Formaldehyde
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| Names | |||
|---|---|---|---|
| Preferred IUPAC name
Formaldehyde[1] | |||
| Seestematic IUPAC name
Methanal[1] | |||
| Ither names
Methyl aldehyde
Methylene glycol Methylene oxide Formalin (aqueous solution) Formol Carbonyl hydride | |||
| Identifiers | |||
3D model (JSmol)
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| 3DMet | B00018 | ||
| 1209228 | |||
| ChEBI | |||
| ChEMBL | |||
| ChemSpider | |||
| DrugBank | |||
| EC Nummer | 200-001-8 | ||
| Gmelin Reference | 445 | ||
| KEGG | |||
| MeSH | Formaldehyde | ||
PubChem CID
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| RTECS nummer | LP8925000 | ||
| UNII | |||
| UN nummer | 2209 | ||
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| Properties[6] | |||
| CH2O | |||
| Molar mass | 30.03 g·mol−1 | ||
| Appearance | Colorless gas | ||
| Density | 0.8153 g/cm3 (−20 °C)[2] | ||
| Meltin pynt | −92 °C (−134 °F; 181 K) | ||
| Bylin pynt | −19 °C (−2 °F; 254 K)[2] | ||
| 400 g dm−3 | |||
| log P | 0.350 | ||
| Vapour pressur | < 1 atm[3] | ||
| Acidity (pKa) | 13.27 [4][5] | ||
| Magnetic susceptibility | -18.6·10−6 cm3/mol | ||
| 2.33 D | |||
| Structur | |||
| Pynt group | C2v | ||
| Molecular shape | Trigonal planar | ||
| Pharmacology | |||
| QP53AX19 (WHO) | |||
| Hazards | |||
| Safety data sheet | MSDS | ||
| EU clessification | Toxic (T) Corrosive (C) Carc. Cat. 1 | ||
| R-phrases | R23/24/25 R34 R43 R45 | ||
| S-phrases | (S1/2) S26 S36/37/39 S45 S51 S53 S60 | ||
| NFPA 704 | |||
| Flash pynt | 64 °C (147 °F; 337 K) | ||
| 430 °C (806 °F; 703 K) | |||
| Explosive leemits | 7–73% | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (Median dose)
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100 mg/kg (oral, rat)[9] | ||
LC50 (Median concentration)
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333 ppm (moose, 2 hr) 815 ppm (rat, 30 min)[10] | ||
LCLo (Lawest published)
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333 ppm (cat, 2 hr)[10] | ||
| US heal exposur leemits (NIOSH): | |||
PEL (Permissible)
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TWA 0.75 ppm ST 2 ppm (as formaldehyde an formalin)[7][8] | ||
REL (Recommendit)
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Ca TWA 0.016 ppm C 0.1 ppm [15-minute][7] | ||
IDLH (Immediate danger)
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Ca [20 ppm][7] | ||
| Relatit compoonds | |||
Relatit aldehydes
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Acetaldehyde Butyraldehyde | ||
Relatit compoonds
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methanol formic acid | ||
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa). | |||
 verify (whit is   ?)
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| Infobox references | |||
Formaldehyde is a naiturally occurring organic compoond wi the formula CH2O (H-CHO). It is the simplest o the aldehydes (R-CHO) an is an aa kent bi its seestematic name methanal. The common name o this substance comes frae its seemilarity an relation tae formic acid.
References
[eedit | eedit soorce]- ↑ a b Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 908. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
- ↑ a b Formaldehyde (PDF), SIDS Initial Assessment Report, International Programme on Chemical Safety
- ↑ Spence, Robert, and William Wild. "114. The vapour-pressure curve of formaldehyde, and some related data." Journal of the Chemical Society (Resumed) (1935): 506-509
- ↑ https://pubchem.ncbi.nlm.nih.gov/compound/formaldehyde#section=Odor-Threshold
- ↑ http://chemistry.stackexchange.com/questions/12232/acidity-of-aldehydes
- ↑ Weast, Robert C., ed. (1981). CRC Handbook of Chemistry and Physics (62nd ed.). Boca Raton, FL: CRC Press. pp. C–301, E–61. ISBN 0-8493-0462-8.
- ↑ a b c NIOSH Pocket Guide tae Chemical Hazards 0293
- ↑ NIOSH Pocket Guide tae Chemical Hazards 0294
- ↑ http://chem.sis.nlm.nih.gov/chemidplus/rn/50-00-0
- ↑ a b "Formaldehyde". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).
