Triacetic acid lactone (4-hydroxy-6-methyl-2-pyrone) is an organic compound derived enzymatically from glucose. It is a light yellow solid that is soluble in organic solvents.

CAS：675-10-5
中文别名：4-羟基-6-甲基-2H-吡喃酮;2-羟基-6-甲基-2-吡喃酮;6-甲基-4-羟基-2-吡喃酮;4-甲基-6-环三基-2-吡喃酮;
英文别名：Triacetate lactone;2H-Pyran-2-one, 4-hydroxy-6-methyl-;4-hydroxy-6-methyl-2H-pyran-2-one;6-methyl-4-hydroxypyran-2-one;Triacetic acid lactone;6-METHYL-4-HYDROXY-2-PYRANONE;4-Hydroxy-6-methyl-2-pyrone;6-Methyl-4-hydroxy-2-pyrones;4-Hydroxy-6-methyl-2-oxo-2H-pyran;6-METHYL-4-HYDROXY-2-PYRONE;Hydroxy-6-methyl-2-pyrone,4;6-methyl-4-hydroxypyron-(2);4-hydroxy-6-methyl-pyran-2-one;4-Hydroxy-6-methylpyran-2-one;AURORA KA-5368;
分子式：C6H6O3
分子量：126.11
精确质量：126.032
Psa：50.44
Logp：0.6538

MDL号：MFCD00006641
EINECS号：211-619-2

外观与性状：白色至淡黄色晶体粉末
密度：1.348 g/cm3
沸点：285.9ºC at 760 mmHg
熔点：188-190°C (dec.)(lit.)
闪点：127.9ºC
折射率：1.56
水溶解性：8.60 g/L (20 ºC)
稳定性：Stable under normal temperatures and pressures.
储存条件：Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

RTECS号：UQ1000000
安全说明：S26-S36-S37/39
WGK Germany：3
危险类别码：R36/37/38
海关编码：2932999099
危险品标志：Xi