Detail of "688-84-6"

CAS Number:
688-84-6
Name:
2-Propenoic acid,2-methyl-, 2-ethylhexyl ester
Superlist Name:
2-Ethylhexyl methacrylate
Molecular Structure:
Formula:
C₁₂H₂₂O₂
Molecular Weight:
198.34
Synonyms:
Methacrylicacid, 2-ethylhexyl ester (6CI,7CI,8CI);1-Hexanol, 2-ethyl-, methacrylate(6CI);2-Ethylhexyl methacrylate;Acryester EH;Blemmer EHMA 25;H 22;H 22(methacrylate);Light Ester EH;NSC 24173;NSC 32647;
EINECS:
211-708-6
Density:
0.88 g/cm³
Melting Point:
-50 °C
Boiling Point:
234.845 °C at 760 mmHg
Flash Point:
91.411 °C
Solubility:
<0.1 g/L in water
Appearance:
colourless liquid
Hazard Symbols:
Xi
Risk Codes:
36/37/38-43
Safety:
26-37/39-24 Details

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Business Type
Business Type
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Certificates
Certificates
- ISO(1)
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Solventless alkyd coating compositions: Solventless alkyd coating compositions. Shimizu, Hiroshi; Yamaki, Masutada; Katagai, Masuo; Emi, Makoto (Dainippon Toryo Co., Ltd., Japan). Japan. Kokai JP 52114624 26 Sep 1977 Showa, 11 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09D003-68. APPLICATION: JP 76-31769 23 Mar 1976. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 55 Solventless coating compns. contained drying and/or semi-drying oil-modified alkyd (40-80% oil) 40-90, (CH2:CRCO2)nZ(O2CCR:CH2)m (Z = polyol residue, R = H, halogen, alkyl, n, m = 1-3, b.p. >180°) 10-60, monovinyl compd. (b.p. >180°) 0-20, Cu and/or Ba soap (1% metal) 0.2-5, and Co soap (5% Co) 0.5-5 parts. For example, soybean oil fatty acid 41.15, phthalic anhydride 16.9, pentaerythritol 12, and trimethylolpropane 3.9 parts were condensed at 230° under N to give an alkyd (acid value 10, 62% oil) which was mixed with trimethylolpropane trimethacrylate [3290-92-4] 25, 2-ethylhexyl methacrylate [688-84-6] 5, Co naphthenate (5% Co) 1.5, and Ba naphthenate (1% Ba) 0.4 phr to give a compn. with viscosity 1918 cP increasing to 1922 cP in 10 days, giving a fast curing (8 h) coating (on steel) with good flexibility and resistance to water and gasoline.

Photocurable sealing compositions: Photocurable sealing compositions. (Nippon Soda Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59093715 A2 30 May 1984 Showa, 11 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C08F299-00; C08F002-48; C09J003-14; C09K003-10; G02F001-133. APPLICATION: JP 82-201161 18 Nov 1982. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) Section cross-reference(s): 39 Photocurable flexible sealants with good adhesion to substrates over a wide temp. range, useful for liq. crystal display cells, contain modified butadiene polymers of no.-av. mol. wt. 500-10,000 with (meth)acryloyl terminal and/or pendant groups, polymerizable diluents, and photopolymn. initiators. Thus, TEA-1000 [92881-47-5] (acrylic-urethane-modified polybutadiene) 350, 2-ethylhexyl methacrylate [688-84-6] 150, benzophenone 20, and Aerosil 200 20 parts were mixed and screen printed onto glass plates, which were pressed against a 10-m spacer and irradiated with a Hg lamp to form a cell, which was then evacuated, filled with liq. crystals, sealed at the point of injection with the same compn., and cured by UV irradn. The resulting liq. crystal cell showed adhesion (tensile shear strength) 3.2 kg/cm2, and was undamaged after 30 thermal cycles from -40° to +80°, compared with 1.5 kg/cm2 for a cell prepd. similarly using an epoxy resin sealant, which showed leakage of liq. crystals after the thermal cycle test.