Zincpellets
Zinc
CAS: 7440-66-6
Molecular Formula: Zn
Zincpellets - Names and Identifiers
Zincpellets - Physico-chemical Properties
| Molecular Formula | Zn |
| Molar Mass | 65.39 |
| Density | 7.14g/mLat 25°C |
| Melting Point | 420°C(lit.) |
| Boling Point | 907°C(lit.) |
| Flash Point | 1°F |
| Water Solubility | Soluble in water. |
| Solubility | H2O: soluble |
| Vapor Presure | 1 mm Hg ( 487 °C) |
| Appearance | wire |
| Specific Gravity | 7.14 |
| Color | Silvery-gray |
| Exposure Limit | ACGIH: TWA 2 ppm; STEL 4 ppmOSHA: TWA 2 ppm(5 mg/m3)NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3) |
| Merck | 14,10132 |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with amines, cadmium, sulfur, chlorinated solvents, strong acids, strong bases. Air and moisture sensitive. Zinc powder is very flammable. |
| Sensitive | Air & Moisture Sensitive |
| Physical and Chemical Properties | Properties zinc is a blue-white metal (closely packed hexagonal system). melting point 419.58 ℃ boiling point 907 ℃ relative density 7.14 solubility soluble in inorganic acid, alkali, acetic acid, insoluble in water. Zinc is a blue-white metal (tightly packed hexagonal system). Melting point 419.58 °c, boiling point 907 °c. The relative density was 7.14. The particle structure of the zinc powder pigment is granular and flaky, and the flaky zinc powder has great hiding power. There is a relatively high corrosion resistance in the atmosphere, but no corrosion resistance in acid salts and basic salts. Soluble in inorganic acid, alkali, acetic acid, insoluble in water. |
| Use | For the production of anti-rust paint and powder, bleached grease, reduced indigo dyes, etc. is mainly used for anti-corrosion coatings. In addition, it is also used in dye, metallurgy, chemical and pharmaceutical industries. |
Zincpellets - Risk and Safety
| Risk Codes | R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R17 - Spontaneously flammable in air R15 - Contact with water liberates extremely flammable gases R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/37 - Irritating to eyes and respiratory system. R22 - Harmful if swallowed R19 - May form explosive peroxides R40 - Limited evidence of a carcinogenic effect R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S46 - If swallowed, seek medical advice immediately and show this container or label. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S36 - Wear suitable protective clothing. S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. |
| UN IDs | UN 3264 8/PG 3 |
| WGK Germany | 3 |
| RTECS | ZH1400000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 7904 00 00 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | Zinc is an essential nutrient and is not regarded as toxic. However, the metal fumes, its oxide fumes, and chloride fumes can produce adverse inhalation effects. (See Zinc Oxide and Zinc Chloride, Toxicity) Ingestion of soluble salts can cause nausea. |
Zincpellets - Upstream Downstream Industry
| Raw Materials | Zinc Zinc |
| Downstream Products | Sodium hydrosulfite Benzhydrol Chlorotrifluoroethylene chloro(methyl)silane Benzanthrone ZINC PHOSPHIDE |
Zincpellets - Nature
Open Data Verified Data
Zinc is a blue-white metal (tightly packed hexagonal system). The powder was a light gray fine powder. Melting point 419. 58 °c. Boiling point 907 °c. The relative density was 7.14. The vapor pressure was 0. 13kPa( 487 ℃). Soluble in inorganic acid, alkali, acetic acid, insoluble in water.
Last Update：2024-01-02 23:10:35
Zincpellets - Preparation Method
Open Data Verified Data
using metallic zinc as raw material, after distillation and purification, impurities were removed to obtain refined solution, and metal zinc powder was prepared by spray drying.
Last Update：2022-01-01 11:06:30
Zincpellets - Use
Open Data Verified Data
superfine zinc powder is mainly used as the key raw material of zinc-rich coatings and other high-performance coatings such as anti-corrosion and environmental protection, and is widely used in large steel components, ships, containers, aviation, automobile and other industries, ordinary zinc powder is widely used in metallurgy, chemical industry, pharmaceuticals, dyes, batteries, etc.
Industry. As a pigment, the hiding power is extremely strong. Has a good anti-rust and resistance to atmospheric erosion. Commonly used in the manufacture of anti-rust paint, strong reducing agent, battery, etc.
