formaldehyde
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| Names | |||
|---|---|---|---|
| Preferred IUPAC name
Formaldehyde[1] | |||
| Systematic IUPAC name
Methanal[1] | |||
Other names
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| Identifiers | |||
3D model (JSmol) |
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| 1209228 | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| DrugBank | |||
| EC Number |
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| 445 | |||
| KEGG | |||
| MeSH | Formaldehyde | ||
PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 2209 | ||
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| Properties[2] | |||
| CH2O | |||
| Molar mass | 30.026 g·mol−1 | ||
| Appearance | Colorless gas | ||
| Density | 0.8153 g/cm3 (−20 °C)[3] (liquid) | ||
| Melting point | −92 °C (−134 °F; 181 K) | ||
| Boiling point | −19 °C (−2 °F; 254 K)[3] | ||
| 400 g/L | |||
| log P | 0.350 | ||
| Vapor pressure | > 1 atm[4] | ||
| Acidity (pKa) | 13.27 (hydrate)[5][6] | ||
| −18.6·10−6 cm3/mol | |||
| 2.330 D[7] | |||
| Structure | |||
| C2v | |||
| Trigonal planar | |||
| Thermochemistry[8] | |||
| 35.387 J·mol−1·K−1 | |||
| 218.760 J·mol−1·K−1 | |||
| −108.700 kJ·mol−1 | |||
| −102.667 kJ·mol−1 | |||
| 571 kJ·mol−1 | |||
| Pharmacology | |||
| QP53AX19 (WHO) | |||
| Hazards | |||
| GHS labelling: | |||
   [9] | |||
| Danger | |||
| H301+H311+H331, H314, H317, H335, H341, H350, H370[9] | |||
| P201, P280, P303+P361+P353, P304+P340+P310, P305+P351+P338, P308+P310[9] | |||
| NFPA 704 (fire diamond) | |||
| Flash point | 64 °C (147 °F; 337 K) | ||
| 430 °C (806 °F; 703 K) | |||
| Explosive limits | 7–73% | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
100 mg/kg (oral, rat)[10] | ||
LC50 (median concentration) |
333 ppm (mouse, 2 h) 815 ppm (rat, 30 min)[11] | ||
LCLo (lowest published) |
333 ppm (cat, 2 h)[11] | ||
| NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 0.75 ppm ST 2 ppm (as formaldehyde and formalin)[12][13] | ||
REL (Recommended) |
Ca TWA 0.016 ppm C 0.1 ppm [15-minute][12] | ||
IDLH (Immediate danger) |
Ca [20 ppm][12] | ||
| Safety data sheet (SDS) | MSDS(Archived) | ||
| Related compounds | |||
Related aldehydes |
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Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Főnév
formaldehyde (tsz. formaldehydes)
- formaldehyde - Szótár.net (en-hu)
- formaldehyde - Sztaki (en-hu)
- formaldehyde - Merriam–Webster
- formaldehyde - Cambridge
- formaldehyde - WordNet
- formaldehyde - Яндекс (en-ru)
- formaldehyde - Google (en-hu)
- formaldehyde - Wikidata
- formaldehyde - Wikipédia (angol)
- 1 2
- ↑
- 1 2 SIDS Initial Assessment Report. International Programme on Chemical Safety. [2019. március 28-i dátummal az eredetiből archiválva].
- ↑
- ↑ PubChem Compound Database; CID=712. National Center for Biotechnology Information. [2019. április 12-i dátummal az eredetiből archiválva].
- ↑ Acidity of aldehydes. Chemistry Stack Exchange. [2018. szeptember 1-i dátummal az eredetiből archiválva].
- ↑ Selected Values of electric dipole moments for molecules in the gas phase (NSRDS-NBS10), 1967. [2018. június 8-i dátummal az eredetiből archiválva].
- ↑
- 1 2 3 Record of Formaldehyde in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 13 March 2020.
- ↑ Substance Name: Formaldehyde [USP]. ChemlDplus . US National Library of Medicine. [2017. szeptember 18-i dátummal az eredetiből archiválva].
- 1 2 Formaldehyde. Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH)
- 1 2 3 NIOSH Pocket Guide to Chemical Hazards: #0293. National Institute for Occupational Safety and Health (NIOSH)
- ↑ NIOSH Pocket Guide to Chemical Hazards: #0294. National Institute for Occupational Safety and Health (NIOSH)