Product Name

  • Name

    7H-Dodecafluoroheptanoic acid

  • EINECS 216-283-0
  • CAS No. 1546-95-8
  • Article Data11
  • CAS DataBase
  • Density 1.69 g/cm3
  • Solubility
  • Melting Point 32-36 ºC
  • Formula C7H2F12O2
  • Boiling Point 188.1 °C at 760 mmHg
  • Molecular Weight 346.073
  • Flash Point 67.6 °C
  • Transport Information UN 3261
  • Appearance
  • Safety 26-27-36/37/39-45
  • Risk Codes 22-34
  • Molecular Structure Molecular Structure of 1546-95-8 (7H-Dodecafluoroheptanoic acid)
  • Hazard Symbols CorrosiveC
  • Synonyms 2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoroheptanoicacid;7H-Dodecafluoroheptanoic acid;7H-Perfluoroheptanoic acid;w-Hydroperfluoroenanthic acid;w-Hydroperfluoroheptanoic acid;w-Monohydroperfluoroheptanoic acid;
  • PSA 37.30000
  • LogP 3.51260

7H-Dodecafluoroheptanoic acid Specification

The CAS register number of 7H-Dodecafluoroheptanoic acid is 1546-95-8. It also can be called as omega-Monohydroperfluoroheptanoic acid and the systematic name about this chemical is 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptanoic acid. Its molecular formula is C7H2F12O2 and molecular weight is 346.07.

Physical properties about 7H-Dodecafluoroheptanoic acid are: (1)ACD/LogP: 5.82; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.09; (4)ACD/LogD (pH 7.4): 2.07; (5)ACD/BCF (pH 5.5): 2.91; (6)ACD/BCF (pH 7.4): 2.79; (7)ACD/KOC (pH 5.5): 6.5; (8)ACD/KOC (pH 7.4): 6.24; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 26.3Å2; (13)Index of Refraction: 1.295; (14)Molar Refractivity: 37.79 cm3; (15)Molar Volume: 204.6 cm3; (16)Surface Tension: 17.6 dyne/cm; (17)Density: 1.69 g/cm3; (18)Flash Point: 67.6 °C; (19)Enthalpy of Vaporization: 46.78 kJ/mol; (20)Boiling Point: 188.1 °C at 760 mmHg; (21)Vapour Pressure: 0.272 mmHg at 25°C.

Uses of 7H-Dodecafluoroheptanoic acid: It reacts to get 1H,12H-tetracosafluoro-dodecane and 1-chloro-1H,6H-dodecafluoro-hexane. This reaction needs solvent acetonitrile. The yield is 52 %.



When you are using this chemical, please be cautious about it as the following:
It is harmful if swallowed and causes burns. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of contact with clothing, take off immediately all contaminated clothing. People must wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 

People can use the following data to convert to the molecule structure.
1.SMILES: FC(F)(C(F)(F)C(=O)O)C(F)(F)C(F)(F)C(F)(F)C(F)F
2.InChI: InChI=1/C7H2F12O2/c8-1(9)3(10,11)5(14,15)7(18,19)6(16,17)4(12,13)2(20)21/h1H,(H,20,21)
3.InChIKey: JZHDEEOTEUVLHR-UHFFFAOYAA
4.Std. InChI: InChI=1S/C7H2F12O2/c8-1(9)3(10,11)5(14,15)7(18,19)6(16,17)4(12,13)2(20)21/h1H,(H,20,21)

The following are the toxicity data which has been tested.

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 296mg/kg (296mg/kg)   Zeitschrift fuer die Gesamte Hygiene und Ihre Grenzgebiete. Vol. 26, Pg. 9, 1980.
rat LD50 oral 1440mg/kg (1440mg/kg)   Zeitschrift fuer die Gesamte Hygiene und Ihre Grenzgebiete. Vol. 26, Pg. 9, 1980.

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