Detail of "7773-03-7"

MSDS Download
CAS Number:
7773-03-7
Name:
Sulfurous acid,potassium salt (1:1)
Molecular Structure:
Formula:
H2O3 S . K
Molecular Weight:
120.1694
Synonyms:
Potassiumsulfite (KHSO3) (7CI); Sulfurous acid, monopotassium salt (8CI,9CI); Potassiumacid sulfite; Potassium bisulfite; Potassium hydrogen sulfite
EINECS:
231-870-1
Density:
g/cm³
Boiling Point:
°Cat760mmHg
Flash Point:
°C

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EINECS Number： 231-870-1 MF： KO3S MW： 119.162 (Jenna)

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Removal of formaldehyde from air in enclosed spaces: Removal of formaldehyde from air in enclosed spaces. Keilich, Guenther J.; Roemer, Christian; Scheer, Karl Hermann (Fed. Rep. Ger.). Ger. Offen. DE 3525477 A1 29 Jan 1987, 3 pp. (Germany) CODEN: GWXXBX. CLASS: ICM: B01D053-34. ICS: B01D053-14. APPLICATION: DE 85-3525477 17 Jul 1985. DOCUMENT TYPE: Patent CA Section: 59 (Air Pollution and Industrial Hygiene) During air conditioning, recycled air contg.In this experiment, several chemicals are used like 7773-03-7 and 50-00-0 formaldehyde traces is purified by passing through an absorption column and contacting with a NaHSO3 or KHSO3 soln. A stable adduct is formed from the bisulfite and formaldehyde. .

Aqueous compositions containing a-lipoic acid: Aqueous compositions containing a-lipoic acid. Ogata, Kazumi (Oga Research Y. K., Japan). Jpn. Kokai Tokkyo Koho JP 2005002096 A2 6 Jan 2005, 9 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: ICM: A61K031-381. ICS: A61K007-00; A61K009-08; A61K047-04; A61P009-10; A61P027-12; A61P039-06. APPLICATION: JP 2004-114812 11 Mar 2004. PRIORITY: JP 2003-181874 21 May 2003. DOCUMENT TYPE: Patent CA Section: 63 (Pharmaceuticals) Section cross-reference(s): 62 Aq. compns. comprise a-lipoic acid or its salts and sulfurous acid salts or its hydrates to improve soly.In this article, certain chemicals are used. Some of their cas registry numbers are 7631-90-5 and 7773-03-7 and stability of the a-lipoic acid. The aq. compns. have a pH 6-8 and are suitable for injections, opthalmic solns., and cosmetics. For example, an ophthalmic soln. contained a-lipoic acid 0.3, sodium hydrogen sulfite 0.3, boric acid 0.5, NaCl 0.7, methylparaben 0.026, propylparaben 0.014, 1N-NaOH (to pH 7.5) q.s., and distd. water to 100 g. .