A6640512
1,2-Propanediol , Analysis standard , 57-55-6
Synonym(s):
Propylene glycol;1,2-Propanediol;1,2-Propylene glycol;1,2-PDO;Propylene Glycol, 1
CAS NO.：57-55-6
Empirical Formula: C3H8O2
Molecular Weight: 76.09
MDL number: MFCD00064272
EINECS: 200-338-0
| Pack Size | Price | Stock | Quantity |
| 1ML | RMB95.20 | In Stock |
|
| 5ML | RMB319.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -60 °C (lit.) |
| Boiling point: | 187 °C (lit.) |
| Density | 1.036 g/mL at 25 °C (lit.) |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mm Hg ( 20 °C) |
| refractive index | n |
| FEMA | 2940 | PROPYLENE GLYCOL |
| Flash point: | 225 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| pka | 14.49±0.20(Predicted) |
| form | Viscous Liquid |
| color | APHA: ≤10 |
| Specific Gravity | 1.038 (20/20℃)1.036～1.040 |
| PH | 6-8 (100g/l, H2O, 20℃) |
| Odor | at 100.00 %. odorless very slight alcoholic |
| Odor Type | odorless |
| explosive limit | 2.4-17.4%(V) |
| Water Solubility | miscible |
| Sensitive | Hygroscopic |
| Merck | 14,7855 |
| JECFA Number | 925 |
| BRN | 1340498 |
| Dielectric constant | 32.0 |
| InChIKey | DNIAPMSPPWPWGF-UHFFFAOYSA-N |
| LogP | -0.92 |
Description and Uses
Propylene glycol is used as antifreeze in breweries and diaries, in the manufacture of resins, as a solvent, and as an emulsifier in food. It was present as an occupational sensitizer in the color-film developer Flexicolor.
Used as a solvent.
Safety
| Symbol(GHS) |  GHS08 |
| Signal word | Danger |
| Hazard statements | H370-H372 |
| Precautionary statements | P501-P260-P270-P264-P308+P311-P405 |
| Safety Statements | 24/25 |
| WGK Germany | 1 |
| RTECS | TY2000000 |
| Autoignition Temperature | 779 °F |
| TSCA | Yes |
| HS Code | 29053200 |
| Toxicity | LD50 orally in Rabbit: 19400 - 36000 mg/kg LD50 dermal Rabbit 20800 mg/kg |
