An acetylene glycol derivative used in water-based coatings and has both antifoaming and surfactant properties. It is highly toxic and have been found in acrylic adhesives used for food packaging multilayers manufacturing.

CAS：126-86-3
中文别名：2,4,7,9-四甲基-4,7-二醇-5-癸炔;2,4,7,9-二甲基-5-癸炔-4,7-二醇;四甲基癸炔二醇;4,7-二羥-2,4,7,9-四甲-5-癸炔;2,4,7,9-四甲基-5-癸炔-4,7-二醇,(+/-) + MESO;2,4,7,9-四甲基-5-癸炔-4,7-二醇;
英文别名：2,4,7,9-tetramethyldec-5-yne-4,7-diol;2,4,7,9-Tetramethyl-dec-5-in-4,7-diol;MULTI-FUNCTIONAL NON-IONIC SURFACE-ACTIVE AGENT;Olfine AK 02;Surfynol PG 50;surfynol 104 E;Olfine PD 301;4,7-Dihydroxy-2,4,7,9-tetramethyl-5-decyne (DL- and meso- mixture);2,4,7,9-TETRAMETHYL-5-DECYN-4,7 DIOL;SURFYNOL TG;2,4,7,9-TetraMethyl-5-decyne-4,7-diol (DL- and Meso- Mixture);2,4,7,9-TETRAMETHYL-5-DECYN-4,7-DIOL;PD 30;2,4,7,9-Tetramethyl-5-decyne-4,7-diol;syrfynol104;5-Decyne-4,7-Diol-2,4,7,9-Tetramethyl;Olfine STG-E;S-104;2,4,7,9-Tetramethyl-5-Decyne-4,7-Diol;2,3-DIMETHYL-3,5,6,7-TETRAHYDRO-4H-PYRROLO[3,4-D]PYRIMIDIN-4-ONE;surfynol104;2.4.7.9-TETRAMETHYL-5-DECYNE-4,7-DIOL;
分子式：C14H26O2
分子量：226.355
精确质量：226.193
Psa：40.46
Logp：2.584

PubChem号：24856810
EINECS号：204-809-1
MDL号：MFCD00008942

外观与性状：蜡质白色晶体
密度：0,89 g/cm3
沸点：255°C(lit.)
熔点：42-44°C(lit.)
闪点：>230°F
折射率：1.479
储存条件：Keep in a cool, dry location in a tightly sealed container.
蒸汽压：0.00296mmHg at 25°C

安全说明：S26-S37/39-S61-S39
危险类别码：R36; R52/53
WGK Germany：3
危险品运输编码：3077
海关编码：2905399090
包装等级：III
危险品标志：Xi

用途
非离子型表面活性剂。分散剂。消泡剂。乳化剂。减粘剂。