Detail of "2509-26-4"

CAS Number:
2509-26-4
Name:
Benzene,1,1'-oxybis[4-(methoxymethyl)-
Superlist Name:
4,4'-Bis(methoxymethyl)diphenyl ether
Molecular Structure:
Formula:
C₁₆H₁₈O₃
Molecular Weight:
258.31
Synonyms:
Ether, bis(a-methoxy-p-tolyl) (7CI,8CI);4,4'-Bis(methoxymethyl)diphenyl ether;4,4'-Dimethoxymethyldiphenyl ether;1,1'-Oxybis[4-(methoxymethyl)benzene];Bis(alpha-methoxy-p-tolyl) ether;
EINECS:
219-722-4
Density:
1.083 g/cm³
Boiling Point:
336.6 °C at 760 mmHg
Flash Point:
113 °C

Assay:98%

Supplier:Hangzhou Dayangchem Co., Ltd. [ China (Mainland)]

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Light-sensitive copying composition: Light-sensitive copying composition. Palmer, Roland (Hoechst A.-G., Ger.).In this article, certain chemicals are used. One of their cas registry numbers is 2509-26-4 Ger. Offen. DE 2739774 9 Mar 1978, 54 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: G03C001-54. PRIORITY: LU 76-75749 8 Sep 1976. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic Processes) Neg.-working, light-sensitive copying compns. for the prodn. of high-prodn. offset printing plates, still copies, color sepns., screens, and etch resists are composed f a diazonium salt condensation product, a polyurethane that is a prepolymer with free isocyanato end groups, and an acid stabilizer. A non-drying alkyd resin may also be added. Thus, a typical compn. contained 31.0 wt parts of a polyurethane prepolymer with 7.0% free NCO end groups from 1,4-butanediol 1, polypropylene glycol (mol.In this experiment, several chemicals are used like 2509-26-4 wt. 1000) 1, 2,4-toluenediisocyanate 8, and 1,1,1-trimethylolpropane 2 mols, 20.2 wt. parts of an alkyd resin, 31.2 wt. parts of paraformaldehyde condensate with diphenylamine-4-diazonium chloride or 3-methoxydiphenylamine-4-diazonium chloride, 3.2 wt. % of p-O2NC6H4N:NC6H4NEt(CH2CH2OH)p, 0.8 wt. % of metanil yellow, and 1800.0 wt. parts of Me glycol. ..

Light-sensitive copying composition: Light-sensitive copying composition. Palmer, Roland (Hoechst A.-G., Ger.).In this article, certain chemicals are used. One of their cas registry numbers is 2509-26-4 Ger. Offen. DE 2739774 9 Mar 1978, 54 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: G03C001-54. PRIORITY: LU 76-75749 8 Sep 1976. DOCUMENT TYPE: Patent CA Section: 74 (Radiation Chemistry, Photochemistry, and Photographic Processes) Neg.-working, light-sensitive copying compns. for the prodn. of high-prodn. offset printing plates, still copies, color sepns., screens, and etch resists are composed f a diazonium salt condensation product, a polyurethane that is a prepolymer with free isocyanato end groups, and an acid stabilizer. A non-drying alkyd resin may also be added. Thus, a typical compn. contained 31.0 wt parts of a polyurethane prepolymer with 7.0% free NCO end groups from 1,4-butanediol 1, polypropylene glycol (mol.In this experiment, several chemicals are used like 2509-26-4 wt. 1000) 1, 2,4-toluenediisocyanate 8, and 1,1,1-trimethylolpropane 2 mols, 20.2 wt. parts of an alkyd resin, 31.2 wt. parts of paraformaldehyde condensate with diphenylamine-4-diazonium chloride or 3-methoxydiphenylamine-4-diazonium chloride, 3.2 wt. % of p-O2NC6H4N:NC6H4NEt(CH2CH2OH)p, 0.8 wt. % of metanil yellow, and 1800.0 wt. parts of Me glycol. ..