Nacalai Tesque Silica Gel, White, 500G
Product Number: 30615-85
Harmful Substance (HAZMAT) - Hazardous Material - Additional Shipping Costs may Apply.
Specifications:
Molecular Formula | SiO2・nH2O |
---|---|
Rational Formula | SiO2 |
EINECS | 231-545-4 |
UN Number | NONE |
ACXID | X1008682-5 |
Appearance | Solid (irregular), 10-40mesh |
Form | Irregular (white)(small), particle size: 10-40mesh |
RTECS | VV7310000 |
R_Phrase | R: 20, 36/37 |
S_Phrase | S: 26, 36, 22 |
Melting point | 1710℃ |
Boiling point | 2230℃ |
Flash point | 不燃性 |
Color | White |
soluble in ( > mg / ml ) | hot NaOH aq |
Loss on drying | max. 2.0 % (JIS K0067 190deg.C, constant mass) |
pH (50g/L, 25deg.C) | 4.0 - 8.0 (JIS K8001) |
Moisture absorption capacity (Relative humidity 20%) | min. 8.0 % (JIS Z0701) |
Moisture absorption capacity (Relative humidity 50%) | min. 20 % (JIS Z0701) |
Moisture absorption capacity (Relative humidity 90%) | min. 30 % (JIS Z0701) |
- Model: 30615-85
- Manufactured by: Nacalai Tesque