402885
p-甲苯磺酸 一水合物
ACS reagent grade, ≥98.5%, solid
别名:
4-Methylbenzenesulfonic acid monohydrate, 4-Toluenesulfonic acid monohydrate, PTSA monohydrate, TsOH monohydrate
登录 查看组织和合同定价。
选择尺寸
变更视图
关于此项目
线性分子式:
CH3C6H4SO3H · H2O
化学文摘社编号:
分子量:
190.22
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
203-180-0
MDL number:
Beilstein/REAXYS Number:
3568023
Assay:
≥98.5%
Concentration:
≥98.5%
Form:
solid
Grade:
ACS reagent
产品名称
p-甲苯磺酸 一水合物, ACS reagent, ≥98.5%
grade
ACS reagent
Quality Level
vapor density
5.9 (vs air)
assay
≥98.5%
form
solid
concentration
≥98.5%
clarity of soln
passes test
impurities
9.5-11.5% water
ign. residue
≤0.1%
mp
103-106 °C (lit.)
solubility
H2O: 10g + 50 mL, clear, colorless
anion traces
sulfate (SO42-): ≤0.3%
cation traces
Fe: ≤0.01%, Na: ≤0.002%, heavy metals (as Pb): ≤0.001%
functional group
tosylate
SMILES string
[H]O[H].Cc1ccc(cc1)S(O)(=O)=O
InChI
1S/C7H8O3S.H2O/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);1H2
InChI key
KJIFKLIQANRMOU-UHFFFAOYSA-N
General description
对甲苯磺酸一水合物是一种氧合盐，是一种廉价、易操作的有机合成催化剂。对其晶体结构的研究表明，它是 P21/c 空间基团的单斜晶型。已有其在硫酸水溶液中的溶解度的研究。
Application
对甲苯磺酸一水合物 (p-TsOH·H2O)可用作以下合成的催化剂：
- 不对称苯偶酰。
- 高度取代的哌啶。
- 烷基三聚反应生成1,3,5-三取代苯。
- 三唑喹唑啉酮和苯并咪唑啉酮衍生物。
- 1,3,5-三取代吡唑衍生物。
- 烯酸乙烯酮二硫缩醛。
Still not finding the right product?
Explore all of our products under p-甲苯磺酸 一水合物
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
危险化学品
此项目有
Catalytic systems containing p-toluenesulfonic acid monohydrate catalyzed the synthesis of triazoloquinazolinone and benzimidazoquinazolinone derivatives.
Mousavi MR and Maghsoodlou MT.
Monatshefte fur Chemie / Chemical Monthly, 145(12), 1967-1973 (2014)
One-pot multicomponent synthesis of highly substituted piperidines using p-toluenesulfonic acid monohydrate as catalyst.
Sajadikhah SS, et al.
Monatshefte fur Chemie / Chemical Monthly, 143(6), 939-945 (2012)
One-pot synthesis of unsymmetrical benzils from aryl methyl ketones and arenes in the presence of selenous acid catalysed by p-toluenesulfonic acid monohydrate.
Kharkongor I, et al.
Tetrahedron Letters, 53(23), 2837-2841 (2012)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 402885-100G | 04061835555093 |
| 402885-500G | 04061835562954 |
| 402885-2.5KG | 04065273544107 |
| 402885-5G | 04061831986129 |