zinc dioxido(dioxo)molybdenum
Zinc molybdate
CAS: 13767-32-3
Molecular Formula: MoO4Zn
zinc dioxido(dioxo)molybdenum - Names and Identifiers
| Name | Zinc molybdate |
| Synonyms | ZincMolybdate ZINC MOLYBDATE Zinc molybdate Einecs 237-377-8 MolybdenumZincOxide Molybdenumzincoxide Zinc molybdenum oxide ZINC MOLYBDENUM OXIDE Molybdic acid zinc salt molybdenum zinc tetraoxide molybdenumzincoxide(mozno4) zinc dioxido(dioxo)molybdenum zinc, molybdenum, oxygen(-2) anion |
| CAS | 13767-32-3 |
| EINECS | 237-377-8 |
| InChI | InChI=1/Mo.4O.Zn/q;;;2*-1;+2/rMoO4.Zn/c2-1(3,4)5;/q-2;+2 |
zinc dioxido(dioxo)molybdenum - Physico-chemical Properties
| Molecular Formula | MoO4Zn |
| Molar Mass | 225.3276 |
| Density | 4,3 g/cm3 |
| Melting Point | >700°C |
| Boling Point | 445℃[at 101 325 Pa] |
| Water Solubility | Slightly soluble in water. |
| Appearance | Powder |
| Color | off-white |
| Exposure Limit | ACGIH: TWA 10 mg/m3; TWA 3 mg/m3NIOSH: IDLH 5000 mg/m3 |
| Storage Condition | Room Temprature |
| MDL | MFCD00049622 |
| Physical and Chemical Properties | white powder. Although the pure product can also be used as anti-rust pigment, but the price is too high, it is difficult to promote the use. Commercial pigments on the market are mainly zinc molybdate or basic zinc molybdate (ZnO · ZnMoO4), and some calcium carbonate or precipitated barium sulfate, talc powder and silica are added to make a composite anti-rust pigment, called White molybdate pigment, the main component in addition to zinc molybdate, may also contain calcium molybdate or strontium molybdate, generally contain 75% of the filler. Small toxicity, the use of safety, made of the primer can be white, the white paint hiding power can be reduced, thereby saving the amount of white paint used in the manufacture of white paint. In addition, it also has some hiding power, can replace the part of the hiding power of the pigment. The price is moderate, which can replace the toxic anti-rust pigment containing lead and chromium, and has little effect on the cost of paint making. Sometimes, also with the phosphate anti-rust pigment with the role, such as molybdate ion with phosphate ion ratio of 7:3 with, can get better anti-rust effect. |
| Use | White non-toxic anti-rust pigment. It is widely used in primer, topcoat and floor-bonding paints, including waterborne paints. |
zinc dioxido(dioxo)molybdenum - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
zinc dioxido(dioxo)molybdenum - Nature
Open Data Verified Data
white powder. Can release molybdate ions in the steel surface to form a complex insoluble matter, has anti-corrosion effect.
Last Update：2024-01-02 23:10:35
zinc dioxido(dioxo)molybdenum - Preparation Method
Open Data Verified Data
synthesis method: zinc oxide and sodium molybdate or molybdic acid compound reaction, while adding a certain amount of pigment, after washing, filtration, drying, grinding, that is, zinc molybdate product.
Last Update：2022-01-01 11:04:44
zinc dioxido(dioxo)molybdenum - Introduction
White powder can release the compound insoluble matter formed by molybdate ions on the surface of steel and has anti-corrosion effect.
Last Update：2022-10-16 17:13:42
zinc dioxido(dioxo)molybdenum - Use
Open Data Verified Data
It is mainly used as a non-toxic anti-rust pigment.
Last Update：2022-01-01 11:04:43
zinc dioxido(dioxo)molybdenum - Safety
Open Data Verified Data
packed in plywood barrels, paper barrels or paper bags, lined with kraft paper, moisture-proof paper or polyethylene plastic bags. 25kg or 50kg net weight per bucket or bag. Store in a dry and ventilated place, package seal, pay attention to moisture. Do not store and mix with acid, alkali, oil and combustible goods. During transportation, it should be protected from rain and sunlight. When loading and unloading should be light to prevent packaging damage. In case of fire, it can be suppressed by water, sand and all kinds of fire extinguishing.
