3-Propanediol,2-methyl-1
2-methyl-1,3-propanediol
CAS: 2163-42-0
Molecular Formula: C4H10O2
3-Propanediol,2-methyl-1 - Names and Identifiers
| Name | 2-methyl-1,3-propanediol |
| Synonyms | HSDB 7267 UNII-N8F53B3R4R 2-methyl-3-propanediol 2-METHYL-PROPAN-1,3-DIOL 2-Methyl-1,3-propanediol 2-methylpropane-1,3-diol 3-Propanediol,2-methyl-1 2-METHYL-1,3-PROPANEDIOL 2-methyl-1,3-propanediol 1,3-Propanediol, 2-methyl- 1,3-DIHYDROXY-2-METHYLPROPANE Methyl propane diol (MP Diol) 2-Methyl-1,3-propanediol (MPO) |
| CAS | 2163-42-0 |
| EINECS | 412-350-5 |
| InChI | InChI=1/C4H10O2/c1-4(2-5)3-6/h4-6H,2-3H2,1H3 |
| InChIKey | QWGRWMMWNDWRQN-UHFFFAOYSA-N |
3-Propanediol,2-methyl-1 - Physico-chemical Properties
| Molecular Formula | C4H10O2 |
| Molar Mass | 90.12 |
| Density | 1.015 g/mL at 25 °C (lit.) |
| Melting Point | -91 °C (lit.) |
| Boling Point | 123-125 °C/20 mmHg (lit.) |
| Flash Point | >230°F |
| Solubility | Chloroform (Soluble), DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.0225mmHg at 25°C |
| Vapor Density | 3.2 (vs air) |
| Appearance | Oil |
| Color | Colourless |
| BRN | 1731422 |
| pKa | 14.51±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | n20/D 1.445(lit.) |
3-Propanediol,2-methyl-1 - Risk and Safety
| 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| WGK Germany | 1 |
3-Propanediol,2-methyl-1 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | methyl propylene glycol, English name is METHYLPROPANEDIOL, alias: 2-methyl -1,3-propylene glycol (MPO);2-methyl pentane -2,4-diol. Methyl propylene glycol is a colorless and transparent liquid with low viscosity. It can be used as a solvent to dissolve other ingredients in cosmetic formulas. Almost no irritation to skin and eyes. |
| Application | Methyl propylene glycol can be used to manufacture unsaturated polyesters, liquid saturated polyesters, thermoplastic polyester resins (modified by PET and PBT), alkyd resins, polyurethane resins, diester plasticizers, lubricants, etc., and also used in cosmetics, medicines, etc. The obtained polymer has the characteristics of low viscosity, low melting point, low temperature resistance and weather resistance. |
| harmfulness | methyl propylene glycol is an organic alcohol used as a solvent in cosmetics. According to research, it can enhance the components that penetrate into the skin. It is mainly used to help other active ingredient products, but not as the active ingredient itself. It is considered a safe ingredient with no side effects or warnings related to use. The cosmetics database assessed its safety level as 99%, and no research showed that it was a toxin or irritant. However, any ingredient that helps skin penetration should be used carefully, because it can increase the possibility of other dangerous chemicals being easily available to the body. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:41:03
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