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2,3,4-TRIHYDROXYBENZOPHENONE
usage for Positive light-sensitive NAC-Ester etc. 3-THBP,
1143-72-2
BP-20 is a UV absorber of the hydroxyphenyl Benzophenone class which imparts outstanding light stability to paintings and suntan oil, especially suitable for cosmetic additives, also could absorb UVA, VB ,
PAC
Positive light-sensitive NAC-Ester etc.
Appearance: Yellow to light yellow crystalline powder
Purity: 99.0% min
Melting point: 136.0-140.0 ¡ÆC
Moisture: 0.5% max
Fe: 100ppm max
Na, K, Ca: 100ppm max
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Rich Fine Chemicals Co.,Ltd
ÀüÈ­¹øÈ£ 86 25 84739008
Æѽº¹øÈ£ 86 25 84730118
ȨÆäÀÌÁö -
À̸ÞÀÏ susanna@chemnet.com
ÁÖ¼Ò room 2008,inte'l trade center nanjing, china
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