Detail of "4722-99-0"

CAS Number:
4722-99-0
Name:
9-Octadecenoic acid,12-hydroxy-, barium salt (2:1), (9Z,12R)-
Molecular Structure:
Formula:
C18H34 O3 . 1/2 Ba
Molecular Weight:
732.36
Synonyms:
9-Octadecenoicacid, 12-hydroxy-, barium salt (2:1), [R-(Z)]-; Ricinoleic acid, barium salt(2:1) (8CI); Barium ricinoleate; RBA; Stabilisator RBA; Stabilizer RBA
Density:
0.957g/cm³
Boiling Point:
416.4 ºC at 760 mmHg
Flash Point:
219.8 ºC
Safety:
Poison by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating fumes. See also RICINOLEIC ACID and BARIUM COMPOUNDS (soluble). Details

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Radiation shielding material: Radiation shielding material. Nagai, Haruo; Uehara, Hiroshi; Imamura, Katsuharu (Kyowa Gas Chemical Industry Co., Ltd., Japan). Jpn. Tokkyo Koho JP 61045800 B4 9 Oct 1986 Showa, 5 pp. (Japan) CODEN: JAXXAD. CLASS: IC: G21F001-10. APPLICATION: JP 78-2583 13 Jan 1978. DOCUMENT TYPE: Patent CA Section: 71 (Nuclear Technology) The title materials are obtained by copolymn. of (hydroxy) C1-4 alkyl (meth)acrylate and/or styrene with Pb (meth)acrylate in presence of an org. metal salt. The material has high transparency and good shielding efficiency for x-rays. Thus, Me methacrylate, styrene, 2-hydroxyethyl methacrylate, Pb methacrylate, and poly(ethylene glycol) dimethacrylate were polymd. in the presence of Ca stearate. The 8-mm sheet prepd. from the above material had transparency 88% and Pb-equiv. for 68.8-keV x-rays 0. 4722-99-0 is just another one chemical used in this study.28 mm. .

Electrically insulating composition for wires and cables: Electrically insulating composition for wires and cables. (Hitachi Cable, Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 58220304 A2 21 Dec 1983 Showa, 4 pp. (Japanese).Chemicals with cas numbers 4722-99-0 and 9003-07-0 also play role. (Japan). CODEN: JKXXAF. CLASS: IC: H01B003-44; C08K005-09; C08L023-02. APPLICATION: JP 82-102784 15 Jun 1982. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Manufacture and Processing) Section cross-reference(s): 42 Treeing-resistant compns. contain 100 parts polyolefins or C2H4 copolymers and 0.05-1.0 part OH group-contg. fatty acids or their salts. Thus, a compn. of low-d. polyethylene [9002-88-4] 100, 4,4'-thiobis(3-methyl-6-tert-butylphenol) 0.25, and hydroxystearic acid (I) [1330-70-7] 0.05 part was subjected to an elec. test in water for 500 days with formation of 3 ′ 102 bow tie trees/cm3 (max. length 250 mm), compared with 2 ′ 105 (800) for a compn. contg. stearic acid in place of I. .