Detail of > 75-10-5
- CAS Number:
- 75-10-5
- Name:
Methane, difluoro-
- Superlist Name:
- Difluoromethane
- Formula:
- CH2F2
- Molecular Structure:
- Synonyms:
- Difluoromethane;Ecolo Ace 32;F 32;FC 32;Freon 32;Genetron 32;HFA 32;HFC 32;Methylenedifluoride;R 32;R 32 (refrigerant);
- Molecular Weight:
- 52.03
- EINECS:
- 200-839-4
- Density:
- 0.929 g/cm3
- Melting Point:
- -136 °C(lit.)
- Solubility:
- Insoluble in water
- Appearance:
- colorless odorless gas
- Hazard Symbols:
F- Risk Codes:
- 11
- Safety:
- 9-16-33Details
- Transport Information:
- UN 3252
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Reference
- Treatment of dithionate-containing wastewater
- Treatment of dithionate-containing wastewater. (Ebara-Infilco Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59019595 A2 1 Feb 1984 Showa, 5 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C02F003-28. APPLICATION: JP 82-127478 23 Jul 1982. DOCUMENT TYPE: Patent CA Section: 60 (Waste Treatment and Disposal) Dithionate-contg. wastewater is mixed with returned sludge, a BOD source, and a halomethane and is then anaerobically treated at pH 6-7.5. The halomethane is CH3Cl [74-87-3], CH2Cl2 [75-09-2], CHCl3 [67-66-3], CCl4 [56-23-5], CH3F [593-53-3], CH2F2 [75-10-5], CHF3 [75-46-7], CF4 [75-73-0], CH3Br [74-83-9], CH2Br2 [74-95-3], CHBr3 [75-25-2], or CBr4 [558-13-4]. The wastewater is previously concd., and the BOD source is carbohydrates, org. wastewater, alc., or org. acid. A byproduct, H2S, is continuously removed during the treatment.
- The optically pumped difluoromethane far-infrared laser
- The optically pumped difluoromethane far-infrared laser.Some chemicals with cas registry numbers like 75-10-5 are also used. Danielewicz, Edward J. (Laser Power Opt. Corp., San Diego, CA 92121, USA). Rev. Infrared Millimeter Waves, 2(Opt. Pumped Far-Infrared Lasers), 223-50 (English) 1984. CODEN: RIMVDV. DOCUMENT TYPE: Journal; General Review CA Section: 73 (Optical, Electron, and Mass Spectroscopy and Other Related Properties) A review with 26 refs. .
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