硒化钠

Sodium selenide is used in paper and pulp industry, for kraft process followed by photographic industry to prevent developer solutions. It finds application as a bleaching agent in textile industry, sulfur dyes and detergents. It is also used to impart color to glass, glazes and enamels. Further, it acts as a decolorizer of glass due to neutralization of greenish tint produced by iron (ferrous) compounds. It plays an important role to prepare organoselenium compounds by reacting with alkyl halides.

Hygroscopic, moisture and air sensitive. Incompatible with water, acids and oxidizing agents.

MFCD00014240

215-212-0

Na ₂Se

124.94

>875°

2.625

Hygroscopic. Moisture Sensitive. Air Sensitive. Store under Argon. Ambient temperatures.

-60 Mesh (dry under argon)

Soluble in ethanol and liquid ammonia. Slightly soluble tetrahydrofuran.

14,8672

II

23/25-33-50/53
Toxic by inhalation and if swallowed.Danger of cumulative effects.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

6.1

20/21-28-45-60-61
When using do not eat, drink or smoke.After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer).In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous wasteAvoid release to the environment. Refer to special instructions/safety data sheets.

WE0350000

是

H300-H331-H373-H400-H410
Fatal if swallowed.Toxic if inhaled.May cause damage to organs through prolonged or repeated exposure.Very toxic to aquatic life.Very toxic to aquatic life with long lasting effects.

P273-P270-P309-P310-P302+P352-P501a
Avoid release to the environment.Do not eat, drink or smoke when using this product.IF exposed or if you feel unwell:Immediately call a POISON CENTER or doctor/physician.IF ON SKIN: Wash with plenty of soap and water.Dispose of contents/container in accordance with local/regional/national/international regulations.