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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
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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

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