Copper(II) sulfate CAS#7758-98-7

CAS Number: 7758-98-7
Chemical Formula: CuO4S
Synonyms:

Coppersulfateanhydrousgreenpowder
"Copper(II) sulfate, anhydrous/ 97+%"
Copper(II) sulfate,Cupric sulfate

Appearance: Blue Powder

MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

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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
InChI	1S/Cu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKey	ARUVKPQLZAKDPS-UHFFFAOYSA-L
SMILES	[Cu++].[O-]S([O-])(=O)=O
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	TSCA listed
HS Code	2833 25 00
HazardClass	6.1
PackingGroup	III
Storage Class	11 - Combustible Solids
Hazard Classifications	Acute Tox. 4 Oral Aquatic Acute 1 Aquatic Chronic 1 Eye Irrit. 2 Skin Irrit. 2
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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