USD $1.00-10.00 / Kilogram
USD $23.00-35.00 / Kilogram
USD $6.00-9.00 / Gram
USD $1.00-1.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $100.00-150.00 / Kilogram
USD $75.00-150.00 / Kilogram
USD $100.00-150.00 / Kilogram
uv 3030 (uvinul 3030)
pentaerythritol tetrakis(2-cyano-3,3-diphenylacrylate)
uv 3030 (uvinul 3030)
product name: |
uv absorber-3030 |
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chemical name: |
2-propenoic acid, 2-cyano-3,3-diphenyl-, 2,2-bis[[(2-cyano- 1-oxo-3,3-diphenyl-2-propenyl)oxy]methyl] -1,3-propanediyl ester |
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quantity: |
2000 kg |
cas no.: |
178671-58-4 |
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batch no.: |
20160420 |
date of analysis: |
apr. 25, 2016 |
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molecular formula: |
c69h48n4o8 |
date of production: |
apr. 20, 2016 |
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molecular weight: |
1061.14 |
expiry date: |
apr. 20, 2018 |
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item |
unit |
specification |
test result |
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appearance |
|
white crystal powder. |
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assay |
% |
≥99.0 |
99.85 |
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melting point |
℃ |
175-178 |
178671-58-4175.2-178 |
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loss on drying |
% |
≤0.50 |
0.08 |
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transmittance |
460nm |
% |
≥95.0 |
99.2 |
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500nm |
≥99.0 |
99.8 |
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thermogravimetric |
250℃ |
% |
≤1.0 |
0.6 |
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350℃ |
≤2.0 |
1.5 |
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conclusion: the product conforms to standard. |