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Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water.Solutions of HF are colorless, acidic and highly corrosive.A common concentration is 49% (48-52%) but there are also stronger solutions (e.g. 70%) and pure HF has a boiling point near room temperature.
CAS Number. 7664-39-3 ... a component of high-octane petrol , is generated in alkylation units, which combine C 3 and C 4 olefins and iso-butane.
CAS number CH 3 CHO: acetaldehyde: 75-07-0 CH 3 CO 2 H: ... 7664-39-3 H 2 SO 4: sulfuric acid: 7664-93-9 HCl: hydrochloric acid: 7647-01-0 See also
CAS number NBr 3: nitrogen tribromide: 15162–90–0 NCl 3: nitrogen trichloride: 10025–85–1 NF 3: nitrogen trifluoride: 7783–54–2 NH 3: ammonia: 7664–41–7 NH 4 Cl: ammonium chloride: 12125–02–9 NH 4 HCO 3: ammonium bicarbonate: 1066–33–7 NH 4 NO 3: ammonium nitrate: 6484–52–2 NH 4 OH: ammonium hydroxide: 1336–21–6 ...
7664-39-3 1000 Hydrogen bromide: 10035-10-6 5000 Hydrogen chloride: 7647-01-0 5000 Hydrogen cyanide, anhydrous 74-90-8 1000 Hydrogen fluoride: 7664-39-3 1000 Hydrogen peroxide (52% by weight or greater) 7722-84-1 7500 Hydrogen selenide: 7783-07-5 150 Hydrogen sulfide: 7783-06-4 1500 Hydroxylamine: 7803-49-8 2500 Iron pentacarbonyl: 13463-40-6 ...
CAS ICSC mg/m 3 ppm 75-07-0: 0009: Acetaldehyde: 3600 mg/m 3: 2000 ppm: ... 7664-39-3: 0283: Hydrogen fluoride: 24.6 mg/m 3: 30 ppm: 7664393: 7722-84-1-Hydrogen ...
Early products in the line included Corexit 7664 [4] and Corexit 8666. Corexit 9527 is one of the first modern concentrate dispersants and has been in use since the mid 1970s. Corexit 9500 was designed to replace Corexit 9527.
Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.