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氯胺-T

氯胺-T
Ball-and-stick model of the component ions of chloramine-T
IUPAC名
N-Chloro 4-methylbenzenesulfonamide, sodium salt
别名 氯胺T
识别
CAS号 127-65-1  checkY
7080-50-4(三水)  checkY
PubChem 3641960
31388(对应的酸)
ChemSpider 287605529119 对应的酸
SMILES
 
  • [Na+].O=S(=O)([N-]Cl)c1ccc(cc1)C
InChI
 
  • 1/C7H7ClNO2S.Na/c1-6-2-4-7(5-3-6)12(10,11)9-8;/h2-5H,1H3;/q-1;+1
InChIKey VDQQXEISLMTGAB-UHFFFAOYAP
EINECS 204-854-7
ChEBI 53782
KEGG D02445
性质
化学式 C7H7ClNO2S·Na
C7H7ClNO2S·Na·(3H2O)(三水合物)
摩尔质量 227.64 g·mol⁻¹
外观 白色固体
密度 1.4 g/cm3
熔点 167-169 °C(440-442 K)(130 °C时就会分解放出氯气)
溶解性 >100 mg/mL(水合物)[1]
药理学
ATC代码 D08AX04D08),QP53AB04
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中腐蚀性物质的标签图案《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案《全球化学品统一分类和标签制度》(简称“GHS”)中对人体有害物质的标签图案
GHS提示词 Danger
H-术语 H302, H314, H334
P-术语 P260, P261, P264, P270, P280, P285, P301+312, P301+330+331, P303+361+353, P304+340, P304+341, P305+351+338, P310, P321
主要危害 有腐蚀性
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氯胺-T是一种有机化合物,化学式为CH3C6H4SO2NClNa,存在无水物和三水合物,它们都是白色粉末。氯胺-T可用于有机合成。[2]

制备

[编辑]

氯胺-T可由甲苯磺酰胺和次氯酸钠的氧化反应制备,次氯酸钠可由氯气和氢氧化钠原位反应得到:[2]

性质

[编辑]

氯胺-T含有活性(亲电)的,活泼性类似于次氯酸钠。它可将硫化氢氧化为,将芥子气氧化为硫酰亚胺。[3]氯胺-T的水溶液呈弱碱性(pH约为8.5);其共轭酸的pKa为9.5。[2]

参考文献

[编辑]
  1. ^ Chloramine-T hydrate. Sigma-Aldrich. [2020-03-08]. (原始内容存档于2022-04-17). 
  2. ^ 2.0 2.1 2.2 Campbell, Malcolm M.; Johnson, Graham. Chloramine T and Related N-halogeno-N-metallo reagents. Chemical Reviews. 1978, 78: 65–79. doi:10.1021/cr60311a005. 
  3. ^ Ura, Yasukazu; Sakata, Gozyo, Chloroamines, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a06_553 
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氯胺-T
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