Zinc sulfate monohydrate
- Iupac Name：zinc;sulfate;hydrate
- CAS No.: 7446-19-7
- Molecular Weight：179.451
- Modify Date.: 2022-11-25 02:14
- Introduction: Zinc sulfate occurs in nature as the mineral, zinkosite. The heptahydrate, ZnSO4•7H2O is the mineral, goslarite. The salt is used as a mordant in calicoprinting, in making rayon, in preserving wood, in animal feeds, in electroplating, and in preparing many zinc compounds.
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1. Names and Identifiers
- 1.1 Name
- Zinc sulfate monohydrate
- 1.2 Synonyms
Gunningite MFCD00149893 SULFURIC ACID ZINC SALT MONOHYDRATE Zinc mesosulfate (ZnH2SO5) Zinc sulfate hydrate (1:1:1) ZINC SULFATE-1-HYDRATE ZINC SULPHATE H2O ZINC SULPHATE MONOHYDRATE zinc,sulfate,hydrate
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- 1.3 CAS No.
- 7446-19-7
- 1.4 CID
- 62639
- 1.5 EINECS(EC#)
- 616-096-8
- 1.6 Molecular Formula
- H2O5SZn (isomer)
- 1.7 Inchi
- InChI=1S/H2O4S.H2O.Zn/c1-5(2,3)4;;/h(H2,1,2,3,4);1H2;/q;;+2/p-2
- 1.8 InChIkey
- RNZCSKGULNFAMC-UHFFFAOYSA-L
- 1.9 Canonical Smiles
- O.[O-]S(=O)(=O)[O-].[Zn+2]
- 1.10 Isomers Smiles
- O.[O-]S(=O)(=O)[O-].[Zn+2]
2. Properties
- 2.1 Density
- 1.005g/mLat25°C
- 2.1 Melting point
- decomposes at 238℃ [KIR84]
- 2.1 Boiling point
- 330 °C at 760 mmHg
- 2.1 Precise Quality
- 177.89100
- 2.1 PSA
- 97.87000
- 2.1 logP
- -0.32400
- 2.1 Solubility
- water: soluble(lit.)
- 2.2 Appearance
- white powder or granules
- 2.3 Storage
- Ambient temperatures.
- 2.4 Chemical Properties
- White, free-flowing powder. Soluble inwater; insoluble in alcohol.
- 2.5 Physical Properties
- The anhydrous sulfate is a colorless rhombohedral crystalline solid; refractive index 1.658; density 3.54 g/cm3; decomposes at 600°C; soluble in water, methanol, and glycerol.The heptahydrate, ZnSO4•7H2O, is a colorless crystalline solid; metallic taste; rhombohedral crystals; effloresces; refractive index 1.457; density 1.957 g/cm3 at 25°C; melts at 100°C; loses all its water molecules at 280°C; decomposes above 500°C; very soluble in water, 96.5 g/100mL at 20°C; soluble in glycerol, 40 g/100 mL; insoluble in alcohol.The hexahydrate, ZnSO4•6H2O constitutes colorless monoclinic or tetragonal crystals; density 2.072 g/cm3 at 15°C; loses five water molecules at 70°C; soluble in water.
- 2.6 Color/Form
- White
- 2.7 Water Solubility
- Soluble in water and alcohol.
- 2.8 Stability
- Stable.
- 2.9 StorageTemp
- Keep container tightly closed.
3. Use and Manufacturing
- 3.1 GHS Classification
- Signal: Danger
GHS Hazard Statements
Aggregated GHS information provided by 175 companies from 11 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H314 (10.29%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H318 (99.43%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H400 (98.86%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
H410 (99.43%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]
Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.
Precautionary Statement Codes
P260, P264, P270, P273, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P363, P391, P405, and P501
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- 3.2 Purification Methods
- Crystallise it from aqueous EtOH or dilute H2SO4 below 39o when it forms the heptahydrate, and between 39o and 70o it forms the hexahydrate, and above 70o the monohydrate is stable. The anhydrous salt is obtained from the hydrates by heating at 280o or lower temperatures in a current of dry air. It decomposes to ZnO and SO2 at 767o. The solubility of the heptahydrate in H2O is 5.88% at 0o, 61.92% at 30o, 66.61% at 35o and 70.05% at 39o. Zinc sulfate monohydrate Preparation Products And Raw materials Raw materials
- 3.3 Usage
- Zinc sulfate occurs in nature as the mineral, zinkosite. The heptahydrate, ZnSO4•7H2O is the mineral, goslarite. The salt is used as a mordant in calicoprinting, in making rayon, in preserving wood, in animal feeds, in electroplating, and in preparing many zinc compounds.
4. Safety and Handling
- 4.1 Symbol
- GHS05, GHS07, GHS09
- 4.1 Hazard Codes
- Xn
- 4.1 Signal Word
- Danger
- 4.1 Risk Statements
- R22;R41;R50/53
- 4.1 Safety Statements
- S22;S26;S39;S46;S60;S61
- 4.1 Packing Group
- III
- 4.1 Hazard Class
- 9
- 4.1 Hazard Declaration
- H302-H318-H410
- 4.1 RIDADR
- UN 3077
- 4.1 Caution Statement
- P273-P280-P305 + P351 + P338-P501
- 4.1 WGK Germany
- 3
- 4.1 Safety
-
Safety Information of?Zinc sulfate monohydrate (CAS NO.7446-19-7):
Hazard Codes:Xn?
,N? 
Risk Statements:22-41-50/53
22:Harmful if swallowed
41:Risk of serious damage to eyes
50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment?
