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398039
Sigma-Aldrich
1,2-Propanediol
ACS reagent, ≥99.5%
| Synonym: | Propylene glycol |
| CAS Number: | 57-55-6 |
| Linear Formula: | CH3CH(OH)CH2OH |
| Molecular Weight: | 76.09 |
| Beilstein Registry Number: | 1340498 |
| EC Number: | 200-338-0 |
| MDL number: | MFCD00064272 |
| PubChem Substance ID: | 24864713 |
Description
| Packaging | 2 L in glass btl |
| 25, 500 mL in glass btl |
Properties
| grade | ACS reagent |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| assay | ≥99.5% |
| autoignition temp. | 779 °F |
| expl. lim. | 12.5 % |
| total impurities | ≤0.0005 meq/g Titr. acid |
| ≤0.2% water | |
| ign. residue | ≤0.005% |
| color | ≤10(APHA) |
| refractive index | n |
| bp | 187 °C(lit.) |
| mp | −60 °C(lit.) |
| density | 1.036 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl-): ≤1 ppm |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
| WGK Germany | 1 |
| RTECS | TY2000000 |
| UEL | 12.50%(V) |
| LEL | 2.60%(V) |
| Flash Point(F) | 217.4 °F |
| Flash Point(C) | 103 °C |
References
| Merck | Merck 13,7947 |
| Beilstein | Beil. 1,IV,2468 |
| reference | Aldrich MSDS 1, 1539:C / Arctander, 2696 / Corp MSDS 1 (2), 2949:A / FT-IR 2 (1), 186:D / FT-IR 1 (1), 128:B / FT-NMR 1 (1), 192:C / IR-Spectra (3), 80:B / IR-Spectra (2), 77:F / NMR-Reference 2 (1), 120:B / RegBook 1 (1), 139:C / RegBook 96 (1), 139:C / Sax 6, 2293 / Sigma FT-IR 1 (2), 862:A / Structure Index 1, 16:D:6 / Vapor Phase 3, 188:D |







