
Appearance | White powder or granule |
---|---|
Melting point range, ℃ | 110.0~125.0 |
Heat reduction, % | ≤0.50 |
Solubility | Clarification |
Ash content | ≤0.10 |
Transmittance% | 425nm ≥96.0 |
Main content, % | ≥99.0 |
Active component | ≥98.0 |

Appearance | White |
---|---|
Melting point, ℃ | 50.0~55.0 |
Volatiles,% | ≤0.20 |
Clarity of solution | Clarification |
Ash | ≤0.10 |
Transmittance,% | 425nm ≥97.0 |
Assay, % | ≥98.0 |

Appearance | White powder or granule |
---|---|
Melting point , ℃ | 183.0~187.0 |
Volatiles, % | ≤0.30 |
Clarity of solution | Clear solution |
Transmittance | 425nm ≥98.0 |
Acid number, mgKOH/g | ≤0.30 |
Content of 2,4-di-tert-butyl-phenyl,% | ≤0.20 |
Hydrolytic strbility | Pass |

appearance | White crystal powder |
---|---|
Melting point range, ℃ | 218-223℃ |
Volatile matter | ≤0.3% |
Solution clarification | Clarification |
Ash content | ≤0.05% |
Light transmittance % | 425nm ≥95% |
Main content, % | ≥98.0 |

Appearance | White powder or grain |
---|---|
Melting point,℃ | 170.0~180.0 |
Volatiles,% | ≤1.0 |
Acid Value,mg/KOH/g | ≤1.0 |
Content of 2,4-di-tert-butyl-phenyl,% | ≤1.0 |
Assay,% | ≥95.0 |

Appearance | White powder or granule |
---|---|
Heating reduction, (80℃)% | ≤1.0 |
Acid value, mg KOH/g | ≤1.0 |
2, 4-di-tert-butylphenol content, % | ≤0.1 |

Appearance | White crystal powder |
---|---|
Melting point range, ℃ | ≥225.00 |
Solution Clarification | Clarification |
Ash content % | ≤0.05% |
Main content, % | ≥98.0 |