Helium CAS 7440-59-7
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- Time:2024-08-21
Product Details
- Product NameHelium
- CAS No.7440-59-7
- EINECS No.231-168-5
- MFHe
- MW4
- Appearancegascolorless
- Boiling point -268.934 °C(lit.)
- Melting point -272.2 °C(lit.)
- density 0.1785（0℃）
- Water Solubility 8.61mL/1000g H2O (101.32kPa, 0°C) [KIR78]; Henry’s law constants, k×10?4: 9.856 (104°C), 6.739 (149.4°C), 2.524 (250.6°C), 1.796 (275.1°C) [POT78]
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