应用
p-Toluenesulfonic acid monohydrate is used as a catalyst in the synthesis of resveratrol, in oxane derivatives as an antimalarial agent, as substituted piperidine and unsymmetrical benzyl. It acts as a catalyst in the preparation of 1,3,5-trisubstituted pyrazoles derivatives, selenated ketene dithioacetals, triazoloquinazolinone and benzimidazoquinazolinone derivatives. It also serves as an intermediate in the esterification and in reductive amination reactions.
Grade Specifications
Water: 9.5-11.5%, Maximum level of impurities: Clarity of solution P.T., Residue after ignition 0.1%, SO4 0.3%, Heavy metals (as Pb) 0.001%, Fe 0.01%, Na 0.002%
备注
Hygroscopic. Incompatible with strong oxidizing agents and strong bases.
基本信息
MDL
MFCD00142137
EINECS
203-180-0
分子式
C7H8O3S?H2O
分子量
190.22 (172.20anhy)
熔点
103-106°(anhy)
沸点
140°/20mm
闪点
150°(302°F)
密度
1.24
灵敏度
Hygroscopic. Store under Argon. Ambient temperatures.
形态
Crystalline
Beilstein
3568023
Merck
14,9533
GHS危害和防范说明
GHS符号
Hazard Statements
H314-H319-H335
Causes severe skin burns and eye damage.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements
P260h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
安全信息
危险等级
8
包装组
III
危险类别
36/37/38
Irritating to eyes, respiratory system and skin.
安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RTECS
DB7164000
TSCA
是
