Hexamethylphosphorous triamide
Hexamethylphosphorous triamide
CAS: 1608-26-0
Molecular Formula: C6H18N3P
Hexamethylphosphorous triamide - Names and Identifiers
| Name | Hexamethylphosphorous triamide |
| Synonyms | HMPT Tri(dimethylamino)phosphine HEXAMETHYLTRIAMINOPHOSPHINE Trisdimethylaminophosphorus Tris(dimethylamino)phosphine HEXAMETHYL PHOSPHORUS TRIAMIDE Hexamethylphosphorous triamide HEXAMETHYLPHOSPHOROUS TRIAMIDE Hexamethylphosphorous triamide ,98％ 2,2,6,6-tetramethylpiperidine-1,4-diol N,N,N',N',N'',N''-hexamethylphosphorous triamide |
| CAS | 1608-26-0 |
| EINECS | 216-534-4 |
| InChI | InChI=1/C6H18N3P/c1-7(2)10(8(3)4)9(5)6/h1-6H3 |
| InChIKey | XVDBWWRIXBMVJV-UHFFFAOYSA-N |
Hexamethylphosphorous triamide - Physico-chemical Properties
| Molecular Formula | C6H18N3P |
| Molar Mass | 163.2 |
| Density | 0.898 g/mL at 25 °C (lit.) |
| Melting Point | -44 °C |
| Boling Point | 48-50 °C/12 mmHg (lit.) |
| Flash Point | 73°F |
| Water Solubility | REACTS |
| Vapor Presure | 2.4mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 0.8980 |
| Color | Clear colorless to slightly yellow |
| BRN | 906778 |
| pKa | 8.03±0.70(Predicted) |
| Storage Condition | Inert atmosphere,2-8°C |
| Stability | Stable. Highly flammable - note low flash point. Incompatible with oxidizing agents. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.463(lit.) |
| Physical and Chemical Properties | Density 0.898 melting point -44°C boiling point 150°C refractive index 1.465-1.467 flash point 26°C water-soluble reactions |
Hexamethylphosphorous triamide - Risk and Safety
| Risk Codes | R45 - May cause cancer R46 - May cause heritable genetic damage R10 - Flammable R40 - Limited evidence of a carcinogenic effect R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| UN IDs | UN 1993 3/PG 3 |
| WGK Germany | 3 |
| RTECS | TH3390000 |
| FLUKA BRAND F CODES | 10 |
| TSCA | Yes |
| HS Code | 29299000 |
| Hazard Note | Irritant |
| Hazard Class | 3 |
| Packing Group | III |
Hexamethylphosphorous triamide - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | Tri (dimethylamino) phosphine is a compound widely used in industry, applications such as flame retardants for building materials and phosphates in synthetic chemistry. It is a classified carcinogen. intermediates in organic synthesis. |
| production method | dissolve 137.3g(1.0mol) of phosphorus trichloride in 1.5L of anhydrous diethyl ether, stir, and cool to 1-5 °c, add excess anhydrous dimethylamine gas, control the aeration rate, so that the reaction temperature does not exceed 15 ℃, aeration, in nitrogen atmosphere at room temperature overnight, filter out dimethylamine hydrochloride, filtrate decompression evaporation recovery ether, 152-154g of hexamethylphosphoryltriamide were obtained in the form of an oil in a yield of 94-95%. |
Last Update：2024-04-09 02:00:04
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