Lot numbers can be found on the outside label of a product:
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Structure of 307554-62-7
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Thymolphthalein (5, 5-Diisopropyl-2, 2-dimethylphenolphthalein) is an acid-base indicator which is colorless in solutions with a pH below 8.5 and blue in solutions with a pH above 9.5. Thymolphthalein has been used as an indicator in periodate-thiosulfate reaction.Thymolphthalein has been used as a pH indicator in [14C] urea breath test to determine when the CO2 trap is full.
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GHS Pictogram :
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GHS No : GHS07,GHS09
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Signal Word : Warning
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UN#: 3077
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Class : 9
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Packing Group : Ⅲ
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Hazard Statements : H315-H319-H335-H400
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Precautionary Statements : P273-P302+P352
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Lot numbers can be found on the outside label of a product: