Detail of "16809-88-4"

CAS Number:
16809-88-4
Name:
2-Propenoic acid,2-methyl-, calcium salt (2:1)
Molecular Structure:
Formula:
C4H6 O2 . 1/2 Ca
Molecular Weight:
210.24
Synonyms:
2-Propenoicacid, 2-methyl-, calcium salt (9CI); Methacrylic acid, calcium salt (8CI);Calcium dimethacrylate; Calcium methacrylate
Melting Point:
>160°C
Safety:
Risk Statements 36/37/38
Safety Statements 26-36/37/39
TSCA No
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Thermal oligomerization of metal salts of methacrylic acid in solid state: Thermal oligomerization of metal salts of methacrylic acid in solid state. Naruchi, Kiyoshi; Miura, Masatoshi; Nagakubo, Kuniharu (Chiba Univ., Chiba, Japan). Nippon Kagaku Kaishi, (6), 871-5 (Japanese) 1977. CODEN: NKAKB8. DOCUMENT TYPE: Journal CA Section: 35 (Synthetic High Polymers) Section cross-reference(s): 23 Alk. earth metal or alkali metal salts of methacrylic acid were heated 3 h at 230.degree. in vacuo to give dimers and trimers. The Ba salt [17989-77-4] gave 2-methylene-5-methyladipic acid (I) [5363-70-2] 20.7, 2-methylene-4,4-dimethylglutaric acid (II) [10297-25-3] 11.9, 1-nonene-2,5,8-tricarboxylic acid (III) [63587-81-5] 5.2, and 4-methyl-1-octene-2,4,7-tricarboxylic acid (IV) [63587-82-6] 10.9%. The Mg salt [7095-16-1], Ca salt [16809-88-4], and Sr salt [16436-33-2] gave I in 15.9, 30.1, and 33.7% yield, resp., and III in 6.0, 23.0, and 21.7% yield, resp. The Li salt [13234-23-6] gave II and I in 1 and 14.4% yield, resp., and other alkali metal salts gave mostly polymers with dimers in .apprx.2% yield.

Adhesion of vinyl chloride resins to metals: Adhesion of vinyl chloride resins to metals. Kobayashi, Taizo; Uchino, Hiroyoshi; Shimizu, Noboru (Nippon Shokubai Kagaku Kogyo Co., Ltd., Japan). Japan. Kokai JP 51109981 29 Sep 1976 Showa, 3 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: B32B015-08. APPLICATION: JP 75-34524 24 Mar 1975. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Fabrication and Uses) Aluminum methacrylate (I) [21828-44-4], zinc methacrylate [13189-00-9], or calcium methacrylate [16809-88-4] (0.1-10 parts) was added to 100 parts PVC [9002-86-2] to improve adhesion to metals. 13189-00-9 and 9002-86-2 which are cas registry numbers of substances are two of reagents here. Thus, iron wires were embedded in a sheet prepd. from 100 parts PVC, 30 parts DOP, 1 part Pb stearate, and 2% I. .