Last Update：2022-01-01 11:04:45
zinc dioxido(dioxo)molybdenum - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | white powder. Although pure products can also be used as antirust pigments, the price is too high to be popularized. The commercial pigments on the market are mainly zinc molybdate or basic zinc molybdate (ZnO · ZnMoO4), and some calcium carbonate or precipitated barium sulfate, talcum powder, and silica are added to make a composite anti-rust pigment, called white molybdate In addition to zinc molybdate, the main component may also contain calcium molybdate or strontium molybdate, which generally contain 75% fillers. The toxicity is small and the use is safe. The primer can be white, so that the hiding power of the white topcoat can be reduced, thereby saving the amount of titanium dioxide used in the manufacture of white paint. In addition, it also has some hiding power, which can replace some pigments with strong hiding power. The price is moderate and can replace toxic antirust pigments containing lead and chromium without affecting the cost of paint making. Sometimes, it also cooperates with phosphate antirust pigment, such as the ratio of molybdate ion to phosphate ion is 7:3, which can get better antirust effect. |
| use | white nontoxic antirust pigment. Widely used in primer, topcoat and ground bonding paint, including water-based paint. Zinc molybdate is an important molybdate. Because of its superior optical properties and special crystal structure, it is widely used in coatings, buildings, roads and bridges, vehicles and ships, aerospace, chemical industry, medicine, electronic luminescent materials and other fields. the antirust pigment with zinc molybdate or basic zinc molybdate as the main component is a white non-toxic pigment, which is called a new generation of pollution-free antirust pigment. Zinc molybdate has low expansion coefficient, excellent flame retardancy, drilling performance and thermal resistance. |
| production method | synthesis method zinc oxide is combined with sodium molybdate or molybdate, and a certain amount of physical pigment is added at the same time. after washing, filtering, drying and crushing, the finished zinc molybdate is obtained. Its ZnO + Na2MoO4 → ZnMoO4 + NO2O dry reaction method. Reaction equation: ZnO + MoO3 → ZnMoO4 operation method: firstly, talc powder filler with particle size of 0.2~10 μm is pulped in water, the filler amount accounts for 80% of the total pigment, and then molybdenum trioxide is added with a specified amount. The zinc oxide powder is beaten with water at 70 ℃, and the total water consumption is 33% of the total pigment. After zinc oxide pulping, the slurry is added to the talc powder slurry containing molybdenum trioxide. The molar ratio of zinc oxide to molybdenum trioxide is 1:1 to 2:1. After adding, stir for 1h, filter with a filter press, dry the filter cake at 110 ℃, grind it, and then send it to a calciner to calcine at 550 ℃ for 8h. The calcined materials are crushed and packaged after cooling. The fillers used can be changed according to the variety. If calcium carbonate is used instead, the production method is similar. |
Last Update：2024-04-10 22:29:15
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View History
zinc dioxido(dioxo)molybdenum
阿莫罗芬 EP 杂质 B
马杜拉猪屎豆碱
Rhynchophylline 76-66-4
Atorvastatin Sodium 134523-01-6
Aminoethylamino Propyltrimethoxy Silane
Aminacrine hydrochloride
端聚醚聚二甲基硅氧烷
(S)-(+)-5,5-二甲基-4-苯基-2-恶唑烷酮
4-METHYLVALERYL CHLORIDE
阿莫罗芬 EP 杂质 B
马杜拉猪屎豆碱
Rhynchophylline 76-66-4
Atorvastatin Sodium 134523-01-6
Aminoethylamino Propyltrimethoxy Silane
Aminacrine hydrochloride
端聚醚聚二甲基硅氧烷
(S)-(+)-5,5-二甲基-4-苯基-2-恶唑烷酮
4-METHYLVALERYL CHLORIDE