Safety Statements:22-26-39-46-60-61
22:Do not breathe dust
26:? In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
39:Wear eye/face protection
46:If swallowed, seek medical advice immediately and show this container or label
60:This material and/or its container must be disposed of as hazardous waste?
61:Avoid release to the environment. Refer to special instructions safety data sheet????
RIDADR:UN 3077 9/PG 3
WGK Germany:3
F:3
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- 4.2 Specification
-
white powder or granules
Safety Statements:22-26-39-46-60-61
22:Do not breathe dust
26:In case of contact with eyes, rinse immediately with plenty
of water and seek medical advice
39:Wear eye/face protection
46:If swallowed, seek medical advice immediately and show
this container or label
60:This material and/or its container must be disposed of
as hazardous waste
61:Avoid release to the environment. Refer to special instructions
safety data sheet
5. MSDS
2.Hazard identification
2.1 Classification of the substance or mixture
Acute toxicity - Oral, Category 4
Serious eye damage, Category 1
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1
2.2 GHS label elements, including precautionary statements
| Pictogram(s) |    |
| Signal word | Danger |
| Hazard statement(s) | H302 Harmful if swallowed H318 Causes serious eye damage H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects |
| Precautionary statement(s) | |
| Prevention | P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P273 Avoid release to the environment. |
| Response | P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell. P330 Rinse mouth. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310 Immediately call a POISON CENTER/doctor/\u2026 P391 Collect spillage. |
| Storage | none |
| Disposal | P501 Dispose of contents/container to ... |
2.3 Other hazards which do not result in classification
none
6. Other Information
- 6.0 Usage
- Zinc sulfate monohydrate is used in calico-printing, preserving wood and skins, electrolytes for zinc plating, bleaching paper and clarifying glue. It is also used as a chemical reagent, coagulant in the preparation of rayon, mordant in dyeing and as a zinc source in animal feeds. In medicine, it is used as an astringent and emetic. Further, it is a precursor to the pigment lithopone. In addition to this, it is used to supply zinc in fertilizers, agricultural sprays, in electrolytes for zinc plating and as a mordant in dyeing.
- 6.1 Merck
- 14,10159
- 6.2 Physical Properties
- The anhydrous sulfate is a colorless rhombohedral crystalline solid; refractive index 1.658; density 3.54 g/cm3; decomposes at 600°C; soluble in water, methanol, and glycerol.
The heptahydrate, ZnSO4?7H2O, is a colorless crystalline solid; metallic taste; rhombohedral crystals; effloresces; refractive index 1.457; density 1.957 g/cm3 at 25°C; melts at 100°C; loses all its water molecules at 280°C; decomposes above 500°C; very soluble in water, 96.5 g/100mL at 20°C; soluble in glycerol, 40 g/100 mL; insoluble in alcohol.
The hexahydrate, ZnSO4?6H2O constitutes colorless monoclinic or tetragonal crystals; density 2.072 g/cm3 at 15°C; loses five water molecules at 70°C; soluble in water.
- 6.3 Occurrence and Uses
- Zinc sulfate occurs in nature as the mineral, zinkosite. The heptahydrate, ZnSO4?7H2O is the mineral, goslarite. The salt is used as a mordant in calicoprinting, in making rayon, in preserving wood, in animal feeds, in electroplating, and in preparing many zinc compounds.
- 6.4 Production
- Zinc sulfate is produced as an intermediate in recovering zinc from mineral zinc blende, ZnS (see Zinc, Recovery). The mineral is roasted at about 1,000°C to form zinc oxide and sulfur dioxide which, on prolonged heating in excess air, converts to zinc sulfate:
2ZnS + 3O2 → 2ZnO + 2SO2
2ZnO + 2SO2 + O2 → 2ZnSO4
In the zinc recovery process, roasted products are leached with sulfuric acid, whereupon zinc oxide is converted to sulfate.
ZnO + H2SO4 → ZnSO4 + H2O
Also, zinc sulfate can be prepared by reacting metallic zinc with dilute sulfuric acid followed by evaporation and crystallization:
Zn + H2SO4 → ZnSO4 + H2
- 6.5 Chemical Properties
- White, free-flowing powder. Soluble in water; insoluble in alcohol.
- 6.6 Uses
- Zinc Sulfate Monohydrate is a special compound fertilizer for improving rapeseed yield.
- 6.7 Uses
-
Zinc sulfate monohydrate may be used in the following studies:
- Preparation of rayon, sprays (used in agriculture) and dyes.
- As a precipitation reagent during the preparation of sample solution for ultra high pressure liquid chromatographic (UHPLC) analysis.
- Preparation of ZnO nanocrystals, via sol-gel incineration technique.
7. Computational chemical data
- Molecular Weight: 179.451g/mol
- Molecular Formula: H2O5SZn
- Compound Is Canonicalized: True
- XLogP3-AA: null
- Exact Mass: 177.891436
- Monoisotopic Mass: 177.891436
- Complexity: 62.2
- Rotatable Bond Count: 0
- Hydrogen Bond Donor Count: 1
- Hydrogen Bond Acceptor Count: 5
- Topological Polar Surface Area: 89.6
- Heavy Atom Count: 7
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count: 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Isotope Atom Count: 0
- Covalently-Bonded Unit Count: 3
- CACTVS Substructure Key Fingerprint: AAADcQAAOABAAAACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
8. Question & Answer
-
Zinc sulfate monohydrate is a white, flowable powder that is highly deliquescent in air. It is soluble in water, slightly soluble in alcohol, and insoluble in ketones. It is primarily used as a raw ma..
-
I'm currently running an electrolysis experiment and I have a few questions regarding crystallization of zinc sulfate monohydrate ZnSOX4?HX2OZnSOX4?HX2O . I have prepared a saturated solution of zinc..
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