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3-Hydroxy-4,5-difluorobenzoic acid

3-Hydroxy-4,5-difluorobenzoic acid ??? ???
?? ??:
749230-45-3
???:
3-Hydroxy-4,5-difluorobenzoic acid
???(??):
3,4-difluoro-5-hydroxybenzoic acid;3-Hydroxy-4,5-difluorobenzoic acid;Benzoic acid, 3,4-difluoro-5-hydroxy-
CBNumber:
CB12506211
???:
C7H4F2O3
??? ??:
174.1
MOL ??:
749230-45-3.mol

3-Hydroxy-4,5-difluorobenzoic acid ??

???
214-215 °C(Solv: hexane (110-54-3); ethyl acetate (141-78-6))
?? ?
332.4±42.0 °C(Predicted)
??
1.600±0.06 g/cm3(Predicted)
?? ??
2-8°C
?? ?? (pKa)
3.68±0.10(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
????(GHS): GHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H301 ??? ??? ?? ?? ?? - ?? ?? 3 ?? GHS hazard pictograms P264, P270, P301+P310, P321, P330,P405, P501
H311 ??? ???? ??? ?? ?? ?? - ?? ?? 3 ?? GHS hazard pictograms P280, P302+P352, P312, P322, P361,P363, P405, P501
H331 ???? ??? ?? ?? ?? ?? ?? 3 ?? GHS hazard pictograms P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P310 ?? ????(??)? ??? ????. ???? ?? ????(??)? ??? ????.
P330 ?? ?????.
P361 ?? ??? ??? ?? ?? ?
P403+P233 ??? ??? ? ?? ?? ??? ???? ?????.
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.

3-Hydroxy-4,5-difluorobenzoic acid C??? ??, ??, ??

3-Hydroxy-4,5-difluorobenzoic acid ?? ?? ? ???

???

?? ??


3-Hydroxy-4,5-difluorobenzoic acid ?? ??

???( 26)?? ??
??? ?? ??? ?? ?? ? ??
Hubei xin bonus chemical co. LTD
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Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
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Amadis Chemical Company Limited
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Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696
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Beijing Eternalchem Co,. Ltd. 010-59484199 18611897322
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Hangzhou Sage Chemical Co., Ltd. +86057186818502 13588463833
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Bide Pharmatech Ltd. 400-164-7117 13681763483
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Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 18112977050
cb6@aikonchem.com China 16684 50
wuhan Dekray Biomedical Technology Co.,Ltd 027-69573188 18221423799
1503407886@qq.com China 1419 58

3-Hydroxy-4,5-difluorobenzoic acid ?? ??:

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