A5408112
Methyl 4-hydroxybenzoate , Analysis standard product, 99.5% , 99-76-3
Synonym(s):
Methyl paraben;Methyl 4-hydroxybenzoate;NIPAGIN;p-Hydroxybenzoic acid methyl ester;Methylis parahydroxybenzoas
CAS NO.：99-76-3
Empirical Formula: C8H8O3
Molecular Weight: 152.15
MDL number: MFCD00002352
EINECS: 202-785-7
| Pack Size | Price | Stock | Quantity |
| 1G | RMB86.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 125-128 °C (lit.) |
| Boiling point: | 298.6 °C |
| Density | 1,46g/cm |
| vapor pressure | 0.000005 hPa (20 °C) |
| refractive index | 1.4447 (estimate) |
| FEMA | 2710 | METHYL P-HYDROXYBENZOATE |
| Flash point: | 280°C |
| storage temp. | room temp |
| solubility | ethanol: soluble0.1M, clear, colorless |
| form | Crystalline Powder |
| pka | pKa 8.15(H2O,t =20.0) (Uncertain) |
| color | White to almost white |
| PH | 5.8 (H2O, 20°C) (saturated solution) |
| Odor | odorless or faint char. odor, sl. burning taste |
| Water Solubility | Slightly soluble in water. |
| FreezingPoint | 131℃ |
| Merck | 14,6107 |
| BRN | 509801 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong bases. |
| InChIKey | LXCFILQKKLGQFO-UHFFFAOYSA-N |
| LogP | 1.98 at 20℃ |
Description and Uses
Methyl 4-hydroxybenzoate is used as an anti-fungal agent. It is also used as a preservative in foods, beverages and cosmetics. It acts as an inhibitor of growth of molds and to lesser extent bacteria and as a vehicle for ophthalmic solution.
Safety
| Symbol(GHS) |  GHS09 |
| Signal word | Warning |
| Hazard statements | H411 |
| Precautionary statements | P273-P391-P501 |
| Hazard Codes | Xi,Xn |
| Risk Statements | 36/37/38-20/21/22-36 |
| Safety Statements | 26-36-24/25-39 |
| RIDADR | UN 2769 |
| WGK Germany | 1 |
| RTECS | DH2450000 |
| Autoignition Temperature | >600 °C |
| TSCA | Yes |
| HS Code | 29182930 |
| Toxicity | LD50 orally in Rabbit: 2100 mg/kg |
