水合物。室温下由溶液析出二水物,为无色棱形晶体,-13.5~31.5℃内可析出五水物。与二氧化硫作用,生成相应的稳定化合物。有还原性,可被氧化别氧化,游离出碘。

相关文献及参考

  • Converts alkyl chlorides or bromides to iodides (Finkelstein reaction). Preferred solvents are acetone or MEK, in which NaI, but not the chloride or bromide, is soluble. See, e.g.: Org. Synth. Coll., 2, 476 (1955); 4, 84 (1963). Activated aryl halides, such as 1-chloro-2,4-dinitrobenzene can be converted to iodides by reaction with NaI in DMF: Org. Synth. Coll., 5, 478 (1973).
  • In combination with Titanium(IV)­ chloride, 14713, reduction of amine oxides and nitrones occurs: Chem. Ber., 123, 647 (1990). Similarly, sulfoxides are reduced to sulfides: Synthesis, 155 (1991), and mild reductive deoximation can be effected: Synth. Commun., 21,1777 (1991).
  • Ethers can be cleaved to ω-iodo esters with a combination of NaI and an acyl chloride: Tetrahedron Lett., 23, 681 (1982). Cleavage of ethers also occurs in the presence of TMS chloride: Angew. Chem. Int. Ed., 20, 690 (1981); J. Org. Chem., 44, 1247 (1979); 48, 3667 (1983). The same combination also reduces benzylic alcohols to arylmethanes: Tetrahedron Lett., 28, 3817 (1987); Bull. Chem. Soc. Jpn., 62, 3537 (1989) and deprotects MEM ethers: Tetrahedron Lett., 25, 1429 (1984); see 2-Methoxyethoxymethyl­ chloride, L01050.
  • Frequently used in catalytic amounts to increase the rate of nucleophilic displacement reactions of alkyl halides and sulfonates; see, for example: Org. Synth. Coll., 9, 46 (1998).

安全信息

GHS Symbol
WGK Germany1
Precautionary statements
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P264+P265
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • 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。
  • P302+P350
  • P302+P352
  • P302+P352+P332+P313+P362+P364
  • P304+P340
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适,呼叫解毒中心或医生/医师。
  • P314 Get medical advice/attention if you feel unwell. 获取医疗咨询/就医,如果你觉得不舒服
  • P319
  • P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
  • P332+P313
  • P332+P317
  • P337+P313
  • P337+P317
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
  • P362+P364
  • P391 Collect spillage. Hazardous to the aquatic environment 收集对水环境有危害的泄漏物。
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Hazard statements
  • H303 May be harmfully swallowed 吞食可能有害
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H372 Causes damage to organs through prolonged or repeated exposure 长期或频繁接触会损伤器官
  • H400 Verytoxictoaquaticlife 对水生生物毒性非常大。
Signal word
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
RTECSWB6475000
Risk Statements
  • R63 Possible risk of harm to the unborn child 可能危害未出生婴儿
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
  • R50 Very toxic to aquatic organisms 对水生生物极毒
Safety Statements
  • 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 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
Storage condition RT, protect from light, stored under nitrogen {LY} RT, protect from light, stored under nitrogen Store at RT. {} {LY} RT, protect from light, stored under nitrogen {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {LY} RT, protect from light, stored under nitrogen {} {} {} {} {} {} {} {} {} {} {} {} {LY} RT, protect from ligh
Hazard Codes Xi,N Xi
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4340 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku,"
   Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu
   Praha, Czechoslovakia, 1972  Volume(issue)/page/year: -,21,1972

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2362 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 30,407,1927

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year:

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 760 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   HBAMAK "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." (Leipzig,
   Ger. Dem. Rep.)  Volume(issue)/page/year: 4,1289,1935

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF E

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE                    : 9240 mg/kg
SEX/DURATION            : female 1-43 week(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - endocrine system
   Reproductive - Effects on Newborn - other postnatal measures or effects
REFERENCE :
   ADCHAK Archives of Disease in Childhood.  (British Medical Journal, POB
   560B, Kennebunkport, ME 04046)  V.1-    1926-  Volume(issue)/page/year:
   38,526,1963

