Dinonylnaphthylsulfonic acid (DINNSA) is an organic chemical, an aryl sulfonic acid. Its melting point is 259.5°C and its boiling point is 600.4°C. It has very low water solubility. It is a moderate skin irritant and a strong eye irritant. It has low volatility and vapor pressure and is stable above 100°C.

CAS：25322-17-2
中文别名：
英文别名：dinonyl-naphthalenesulfonicaci;DINONYLNAPHTHALENESULFONIC ACID,50 WT.;DNNSA (DINONYLNAPHTHALENESULFONIC);Naphthalenesulfonic acid,dinonyl;Napththalenesulfonicacid;DNNSA;dinonylnaphthalenesulfonic acid sol.;dinonylnaphthalenesulphonic acid;
分子式：C28H44O3S
分子量：460.712
精确质量：460.301
Psa：62.75
Logp：9.7535

MDL号：MFCD00014324
PubChem号：24874288

密度：0.852g/mLat 25°C
沸点：94-99°C
熔点：259.5ºC
闪点：30°F
折射率：n20/D 1.465
储存条件：2-8ºC

安全说明：S9-S16-S29-S33-S60-S61-S62
危险类别码：R11; R38; R50/53; R65; R67
WGK Germany：1
海关编码：3402120000
危险品运输编码：UN 2924 3/PG 2
危险类别：8
包装等级：III
危险品标志：F; Xn; N

用途
是一种阳离子型表面活性剂，可作涂料用催化剂，也可作为生产氨基烤漆降温催化剂(封闭型、非封闭型)的原料