Molybdate (MoO42-), disodium, dihydrate, (T-4)-
Sodium Molybdate Dihydrate
CAS: 10102-40-6
Molecular Formula: H2MoNaO5-
Molybdate (MoO42-), disodium, dihydrate, (T-4)- - Names and Identifiers
| Name | Sodium Molybdate Dihydrate |
| Synonyms | CCRIS 3682 UNII-8F2SXI1704 Sodium Molybdate Dihydrate Sodium molybdate dihydrate Disodium molybdate dihydrate MOLYBDIC ACID SODIUM DIHYDRATE Sodium molybdate(VI) dihydrate disodium dioxido(dioxo)molybdenum SODIUM MOLYBDATE-2-HYDRATE TECHNICAL SODIUM MOLYBDATE DIHYDRATE ACS REAGENT Molybdic acid, disodium salt, dihydrate SODIUM MOLYBDATE-2-HYDRATE EXTRA PURE, D AB Molybdate (MoO42-), disodium, dihydrate, (T-4)- SODIUM MOLYBDATE-2-HYDRATE R. G., REAG. PH. EUR. MOLYBDIC ACID SODIUM DIHYDRATE PLANT*CEL L CUTURE TE |
| CAS | 10102-40-6 |
| EINECS | 600-158-6 |
| InChI | InChI=1/Mo.2Na.2H2O.4O/h;;;2*1H2;;;;/q;2*+1;;;;;2*-1/rMoO4.2Na.2H2O/c2-1(3,4)5;;;;/h;;;2*1H2/q-2;2*+1; |
Molybdate (MoO42-), disodium, dihydrate, (T-4)- - Physico-chemical Properties
| Molecular Formula | H2MoNaO5- |
| Molar Mass | 200.95 |
| Density | 2.37g/mLat 25°C |
| Melting Point | 100°C (dec.)(lit.) |
| Water Solubility | 56 g/100 mL (O ºC) |
| Solubility | Slightly soluble in water, not melted in acetone. |
| Appearance | White crystal or powder |
| Specific Gravity | 3.28 |
| Color | White |
| Exposure Limit | ACGIH: TWA 0.5 mg/m3NIOSH: IDLH 1000 mg/m3 |
| Merck | 14,8645 |
| PH | 9-10 (840g/l, H2O, 20℃) |
| Storage Condition | Store at +5°C to +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00149170 |
| Physical and Chemical Properties | White rhomboid crystals. The relative density was 3.28. Slightly soluble in water, insoluble in acetone. The water of crystallization was lost by heating to 100 °c and became anhydrous. Toxic! |
| Use | This product is for scientific research only and shall not be used for other purposes. |
Molybdate (MoO42-), disodium, dihydrate, (T-4)- - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| RTECS | QA5085000 |
| TSCA | Yes |
| HS Code | 28417000 |
| Toxicity | LD50 orally in Rabbit: 4233 mg/kg LD50 dermal Rat > 2000 mg/kg |
Molybdate (MoO42-), disodium, dihydrate, (T-4)- - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| solubility in water (g/100ml) | dissolution grams per 100ml of water at different temperatures (℃): 44.1g/0 ℃;64.7g/10 ℃;65.3g/20 ℃;66.9g/30 ℃;68.6g/40 ℃ 71.8g/60 ℃ |
| toxicity | see molybdenum trioxide. |
| uses | reagents for the manufacture of alkaloids and other substances, as well as dyes, molybdenum red pigments, catalysts, molybdenum salts and sun-resistant lake precipitators. It is a raw material for making flame retardants and a metal corrosion inhibitor for pollution-free cooling water systems, as well as a necessary trace component for animals and plants. Determination of alkaloids and glycosides. Determination of total phosphorus and available phosphorus content of phosphate fertilizer superphosphate. Test protein-free blood filtrate and serum protein. Corrosion inhibitor. In haploid breeding, H medium, T medium, modified Nish medium, MS medium and RM medium were prepared. Making pigments. It is used to make precipitators, catalysts and molybdenum salts for alkaloids, inks, fertilizers, molybdenum red pigments and sun-resistant pigments. It can also be used to make flame retardants and metal inhibitors for pollution-free cold water systems. It is also used as zinc plating, polishing agents and chemical reagents. |
| production method | liquid alkali extraction molybdenum concentrate is oxidized and roasted to generate molybdenum trioxide, and then leached with liquid alkali to obtain sodium molybdate solution. the leachate is filtered, evaporated and concentrated, the concentrated liquid is cooled and crystallized, centrifuged, and dried at 70~80 ℃ to obtain sodium molybdate finished product. Its 2Mos2 7O2 → 2MoO3 4SO2 ↑ MoO3 2NaOH H2O → Na2MoO4?2H2O |
Last Update：2024-04-09 02:00:05
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