Galaxolide (trade name; also known as Abbalide, Pearlide, Astrolide, Musk 50, Polarlide; common chemical name 1,3,4,7,8-hexahydro-4,6,6,7,8,8,-hexamethyl-cyclopenta[g]benzopyran or HHCB) is a synthetic ingredient with a clean sweet musky floral woody odor used in fragrances. It is one of the musk components that perfume and cologne manufacturers use to add a musk odor to their products. Galaxolide was first synthesized in 1965, and used in the late 1960s in some fabric softeners and detergents. High concentrations were also incorporated in fine fragrances.

CAS：1222-05-5
中文别名：1,3,4,6,7,8-六氢-4,6,6,7,8,8-六甲基环戊[g]-2-苯并吡喃;1,3,4,6,7,8-六氢-4,6,6,7,8,8-六甲基-环戊并[G]-2-苯并吡喃;1,3,4,6,7,8-六氢-4,6,6,7,8,8,-季戊四醇(七)-2-苯并吡喃;8-六氢-4;六甲基茚满并吡喃;8-六甲基环戊并[g]-2-苯并吡喃;佳乐麝香;
英文别名：8-Hexahydro-4;HHCB;Pearlide;5,6,7,8-tetrahydro-3,5,5,6,8,8-hexamethyl-2-naphthalenyl-ethanone;Musk50;PEARLIDE PURE;6-acetyl-1,1,2,4,4,7-hexamethyl-tetralin;GALAXOLIDE;ABBALIDE;1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran;6-acetyl-1,1,2,4,4,7-hexamethyl-1,2,3,4-tetrahydronaphthalene;7-acetyl-1,1,3,4,4,6-hexamethyl-tetrahydronaphthalene;7-acetyl-1,1,3,4,4,6-hexamethyltetraline;7-acetyl-1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene;4,6,6,7,8,8-Hexamethyl-1,3,4,6,7,8-hexahydrocyclopenta[g]isochromene;Galoxolide;8-hexamethylcyclopenta[g]-2-benzopyran;
分子式：C18H26O
分子量：258.398
精确质量：258.198
Psa：9.23
Logp：4.5252

PubChem号：24902087
MDL号：MFCD00217003
EINECS号：214-946-9

外观与性状：无色透明油性液体
密度：1.044g/mLat 25°C(lit.)
沸点：304°C(lit.)
闪点：>230°F
折射率：n20/D 1.5215(lit.)
蒸汽压：0.000414mmHg at 25°C

安全说明：S26-S36
WGK Germany：3
危险类别码：R38
海关编码：2932999099
危险品标志：Xi; N

生产方法
以六甲基茚满醇和甲醛为原料。经氯甲基化和闭环反应制取。 用于高级化妆品香精和皂用香精中。
用途
用于高级化妆品香精和皂用香精中。