HOOC-PEG7-CH2CH2COOH
- CAS NO.：1246189-43-4
- Empirical Formula: C20H38O12
- Molecular Weight: 470.51
- MDL number: MFCD29917781
- Update Date: 2024-10-28 23:16:16
What is HOOC-PEG7-CH2CH2COOH?
Description
Bis-PEG8-acid is a PEG linker containing terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.
Properties of HOOC-PEG7-CH2CH2COOH
| Boiling point: | 601.8±55.0 °C(Predicted) |
| Density | 1.179±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 3.97±0.10(Predicted) |
| form | Solid |
| color | White to off-white |
Safety information for HOOC-PEG7-CH2CH2COOH
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for HOOC-PEG7-CH2CH2COOH
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