Bis-PEG5-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.
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Bis-PEG5-acid
Dangerous GoodsCAS number:439114-13-3 molecular formula:C14H26O9
overview
compound introduction
Specs
| Chinese alias | - | ||
| English alias | S10670 | 4,7,10,13,16-PENTAOXANONADECANE-1,19-DIOICACID | 4,7,10,13,16-PENTAOXANONADECANE-1,19-DIOIC ACID | COOH-PEG4-COOH | A918686 | BP-20412 | DTXSID10593236 | SCHEMBL1766172 | C14H26O9 | MFCD11041120 | AMY4459 | FT-0673562 | AS-64430 | a,?-dipropionic | ||
| CAS number | 439114-13-3 | molecular formula | C14H26O9 |
| molecular weight | 338.35 g/mol | Exact mass | ≥98% |
| PSA | 121.000 Ų | logp | -1.500 |
numbering system
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physicochemical properties
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Safety information
pictogram:
GHS05
Signal word:
Danger
Hazard Statement:
H318: 造成严重的眼睛损伤
Statement of Preventive Measures:
P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P264+P265: 处理后彻底洗手[和…]。不要触摸眼睛。 P305+P354+P338: 如果进入眼睛:立即用水冲洗几分钟。取下隐形眼镜(如果有的话),并且操作简单。继续冲洗。 P317: 寻求紧急医疗救助。
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