其他信息

  • 防护措施:参见碘。
  • Sodium Iodide is a cry
  • Sigma Aldrich:7681-82-5(sigmaaldrich)
  • 方法一:八碘化三铁法按碘:铁屑=3.3:1的质量比,先将洗净的铁屑加入反应器内,再加水,加水量与铁屑质量比为7:1。分批加入碘片,由于碘和铁反应时产生大量的热,在反应器外需用冷水冷却,使其温度低于65℃。加入碘片后溶液呈深红棕色,待溶液呈淡绿色后,加入第二批碘,过滤除去铁屑,再加入碘反应生成八碘化三铁。在容器中加入碳酸氢钠溶液,在搅拌下缓慢加入八碘化三铁进行反应,此时有二氧化碳气体逸出。反应溶液经静置,吸出上层清液,蒸发浓缩至70~72°Bé,趁热过滤,经冷却结晶、离心分离、干燥,制得碘化钠成品。其 Fe+I2→FeI2 3FeI2+I2→Fe3I8 Fe3I8+8NaHCO3→8NaI+Fe3O4+4H2O+8CO2↑ 铁屑还原法取理论量的:100%~103%烧碱,加水稀释成10%溶液,于反应器中加热至60~80℃,在搅拌下分次加入定量碘,于80~90℃保温搅拌反应约1h,反应液为棕色,Ph值为6~7,同时有碘酸钠的白色结晶析出。将反应液降温至30℃以下,加入2倍于理论量的铁屑使碘酸钠还原成碘化钠。开始反应较剧烈,待反应缓和后,加热煮沸,继续搅拌反应1~2h,然后用10%烧碱溶液调节Ph值为8,煮沸30min,经冷却、静置过
  • 碘化钠价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 20039818 碘化钠 500g 550元 2011/08/23 20039828 碘化钠 500g 535元 2011/08/23 51024360 碘化钠 5g 26.2元
  • MSDS 信息:Sodium iodide (7681-82-5).msds
  • Acros Organics:碘化钠 Sodium iodide, anhydrous, pure, 99+%(7681-82-5)
  • 上游原料:碘 --> 铁屑 --> 碘 --> 碘酸钠
  • 参考质量标准:参考标准 指标名称 指标 碘化钠(NaI)/%≥ 99.0 硫酸盐(以SO4 2- 计)/%≤ 0.040 干燥失重/%≤ 3.0 重金属(以Pb计)/%≤ 0
  • 蒸气密度:>;1 (vs air)
  • 水中溶解度(g/100ml):不同温度(℃)时每100毫升水中的溶解克数: 159g/0℃;167g/10℃;178g/20℃;191g/30℃;205g/40℃ 257g/60℃;295g/80℃;302g/100℃
  • 相关化学反应:碘化钠与氯或溴作用,均能生成单质碘,同时能生成卤化钠。 (1) 2NaI+Cl2=2NaCl+I2 (2) 2NaI+Br2=2NaBr+I2 碘化钠与酸作用,均能生成相应酸的钠盐,同时能生成碘化氢、氢碘酸或单质碘。 (3)NaI+H3PO4=NaH2PO4+HI (4)2NaI+H3PO4=NaH2PO4+2HI (5)3NaI+H3PO4=Na3PO4+3HI (6)NaI+H3Sb4=NaH2SbO4(白色)+HI (7)NaI+H2SO4(浓)=NaHSO4+HI (8)2NaI+3H2SO4(浓)=2NaHSO4+I2+SO2+2H2O (9) NaI+HCl=NaCl+HI 碘化钠与次氯酸作用,生成氯化钠、氢氧化钠和单质碘。 (10) 2NaI+HOCl=NaCl+NaOH+I2 碘化钠与下列盐或氧化物作用,能生成不同的钠盐。 (11) NaI+6Ce(SO4)2+3H2O=NaIO3+3Ce2(SO4)3+3H2SO4 (12) 2NaI+4Ce(SO4)2+2HCl=Na2SO4+2Ce2(SO4)2+2ICl+H2SO4 (13) NaI+3NaIO4=4NaIO3 (14) 2NaI+3NaIO4+3H2O=NaIO3+2Na2H3IO6+I2 (15) 2NaI+2CO2+H2O2=2NaHCO3+I2 (16) 2NaI+MnO2+3H2SO4=2NaHSO4+MnSO4+I2+2H2O
  • Sodium Iodide is a crystalline salt commonly used in the Finkelstein reac

系列性分类


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