 오퍼게시판 |
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제 목:
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uv-t |
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상품분류: |
유기화학원료와 중간체
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등록분류: |
Offer to Sell |
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내용: |
CAS NO: 27503-81-7
Additional_detail: Appearance：White to ivory
crystalline powder
Odor: Odorless
Melting point (Mp): 300 C
Purity (HPLC)：98% min.
Water：≤2.0%
Packing 25net/drum
Application
This product is a new type of UV
absorber, its absorption
coefficient is up to 920~990 at
320 nm of UV wave, the ability
for absorption of ultraviolet is
at least three times as great as
common absorbers. The product is
nontoxic and nonirritant, mainly
used in cosmetic sunscreeners and
water paints. It is employed in
an amount of 1.5 % to 2 % in
cosmetic and 4 % to 6 % in paints.
Dissolve the product in 10 parts
of water, adjust to pH 8 with
NaOH, then add to paints.
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