124-68-5
2-Amino-2-methyl-1-propanol
CAS: 124-68-5
Molecular Formula: C4H11NO
124-68-5 - Names and Identifiers
124-68-5 - Physico-chemical Properties
| Molecular Formula | C4H11NO |
| Molar Mass | 89.14 |
| Density | 0.934 g/mL at 25 °C (lit.) |
| Melting Point | 24-28 °C (lit.) |
| Boling Point | 165 °C (lit.) |
| Flash Point | 153°F |
| Water Solubility | miscible |
| Solubility | It is miscible with water and soluble in ethanol. |
| Vapor Presure | <1 mm Hg ( 25 °C) |
| Vapor Density | 3 (vs air) |
| Appearance | Transparent colorless liquid |
| Specific Gravity | 0.934 |
| Color | Colorless |
| Maximum wavelength(λmax) | ['λ: 260 nm Amax: 0.01', , 'λ: 280 nm Amax: 0.01'] |
| Merck | 14,449 |
| BRN | 505979 |
| pKa | 9.7(at 25℃) |
| PH | 11.0-12.0 (25℃, 0.1M in H2O) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. May present an explosion hazard if heated. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | n20/D 1.4455(lit.) |
| MDL | MFCD00008051 |
| Physical and Chemical Properties | White crystalline blocks or colorless liquids. Melting point 30-31 ℃, boiling point 165 ℃,67.4(0.133kPa), relative density 0.934(20/20 ℃), refractive index 1.449(20 ℃). Miscible with water, soluble in alcohol. |
| Use | This product is for scientific research only and shall not be used for other purposes. |
124-68-5 - Risk and Safety
| Risk Codes | R36/38 - Irritating to eyes and skin. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 2735 |
| WGK Germany | 1 |
| RTECS | UA5950000 |
| TSCA | Yes |
| HS Code | 29221990 |
| Hazard Note | Harmful/Flammable |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 2900 mg/kg LD50 dermal Rabbit > 2000 mg/kg |
124-68-5 - Introduction
Derivatives formed with carboxylic acid compounds are used for gas chromatographic analysis. Acid gas absorbent.
Last Update：2022-10-16 17:12:56
124-68-5 - Reference Information
| pH indicator color change ph range | 9.0 - 10.5 |
| LogP | -0.63 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | form derivatives with carboxylic acid compounds for gas chromatography analysis. Synthesis of surfactants. Vulcanization accelerator. Acid gas absorbent. Additives for coatings and latex paints, as well as pigment dispersion, pH adjustment and rust prevention. The metal processing field is mainly used as a biological stability and pH stabilizer. This product is widely used in the concentrated solution and post-treatment of metal processing solutions in Europe and the United States, and is the main raw material for the development of biological stability formulas. It is used to improve and stabilize the pH value, save and extend the life of metalworking fluid in the field supplement. The product also has the advantages of preventing cobalt precipitation and low foaming. Used in the synthesis of surfactants; vulcanization accelerators; acid gas absorbers. |
| Production method | 2-nitropropane is reacted with an aqueous formaldehyde solution, and then concentrated into an aqueous solution containing 70% 2-methyl-2-nitro-1-propanol. Dilute to 30% with methanol. Add to the autoclave, add 5% by weight of nitrobase skeleton nickel, and hydrogenate for 6-8h at 30 ℃ and 267 atmospheric pressure. After evaporating methanol and most of the water under normal pressure, distillation under reduced pressure to collect the 103 ℃(8.53-8.67kPa) fraction, which is 2-amino-2-methyl-1-propanol. Based on 2-nitropropane, the yield is 70.5%. |
| spontaneous combustion temperature | 438°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
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