网站主页>>>项目整合精选>>>项目整合精选>>>Succinic Acid CAS Registry Number: 110-15-6 琥珀酸; 丁二酸

Succinic Acid CAS Registry Number: 110-15-6 琥珀酸; 丁二酸


CAS Name: Butanedioic acid
Additional Names: amber acid; ethylenesuccinic acid; Bernsteinsäure (German)
Trademarks: Asuccin
Percent Composition: C 40.68%, H 5.12%, O 54.19%
📌 参考资料/链接:
Literature References: Observed by Agricola in 1546, in the distillate from amber. Occurs in fossils, fungi, lichens, etc. Prepn from acetic acid: Coffman et al., J. Am. Chem. Soc. 80, 2864 (1958). Manuf: Crosby, Braunwarth, US 2862028 (1958 to Pure Oil); Chafetz, Patterson, US 2978473 (1961 to Texaco). Toxicity study: H. F. Smyth et al., Arch. Ind. Hyg. Occup. Med. 4, 119 (1951).

📄 详细内容


Properties: Odorless, monoclinic prisms; very acid taste; d 1.56; mp 185-187°; bp 235° with partial conversion into the anhydride. One gram dissolves in 13 ml cold water, 1 ml boiling water, 18.5 ml alcohol, 6.3 ml methanol, 36 ml acetone, 20 ml glycerol, 113 ml ether. Practically insol in benzene, carbon disulfide, carbon tetrachloride, petr ether. pH of 0.1 molar aq soln 2.7.
Melting point: mp 185-187°
Boiling point: bp 235°
Density: d 1.56
Derivative Type: Potassium salt trihydrate
Additional Names: Potassium succinate
Percent Composition: C 19.35%, H 4.06%, K 31.49%, O 45.10%
Properties: Hygroscopic crystalline powder. d 1.564. Freely sol in water; the aq soln is practically neutral. Keep tightly closed.
Density: d 1.564
Derivative Type: Diethyl ester
Additional Names: Ethyl succinate
Percent Composition: C 55.16%, H 8.10%, O 36.74%
Properties: Colorless, clear liq; faint, pleasant odor. d420 1.040. bp 217-218°. mp -21°. nD20 1.4201. Insol in water. Miscible with alcohol, ether. LD50 orally in rats: 8.53 g/kg (Smyth).
Melting point: mp -21°
Boiling point: bp 217-218°
Index of refraction: nD20 1.4201
Density: d420 1.040
Toxicity data: LD50 orally in rats: 8.53 g/kg (Smyth)
Derivative Type: Dimethyl ester
Additional Names: Methyl succinate
Percent Composition: C 49.31%, H 6.90%, O 43.79%
Properties: Colorless liquid. d418 1.1202. mp 19.5°. bp760 195.3°; bp25 103.5°. Sol in 120 parts water, 35 parts alcohol.
Melting point: mp 19.5°
Boiling point: bp760 195.3°; bp25 103.5°
Density: d418 1.1202
Use: Manuf lacquers, dyes, esters for perfumes, succinates; in photography.
产品链接: 110-15-6››