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| CAS No.: | 1303-96-4 |
|---|---|
| Name: | Sodium tetraborate decahydrate |
| Article Data: | 3 |
| Molecular Structure: | |
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| Formula: | Na2B4O7.10(H2O) |
| Molecular Weight: | 381.42 |
| Synonyms: | Borax(8CI);Borascu;Borax decahydrate;Boric acid (H2B4O7), disodium salt,decahydrate;Boricin;Boron sodium oxide (B4Na2O7), decahydrate;Bura;Disodium tetraborate decahydrate;Gerstley borate;Sodium biborate decahydrate;Sodiumborate (Na2B4O7), decahydrate;Sodium pyroborate;Sodium pyroboratedecahydrate;Solubor;Solubor DF;Sodium tetraborate; |
| EINECS: | 215-540-4 |
| Density: | 1.73 g/mL at 25 °C(lit.) |
| Melting Point: | 75 °C |
| Boiling Point: | 320°C |
| Solubility: | water: 0.1 M at 20 °C, clear, colorless |
| Appearance: | Colourless to grey-white crystals or powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 62 |
| Safety: | 22-24/25-36/37 |
| Transport Information: | UN 1458 |
| PSA: | 184.57000 |
| LogP: | -2.74580 |
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Borax, with the CAS NO.1303-96-4, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric acid. Powdered borax is white, consisting of soft colorless crystals that dissolve easily in water.
Preparetion of Borax: Borax is a product of evaporation from shallow lakes. It can also be produced synthetically from other boron compounds.
Uses of Borax : It is used in antiseptics and medicines, as a flux in smelting, soldering, and welding operations; as a deoxidizer in nonferrous metals; as a neutron absorber for atomic energy shields; in rocket fuels; and as extremely hard, abrasive boron carbide (harder than corundum).
When you are using this chemical, please be cautious about it as the following:
1. Do not breathe dust;
2. Avoid contact with skin and eyes;
3. Wear suitable protective clothing and gloves;
You can still convert the following datas into molecular structure:
(1)InChI=1S/B4O7.2Na/c5-1-9-3(7)11-4(8)10-2-6;;/q-2;2*+1;
(2)InChIKey=RPAYJVFLNVKVRS-UHFFFAOYSA-N;
(3)SmilesO=BO[B](O[B](OB=O)O[Na])O[Na];
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| dog | LDLo | oral | 3gm/kg (3000mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
| guinea pig | LD50 | oral | 5330mg/kg (5330mg/kg) | "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964. | |
| infant | LDLo | oral | 1gm/kg (1000mg/kg) | Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 144, 1966. | |
| man | LDLo | oral | 709mg/kg (709mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD CARDIAC: CHANGE IN RATE GASTROINTESTINAL: NAUSEA OR VOMITING | JAMA, Journal of the American Medical Association. Vol. 76, Pg. 378, 1921. |
| mouse | LD50 | intraperitoneal | 2711mg/kg (2711mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 143, Pg. 144, 1963. |
| mouse | LD50 | intravenous | 1320mg/kg (1320mg/kg) | "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964. | |
| mouse | LD50 | oral | 2gm/kg (2000mg/kg) | "Boron, Metallo-Boron Compounds and Boranes," Adams, R.M., ed., New York, John Wiley & Sons, Inc., 1964Vol. -, Pg. 693, 1964. | |
| rabbit | LDLo | subcutaneous | 150mg/kg (150mg/kg) | "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1289, 1935. | |
| rat | LD50 | oral | 2660mg/kg (2660mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C48, 1991. |
