有机合成、测定伯胺类、染料工业。 易溶于水、醇和醚，极易潮解，易使棉织物、木材、纸张等碳水化合物脱水而碳化，难溶于苯和甲苯。碱熔时生成对甲酚。本品有时会以含1分子结晶水或4分子结晶水存在。 p-Toluenesulfonic acid monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The study of its crystalline structure shows that it is monoclinic with P21/c space group. Its solubility in aqueous sulfuric acid solutions has been studied p-Toluenesulfonic acid monohydrate (p-TsOH·H2O) may be used as a catalyst in the synthesis of the following: · Unsymmetrical benzils. · Highly substituted piperidines. · 1,3,5-Trisubstituted benzenes by trimerization of alkynes. · Triazoloquinazolinone and benzimidazoquinazolinone derivatives. · 1,3,5-Trisubstituted pyrazoles derivatives. · Selenated ketene dithioacetals
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p-Toluenesulfonic acid monohydrate
Dangerous GoodsCAS number：6192-52-5 molecular formula：C7H8O3S·H2O
overview
compound introduction
Specs
| Chinese alias | 4-甲苯磺酸一水合物 | 甲苯-4-磺酸一水合物 | p-甲苯磺酸 一水合物 | ||
| English alias | 4-methylbenzenesulfonic acid;hydrate | ptoluene sulfonic acid | p-Toluene sulfonic acid hydrate | p-Toluenesulfonic acid monohydrate | p-toluene sulfonate hydrate | p-Toluenesulphonic acid monohydrate | p-toluene-sulphonic acid monohydrate | p-toluensulph | ||
| CAS number | 6192-52-5 | molecular formula | C7H8O3S·H2O |
| molecular weight | 190.22 g/mol | Exact mass | AR |
| PSA | 63.800 Ų | logp | - |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS05 , GHS07
Signal word：
危险
Hazard Statement：
H335: 可能引起呼吸道刺激 H314: 造成严重的皮肤灼伤和眼睛损伤 H412: 对水生生物有害并具有长期持续影响 H290: 可能腐蚀金属
Statement of Preventive Measures：
P305+P351+P338: 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P310: 立即致电解毒中心或医生。 P501: 将内容物/容器处理到。。。 P303+P361+P353: 如皮肤（或头发）沾染：立即脱掉所有沾染的衣服。用水清洗皮肤/淋浴。 P304+P340: 如误吸入：将人转移到空气新鲜处，保持呼吸舒适体位。 P363: 再次使用之前，请清洗受污染的衣物。
WGK Germany：
1
Personal protective equipment：
dust mask type N95 (US),Eyeshields,Faceshields,Gloves
RTECS：
DB7164000
UN Number：
2585
Packing Group：
III
Production methods and uses
No production method and use information yet
Related
upstream information
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downstream information
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MSDS
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