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Copper(II) sulfate CAS#7758-98-7
CAS Number: 7758-98-7
Chemical Formula: CuO4S
Synonyms:
COPPER SULPHATE (FEED GRADE)
Copper(II)sulfateanhydrous,98%
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Powder
Copper(II) sulfate CAS#7758-98-7
Copper sulfate is a greenish-white crystallinesolid; the pentahydrate is blue powder or granules, or ultramarine crystalline solid. Molecular weight =159.60; 249.70(pentahydrate). Boiling point =150℃ (pentahydrate) with25H2O; Melting point = (decomposes) .200℃; decomposes .110℃ (pentahydrate) with 24H2O; copper sulfatedecomposes to CuO at 650℃. Hazard Identification (basedon NFPA-704 M Rating System): Health 2, Flammability 0,Reactivity 0. Highly soluble in water; forms a bright bluesolution.
| Copper(II) sulfate Chemical Properties |
| Melting point | 200 °C (dec.)(lit.) |
| bulk density | 800kg/m3 |
| density | 3.603 g/mL at 25 °C(lit.) |
| vapor pressure | 7.3 mm Hg ( 25 °C) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: soluble |
| form | powder |
| color | Slightly greenish to gray |
| Specific Gravity | 3.603 |
| Flame Color | Bluish-green |
| Odor | odorless |
| PH | 3.5-4.5 (50g/l, H2O, 20℃) |
| PH Range | 3.7 - 4.5 |
| Water Solubility | 203 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 14,2653 |
| Exposure limits | ACGIH: TWA 1 mg/m3 NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 |
| Dielectric constant | 10.3（0.0℃） |
| Stability: | hygroscopic |
| Cosmetics Ingredients Functions | SKIN CONDITIONING |
| InChIKey | ARUVKPQLZAKDPS-UHFFFAOYSA-L |
| CAS DataBase Reference | 7758-98-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Cupric sulfate(7758-98-7) |
| EPA Substance Registry System | Cupric sulfate (7758-98-7) |
| Safety Information |
| Hazard Codes | Xn,N,Xi |
| Risk Statements | 36/38-50/53-22-51/53-36/37/38 |
| Safety Statements | 24/25-36-60-61-22-26 |
| RIDADR | UN 3288 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | GL8800000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 2833 25 00 |
| HazardClass | 6.1 |
| PackingGroup | III |
| Hazardous Substances Data | 7758-98-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 481 mg/kg |
Product Application of Copper(II) sulfate CAS#7758-98-7
Copper sulfate is also known as blue vitriol, this substance was made by the action of sulfuric acid on elemental copper. The bright-blue crystals are soluble in water and alcohol. Mixed with ammonia, copper sulfate was used in liquid filters. The most common application for copper sulfate was combining it with potassium bromide for making copper bromide bleach for intensification and toning. Some photographers used copper sulfate as a restrainer in ferrous sulfate developers that were used in the collodion process.
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