diammonium,(T-4)-Molybdate
ammonium molybdate
CAS: 13106-76-8
Molecular Formula: H4MoNO4-
diammonium,(T-4)-Molybdate - Names and Identifiers
| Name | ammonium molybdate |
| Synonyms | Ammoniummolybdat AMMONIUM MOLYBDATE ammonium molybdate Immunoglobulins, Ig DIAMMONIUM MOLYBDATE ammoniummonomolybdate Ammonium Paramolybdate ammonium molybdate(VI) Ammonium tetramolybdate diammonium,(T-4)-Molybdate molybdicacid,diammoniumsalt Molybdate, diammonium, (T-4)- ammoniummolybdate((nh4)2moo4) Molybdic Acid, Diammonium Salt diammonium dioxido(dioxo)molybdenum (beta-4)-molybdate(moo42-diammonium dihydroxy(dioxo)molybdenum diammoniate |
| CAS | 13106-76-8 |
| EINECS | 236-031-3 |
| InChI | InChI=1/Mo.2H3N.2H2O.2O/h;2*1H3;2*1H2;;/q+2;;;;;;/p-2/rH2MoO4.2H3N/c2-1(3,4)5;;/h2-3H;2*1H3 |
diammonium,(T-4)-Molybdate - Physico-chemical Properties
| Molecular Formula | H4MoNO4- |
| Molar Mass | 177.99 |
| Density | 2.498 |
| Melting Point | 170(分解)℃ |
| Water Solubility | Soluble in water, acid and alkali, but insoluble in alcohol. |
| Solubility | ethanol: insoluble(lit.) |
| Appearance | White crystalline powder or solid |
| Color | White |
| Exposure Limit | ACGIH: TWA 0.5 mg/m3NIOSH: IDLH 1000 mg/m3 |
| Storage Condition | Inert atmosphere,Room Temperature |
| MDL | MFCD00011596 |
| Physical and Chemical Properties | Characteristics of colorless or light yellow green monoclinic crystal. relative density 2.498 solubility soluble in water, acid and alkali, insoluble in alcohol. |
| Use | For the production of molybdenum wire and other molybdenum compounds, also used in photography, ceramics, pigments, catalysts, etc |
diammonium,(T-4)-Molybdate - 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 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | QA4900000 |
| TSCA | Yes |
| HS Code | 28417010 |
| Toxicity | LD50 orl-rat: 333 mg/kg 28ZLA8 -,214,61 |
diammonium,(T-4)-Molybdate - Upstream Downstream Industry
| Raw Materials | Nitric acid Ammonia |
| Downstream Products | Ammonium dimolybdate Hexaammonium molybdate Molybdenum(VI) oxide Molybdenum atomic absorption standard solution Sodium Molybdate ammonium molybdate |
diammonium,(T-4)-Molybdate - Nature
Open Data Verified Data
colorless or light yellow-green monoclinic crystals. The relative density was 2. 498. Soluble in water, acid and alkali, insoluble in alcohol. One crystal water is lost when heated to 90 °c and decomposes to ammonia, water and molybdenum trioxide at 19 °c. Place air stroke, loss of part of ammonia.
Last Update：2024-01-02 23:10:35
diammonium,(T-4)-Molybdate - Preparation Method
Open Data Verified Data
ammonia method: molybdenum concentrate is oxidized and roasted to produce molybdenum trioxide. After ammonia leaching and purification, it can react with nitric acid, and then be separated, dried and screened to obtain the finished product.
Last Update：2022-01-01 11:04:41
diammonium,(T-4)-Molybdate - Use
Open Data Verified Data
used as a catalyst in the petroleum industry, in the metallurgical industry for the preparation of molybdenum, is the raw material for the manufacture of ceramic glaze, pigments and other molybdenum compounds.
Last Update：2022-01-01 11:04:40
diammonium,(T-4)-Molybdate - Safety
Open Data Verified Data
packed in an iron or wooden drum, lined with two layers of polyethylene plastic bags. 50kg net weight per barrel. Should be stored in a cool, dry warehouse. Prevent heat, moisture and impact. It is not allowed to be stored and mixed with acid articles. Transport to prevent rain, sun exposure, handling to light, to prevent packaging damage. When there is a fire, it can be rescued by water and various kinds of fire retardants. Toxicity and protection see Molybdenum trioxide.
Last Update：2022-01-01 11:04:41
diammonium,(T-4)-Molybdate - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used as flame retardant and fire retardant for pigments, lakes and fabrics, is the main raw material for preparing molybdenum products, and is also an important agricultural fertilizer used in powder metallurgy, High purity molybdenum trioxide and other molybdenum chemicals raw materials. The petrochemical industry is used as a catalyst, and the metallurgical industry is used to make molybdenum powder, molybdenum strips, molybdenum wires, molybdenum blanks, molybdenum tablets, etc., and can also be used as trace element fertilizers It is an important reagent for the determination of phosphorus and the production of acrylonitrile The best material for catalysts Used to produce molybdenum wires and other molybdate compounds, and also used for photography, ceramics, pigments, catalysts, etc. used as analytical reagents, also used in the preparation of pottery glaze |
| category | toxic substances |
| toxicity classification | highly toxic |
| acute toxicity | oral administration-rat LD50: 333 mg/kg; Abdominal cavity-rat LDL0: 203 mg/kg |
| flammability hazard characteristics | high temperature produces toxic molybdate, nitrogen oxides and ammonia smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| occupational standard | TWA 5 mg (molybdenum)/m3 |
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for diammonium,(T-4)-Molybdate
Downstream Products for diammonium,(T-4)-Molybdate
Ammonium dimolybdate
Hexaammonium molybdate
Molybdenum(VI) oxide
Molybdenum atomic absorption standard solution
Sodium Molybdate
ammonium molybdate
Hexaammonium molybdate
Molybdenum(VI) oxide
Molybdenum atomic absorption standard solution
Sodium Molybdate
ammonium molybdate