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Basic Information
CAS No.: 82419-35-0
Name: Oxygen-fluorine acid
Article Data: 10
Molecular Structure:
Molecular Structure of 82419-35-0 (Oxygen-fluorine acid)
Formula: C13H9F2NO4
Molecular Weight: 281.216
Synonyms: 9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacid;
EINECS: 700-160-8
Density: 1.61 g/cm3
Melting Point: 320-322 °C(lit.)
Boiling Point: 459.2 °C at 760 mmHg
Flash Point: 231.5 °C
Appearance: grey-yellow powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 68.53000
LogP: 1.93130
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  • OFLOXACIN Q ACID

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    OFLOXACIN Q ACID

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    FOB Price:  USD $ 0.0-0.0

    Our advance: 1. higest quality and good package 2.fast delivery 3.better payment term 4.fast response to customer within 6 hours 5.good business credit in Global. Hangzhou Maytime Bio-Tech Co.,Ltd was was founded in 2010, the main market in So

    Hangzhou Maytime Bio-Tech Co.,Ltd. specialize in R&D, manufacturing and selling kinds of pharmaceutical raw material, veterinary products, pharmaceutical intermediates. Our techni

  •  Hangzhou Maytime Bio-Tech Co.,Ltd.

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    Business Type:Other

    Tel:+86-571-88925295 88920965

    Address:No.1-2-801 Nanan Mingzhu Xiaoshan Economical and Technological Development Zone,Hangzhou ,Zhejiang,China

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  • Oxygen-fluorine acid

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    82419-35-0

    Oxygen-fluorine acid

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    Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

    Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns

  •  Hunan chemfish Pharmaceutical co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:0731-85567275

    Address:No.10048, xiangjiang centry bulding ,kaifu district ,changsha city ,Hunan

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Chemistry

Systematic Name: 9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid     
Synonyms of (±)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (CAS NO.82419-35-0): Oxygen-fluorine acid ; 9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-7h-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxyllic acid
CAS NO: 82419-35-0
Molecular Formula: C13H9F2NO4
Molecular Weight: 281.21
Molecular Structure:
H bond acceptors:  5 
H bond donors:  1 
Freely Rotating Bonds:  1 
Polar Surface Area:  55.84 Å2 
ndex of Refraction:  1.635 
Molar Refractivity:  62.34 cm3 
Molar Volume:  173.9 cm3 
Surface Tension:  64 dyne/cm 
Density:  1.61 g/cm3 
Flash Point:  231.5 °C 
Melting Point: 320-322 °C(lit.) 
Enthalpy of Vaporization:  75.83 kJ/mol 
Boiling Point:  459.2 °C at 760 mmHg 
Vapour Pressure:  3.14E-09 mmHg at 25°C
Melting Point: 320-322 °C(lit.) 
Appearance: Grey-Yellow Powder.
Product Categories: OFLOXACIN INTERMIDATE;Various Intermediates;Intermediates;Intermediates & Fine Chemicals;Pharmaceuticals;Benzoxazines;Building Blocks;Heterocyclic Building Blocks  
InChI: InChI=1/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)
InChIKey: NVKWWNNJFKZNJO-UHFFFAOYAE 
Std. InChI: InChI=1S/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)
Std. InChIKey: NVKWWNNJFKZNJO-UHFFFAOYSA-N

Uses

 (±)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (CAS NO.82419-35-0) is used as ofloxacin intermediate.

Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38: (±)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (CAS NO.82419-35-0) is irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany: 3