指標名稱
ITEM
指 標
INDEX
外 觀
APPEARANCE
類白色結晶粉末
Off-white crystal powder
鑒 別
IDENTIFICATION
1.紅外圖譜應與對照品圖譜一致
IR should comply with the Reference Standard spectrum.
2.紫外圖譜應與對照品圖譜一致
UV should comply with the Reference Standard spectrum.
3.本品經(jīng)反應后生成對卞氧基醋酸苯酯,其熔點應為110-113℃
The monobenzone acetate so obtained melts between 110-113℃ when determined as directed for class l.
含 量
PURITY
98.0~102.0%
初熔點
Melting Point
117~120℃
干燥失重
Loss on Drying
≤1.0%
灼燒殘渣
Residue on Ignition
≤0.5%
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