WebDec 21, 2024 · Dichloromonofluoromethane is a colorless, odorless gas. Dichloromonofluoromethane is shipped as a liquid under its own vapor pressure. … Dichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl2F. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride: CHCl3 + HF → CHCl2F + HCl See more Dichlorofluoromethane was used as a propellant and refrigerant. Due to its role in ozone depletion, dichlorofluoromethane has been largely phased out. It has ozone depletion potential 0.04. Production and consumption has … See more • International Chemical Safety Card 1106 • NIOSH Pocket Guide to Chemical Hazards. "#0197". National Institute for Occupational Safety and Health (NIOSH). • Termochemistry data at chemnet.ru See more Its critical point is at 178.5 °C (451.7 K) and 5.17 MPa (51.7 bar). At temperatures from 5 K to 105 K, it has one phase in the space group See more Its toxicity is comparable to that of chloroform. Its TLV is 10 ppm. See more
Dichlorodifluoromethane CCl2F2 - PubChem
WebDICHLORODIFLUOROMETHANE page 2 of 6 This Fact Sheet is a summary source of information of all potential and most severe health hazards that may result from WebSep 30, 2024 · Dichloromonofluoromethane (substance) en: Fully specified name: Active: Entire term case insensitive (core metadata concept) SNOMED CT core: Canada English language reference set (foundation metadata concept): Preferred (foundation metadata concept) 0 descendants. Expanded Value Set. Outbound Relationships: Type: Target: … iron county highway department hurley wi
CDC - Immediately Dangerous to Life or Health
WebOct 30, 2024 · NIOSH. Up to 100 ppm: (APF = 10) Any supplied-air respirator. Up to 250 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode. Up to … WebContains gas under pressure; may explode if heated. H: 420. Harms public health and the environment by destroying ozone in the upper atmosphere. Melting point: -211 °F. Boiling Point: 48.02 °F. Density (at 20 °C, if not notified otherwise): rel. 3,65 g/cm 3. WebCylindrical mouldings based on cellular polyurethane elastomers转让专利. 申请号 : US11816325 文献号 : US07985780B2 文献日 : 2011-07-26 port of ashburton master plan