Difference between revisions of "Arsenic trioxide"
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| Section1 = {{Chembox Identifiers | | Section1 = {{Chembox Identifiers | ||
| ChemSpiderID = 452454 | | ChemSpiderID = 452454 | ||
| + | | InChI=1/As4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3 | ||
| + | | InChIKey = KTTMEOWBIWLMSE-UHFFFAOYAT | ||
| + | | StdInChI=1S/As4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3 | ||
| + | | StdInChIKey = KTTMEOWBIWLMSE-UHFFFAOYSA-N | ||
| CASNo = 1327-53-3 | | CASNo = 1327-53-3 | ||
| CASNo_Ref = {{cascite}} | | CASNo_Ref = {{cascite}} | ||
Revision as of 17:50, 23 December 2010
| Arsenic trioxide | |
|---|---|
| Identifiers | |
| InChI | InChI=1/As4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3 |
| InChIKey | KTTMEOWBIWLMSE-UHFFFAOYAT |
| Standard InChI | InChI=1S/As4O6/c5-1-6-3-8-2(5)9-4(7-1)10-3 |
| Standard InChIKey | KTTMEOWBIWLMSE-UHFFFAOYSA-N |
| CAS number | [] |
| EC number | |
| ChemSpider | |
| Properties[1] | |
| Chemical formula | As2O3 |
| Molar mass | 197.84 g mol−1 |
| Appearance | white powder |
| Melting point |
312.3 °C |
| Boiling point |
457.2 °C |
| Solubility in water | 3.7 g/100 ml (20 °C) |
| Hazards[2][3] | |
| EU index number | 033-003-00-0 |
| GHS pictograms |    
|
| GHS signal word | DANGER |
| GHS hazard statements | H300, H314, H350, H400, H411 |
| PEL (U.S.) | 0.01 mg m−3 TWA (as As) |
| Related compounds | |
| Other anions | Arsenic trisulfide Arsenic triselenide |
| Other cations | Phosphorus trioxide Antimony trioxide Bismuth trioxide |
| Other compounds | Arsenic pentaoxide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Arsenic trioxide, As2O3, is the major commercial compound of arsenic, and the normal product when arsenic is burned in air.[4]
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-79. ISBN 0-8493-0462-8.
- ↑ Index no. 033-003-00-0 of Annex VI, Part 3, to Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006. OJEU L353, 31.12.2008, pp 1–1355 at p 427.
- ↑ "Inorganic arsenic", 29 C.F.R. § 1910.1018, 58 FR 35310, June 30, 1993, as amended. Arsenic (inorganic compounds, as As). In Pocket Guide to Chemical Hazards; U.S. Department of Health and Human Services (NIOSH) Publication No. 2005-149; Government Printing Office: Washington, DC, 2005. ISBN 9780160727511, <http://www.cdc.gov/niosh/npg/npgd0038.html>.
- ↑ Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 668–70. ISBN 0-08-022057-6.
Further reading
- Arsenic and arsenic compounds. In Overall Evaluations of Carcinogenicity: An Updating of IARC Monographs Volumes 1 to 42; IARC Monographs on the Evaluation of Carcinogenic Risks to Humans Supplement 7; International Agency for Research on Cancer: Lyon, France, 1987; pp 100–6. ISBN 92-832-1411-0, <http://monographs.iarc.fr/ENG/Monographs/suppl7/Suppl7-19.pdf>. Arsenic in Drinking Water. In Some Drinking-water Disinfectants and Contaminants, including Arsenic; IARC Monographs on the Evaluation of Carcinogenic Risks to Humans 84; International Agency for Research on Cancer: Lyon, France, 2004; pp 39–267. ISBN 92-832-1284-3, <http://monographs.iarc.fr/ENG/Monographs/vol84/mono84-6.pdf>.
- Arsenic Compounds, Inorganic. In Report on Carcinogens, Eleventh Edition; U.S. Department of Health and Human Services, Public Health Service, National Toxicology Program, 2005, <http://ntp.niehs.nih.gov/ntp/roc/eleventh/profiles/s015arse.pdf>.
External links
 |
See also the corresponding article on Wikipedia. |
- IPCS Environmental Health Criteria 182: Arsenic
- IPCS Poisons Information Monograph G042: Arsenic
- WHO Food Additives Series 24
- JECFA Evaluation: Arsenic
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