Quality Standard

Appearance: light yellow or light brown transparent liquid;

Content: ≥99.0%;

Moisture: ≤0.5%

Quality Standard

Appearance: colorless or light yellow transparent liquid;

Purity: ≥99.0%;

Moisture: <0.5%

Quality Standard

Appearance: white or almost white powder;

Content≥99.0%;

Loss on drying <1.0%

Quality Standard

Appearance: colorless or light yellow transparent liquid;

Content≥98.5%;

Quality Standard

Appearance: light yellow or light brown transparent liquid;

Purity: ≥98.0%;;

3-Acetylthiophene: ≤0.5%;

Moisture: ≤0.5%

Quality Standard

Appearance: colorless, clear and transparent liquid;;

Content: ≥99.0%;

Moisture <0.5%

Quality Standard

Appearance: light yellow to yellow crystal;

Content: ≥98.0%;

Melting point (℃): 63～67℃;

Loss on drying: <0.5%

Quality Standard

Appearance: colorless or light yellow transparent liquid;

Purity: ≥99.0%;

Moisture: <0.5%

Quality Standard

Appearance: light yellow or light brown transparent liquid;

Purity: ≥99.0%;

质量标准

外观：淡黄色透明液体;

纯度：≥99.0%;

水份：≤0.5%

Quality Standard

Appearance: colorless or light yellow transparent liquid;

Moisture: <0.5%

Quality Standard

Appearance: light yellow or light brown transparent liquid;

Purity: ≥98.0%;

Moisture: ≤0.5%

Quality Standard

Appearance: white powder;

Content: ≥98.0%;

Melting point (℃): 139～141℃;

Loss on drying: <0.5%

Quality Standard

Appearance: light yellow or light brown transparent liquid;

Purity: ≥99.0%;;

Moisture: <0.5%

Quality Standard

Appearance: light yellow or brown solid;

Content: ≥98.0%;

Loss on drying: <0.5%