Last Update：2022-01-01 11:06:29
Zincpellets - Safety
Open Data Verified Data
wet flammable articles. Risk code: GB Class 4.3 Port 43014, UN N0.1436; IMDG Code page 4373, Class 4.3. Spontaneous ignition point 460. The explosion limit is above 500g/m3. Dust and air can form an explosive mixture, which is easy to be ignited by open flame and cause explosion. Wet dust is easy to burn Fever in the air. Contact with water, acids or alkali metal hydroxides can emit flammable hydrogen gas. Reaction with oxidizing agents, sulfur can cause ignition or explosion. Mouse abdominal LD50: 15mg/kg. Dust can irritate eyes, skin and respiratory system, inhalation
Can cause Cough, low-grade fever. Skin contact with zinc powder, moisture absorption Fever, can cause burns. Packed with an iron drum lined with a polyethylene plastic bag, the mouth of the bag is tightly tied with a rope, and the lid should be firm and sealed. The net weight of each barrel is 25kg, 40kg and 50kg. If the demander has special requirements, the supply and demand sides shall agree. "Moisture-proof" signs shall be marked on the packaging barrel. The surface of the packaging barrel shall be coated with a color mark that is not easy to fall off, and the color marks are as follows: F2n30 Black, F2n45 yellow, F2n90 Green, F2n125 blue. Should be stored in a cool, ventilated, dry, fire warehouse. Pay attention to moisture. It shall not be stored and mixed with inorganic acids and flammable materials. In the process of transport to moisture, fire, loading and unloading to light, to avoid impact and fall, so as to avoid damage to the package. Smoking, eating and drinking are prohibited at work. Contact, inhalation of zinc powder can be washed with soap water and water or saline. The patient visited hospital. She can drink enough warm water to induce vomiting when taking in. In case of fire, dry sand and dry powder can be used for fire suppression, and water and foam are prohibited for fire suppression.
Last Update：2022-01-01 11:06:30
Zincpellets - Reference Information
| resistivity | 5.8 ***-CM, 20°C |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | see zinc oxide. |
| Application | used in the production of anti-rust paint and mineral powder, bleached grease, reduced indigo dye, etc. mainly used in anti-corrosion coatings. In addition, it is also used in dye, metallurgy, chemical and pharmaceutical industries. It is mainly used in coatings, dyes, metallurgy, chemical and pharmaceutical industries. used as advertising coatings A large number of used in the manufacture of alloys and dry batteries, but also for the protection of the coating used as analytical reagents, reducing agent for hydrogen and alloy preparation and organic synthesis reducing agent used in chemical electroplating widely used in alloy, zinc plating, paint, medicine, chemical industry, electronic and other industries widely used in seawater, fresh water and atmospheric media in the surface anti-corrosion of metal materials used as teaching reagent used as thermal hydrogen generator, Gel propellant, combustion active agent, catalyst, water cleaning adsorbent, sintering active agent, etc. used in the manufacture of zinc alloys, calendered products, zinc plating, etc. used as reference standard in the determination of arsenic-containing substances |
| production method | with metal zinc as raw material, after distillation purification, remove impurities, get refined solution, through spray drying, the finished metal zinc powder was obtained. nebulization. A Zn-4 grade, 99.5% pure metallic zinc ingot was heated to a temperature of 400-600 ° C. For melting in a reflector furnace or converter. After melting, the zinc is transferred into the crucible of the refractory material, and the atomization is carried out under the condition of heating and holding, and the working pressure of the compressed air is 0.3~0.6MPa. The zinc powder dust collector after atomization cooling is collected, and then enters the multi-layer vibrating screen. Through the vibration of the sieve body, the zinc powder sieve is divided into different fineness products and transferred into the packaging barrel by the screen surface of different mesh purposes. Wet ball milling method. The scaly zinc powder slurry can be produced by wet ball milling. The atomized zinc powder, aliphatic hydrocarbon solvent and a small amount of lubricant are placed in a ball mill for grinding to reach the required fineness and filter the discharged slurry when forming Flake zinc powder to form a filter cake with a content of more than 90%, after mixing, the filter cake is a zinc powder slurry for coating, and the metal content of the zinc powder slurry is more than 90%. |
| category | flammable articles in water |
| toxicity grade | high toxicity |
| Acute toxicity | inhalation-human TCL0: 124 mg/m3/50 min |
| stimulation data | skin test-person 0.3 mg/3 days mild |
| explosive hazard characteristics | explosion in case of acid, water, oxidant |
| flammability hazard characteristics | flammable in water; Flammable hydrogen in water, alkali and acid |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature, separate storage of halogen |
| extinguishing agent | dry powder, dry sand |
| Occupational Standard | TWA 0.1 mg/m3 |
| spontaneous combustion temperature | 460°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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