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TR84-57-1 Dichlorosulfophenyl-3-methylpyrazolone
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Shanghai World-Prospect Industrial Co., Ltd.
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Qingdao Haiwan Specialty Chemicals Co., Ltd.
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Shanghai Z-CHEM Chemical Co.,Ltd.
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| Address | Rm409,410 Shanghai ship &shipping research institute no.600 Minsheng Road, Shanghai 200135 China |
Tianjin Yuansu Chemical Reagent Co., LTD
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| Specifications | 99% min |
| Packing | 25kg 50kg drum or bag |
| Description | What is the chemical of 1-(2,5-Dichloro)-3-Methyl-5-Pyrazolone? Appearance: White to yellow crystalline powder?? Assay:99%min by HPLC?? IR Identity: conform to standard?? HNMR?? conform to standard?? carbon spectrum: conform to standard?? Water by K. F.:0.5% max or as per the customer??s request?? Loss on drying:0.5% max. or as per the customer??s request?? ============================================================================= The main use of 1-(2,5-Dichloro)-3-Methyl-5-Pyrazolone is as an intermediate for active dyes, used in the synthesis of the following dyes: C.I. Acid Yellow 17; C.I. Acid Orange 40; C.I. Reactive Yellow 1. =============================================================================== Based on its chemical structure (containing a sulfonic acid group, pyrazolone ring, and dichlorophenyl), its synthesis typically involves the following key steps: Construction of the pyrazolone ring: Forming the 3-methyl-5-pyrazolone skeleton through condensation of acetyl... |
| Contact | Mr. Alexander Wang |
| Telephone | +86-22-83739603 |
| sales@yuansu-reagent.com | |
| Address | No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China |
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