BERYLLIUM SULFATE N-HYDRATE
Beryllium sulfate tetrahydrate
CAS: 7787-56-6
Molecular Formula: BeH8O8S
BERYLLIUM SULFATE N-HYDRATE - Names and Identifiers
| Name | Beryllium sulfate tetrahydrate |
| Synonyms | Glucinum sulfat BERYLLIUM SULFATE BERYLLIUM SULFATE N-HYDRATE BERYLLIUM SULFATE, 4-HYDRATE Beryllium sulfate tetrahydrate |
| CAS | 7787-56-6 |
| EINECS | 629-461-1 |
| InChIKey | DIMYTQPLZWDZFE-UHFFFAOYSA-L |
BERYLLIUM SULFATE N-HYDRATE - Physico-chemical Properties
| Molecular Formula | BeH8O8S |
| Molar Mass | 177.14 |
| Density | 1.713 g/mL at 25 °C(lit.) |
| Melting Point | 270℃ |
| Water Solubility | Freely soluble in water. Insoluble in alcohol |
| Appearance | Lumps |
| Specific Gravity | 1.713 |
| Color | Colorless, tetragonal crystals |
| Merck | 14,1175 |
| Stability | Stable. |
| Use | Used as an analytical reagent and also used in the manufacture of other beryllium salts. It is used to study the chelation of beryllium with dicarboxylic acid esters to understand the physiological chemistry of beryllium. |
BERYLLIUM SULFATE N-HYDRATE - Risk and Safety
| Risk Codes | R49 - May cause cancer by inhalation R25 - Toxic if swallowed R26 - Very Toxic by inhalation R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact R48/23 - R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1566 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | DS5000000 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | II |
| Toxicity | mma-sat 3300 ng/plate ENMUDM 6(Suppl 2),1,84 |
BERYLLIUM SULFATE N-HYDRATE - Nature
| EPA chemical information | Beryllium monosulfate tetrahydrate (7787-56-6) |
Last Update：2024-04-10 22:29:15
BERYLLIUM SULFATE N-HYDRATE - Uses and synthesis methods
Introduction
beryllium sulfate tetrahydrate is a colorless tetragonal crystal. the production method is to slowly add Be(OH)2 powder to dilute sulfuric acid, dissolve it under stirring until it is no longer dissolved, filter, add a small amount of sulfuric acid to the filtrate, acidify and evaporate and concentrate. Cool to room temperature, and air dry at room temperature after the crystallization is drained. This crystal is beryllium sulfate tetrahydrate.
application
Beryllium sulfate tetrahydrate can be used to study the chelation of beryllium and dicarboxylic acid esters to understand the physiology and chemistry of beryllium.
Solubility in water (g/100ml)
Dissolved grams per 100 ml of water at different temperatures (℃):
37g/0℃;37.6g/10℃;39.1g/20℃;41.4g/30℃;45.8g/40℃
53.1g/60℃;67.2g/80℃;82.8g/100℃
Production method
1. slowly add Be(OH)2 powder to dilute sulfuric acid, dissolve it under stirring until it is no longer dissolved, filter, add a small amount of sulfuric acid to the filtrate, acidify and evaporate and concentrate. It is cooled to room temperature, and the crystals are drained and air-dried at room temperature. This crystal is beryllium sulfate tetrahydrate.
category
Toxic substances
Toxicity classification
Highly toxic
Acute toxicity
intravenous-rat LD50: 3.85 mg/kg; Abdominal-mouse LD50: 41 mg/kg
flammability hazard characteristics
High heat produces toxic sulfur oxides and beryllium oxide smoke
storage and transportation features
Ventilated and dry at low temperature; stored separately from warehouse food ingredients
Fire extinguishing agent
Dry powder, foam, sand, carbon dioxide, mist water
occupational standards
TWA 0.002 mg (beryllium)/m3; STEL 0.006 mg/m3
Last Update：2024-04-10 22:29:15
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