Send Inquiry

Request To Call Back

methylparaben and propylparaben

Name: methylparaben and propylparaben
Brand: KPM Corporation
Price: 65.0 INR
Availability: InStock

Price 65.0 INR/ Kilograms

Get a Price/Quote

MOQ : 1 Kilograms

methylparaben and propylparaben Specification

Structural Formula
Methylparaben: C6H4(OH)COOCH3; Propylparaben: C6H4(OH)COOC3H7

HS Code
29182990

CAS No
99-76-3 (Methylparaben), 94-13-3 (Propylparaben)

Shape
Crystalline

Density
1.46 Gram per cubic centimeter(g/cm3)

Taste
Slightly bitter

Ingredients
Methylparaben, Propylparaben

Molecular Weight
152.15 g/mol (Methylparaben), 180.21 g/mol (Propylparaben)

Storage
Store in tightly closed containers in a cool, dry, and well-ventilated place

Grade
Pharmaceutical Grade, Food Grade

Application
Used as preservatives in pharmaceuticals, cosmetics, and food

Refractive Rate
Not applicable (solid)

Solubility
Slightly soluble in water, freely soluble in alcohol, ether, and acetone

Physical Form
Powder

Melting Point
125-128C (Methylparaben), 96-99C (Propylparaben)

Shelf Life
3 years

Molecular Formula
C8H8O3 (Methylparaben), C10H12O3 (Propylparaben)

Product Type
Pharmaceutical Raw Materials, Preservatives

Poisonous
NO

Usage
Typically used at 0.1-0.2% concentration

Appearance
White crystalline powder

Ph Level
5.5 - 7.5 (1% solution)

Properties
Antimicrobial, stable under ordinary conditions, compatible with a wide range of substances

EINECS No
202-785-7 (Methylparaben), 202-307-7 (Propylparaben)

Purity
99% Min

Smell
Faint, characteristic

Certificate of Analysis
Available on request

Flash Point
Methylparaben: 196C; Propylparaben: 129C

Microbial Limits
Complies with BP/USP standards

Stability
Stable under recommended storage conditions

Heavy Metals
<10 ppm

Boiling Point
270C (Methylparaben); 295C (Propylparaben)

Incompatibility
Strong oxidizing agents

Assay
>=99% (each)

Packaging Details
25 kg/drum or as required

Residual Solvents
Complies with ICH guidelines

Loss on Drying
<0.5%

methylparaben and propylparaben Trade Information

Minimum Order Quantity
1 Kilograms

Delivery Time
1 Week

About methylparaben and propylparaben

Methylparaben and propylparaben are the two most common synthetic preservatives used to extend the shelf life of cosmetics, personal care products, pharmaceuticals, and foods. They are chemical esters of para-hydroxybenzoic acid (PHBA).

Key Characteristics & Differences

Solubility: Methylparaben is highly water-soluble, while propylparaben is more oil-soluble.
Antimicrobial Spectrum: Methylparaben is more effective against bacteria (especially Gram-negative), while propylparaben has stronger antifungal properties against yeasts and molds.
Combined Use: Manufacturers often use them together to achieve "synergy,"

Highly Effective Antimicrobial Preservatives

Methylparaben and Propylparaben possess potent antimicrobial activity, ensuring product safety by inhibiting microbial growth in pharmaceuticals, cosmetics, and food products. Their effectiveness at low dosages maintains the integrity and longevity of formulations, guaranteeing consistent quality and safety for consumers across industries.

Premium Quality Standards and Compliance

Both preservatives exceed 99% purity, with strict compliance to BP/USP microbial limits and ICH guidelines for residual solvents, ensuring pharmaceutical and food-grade quality. Heavy metals are limited to less than 10 ppm, and product integrity is maintained with packaging in secure 25 kg drums or tailored packages as per client needs.

Versatile Applications and Long Shelf Life

These powders are suitable for diverse applications, from extending product shelf life to preventing spoilage in food, drugs, and personal care items. Both methylparaben and propylparaben remain stable for up to three years when stored in tightly closed containers in cool, dry, ventilated environments.

FAQ's of methylparaben and propylparaben:

Q: How are methylparaben and propylparaben typically used as preservatives?

A: Methylparaben and propylparaben are commonly added to products such as cosmetics, pharmaceuticals, and foods at concentrations of 0.1-0.2%. Their main function is to prevent microbial growth, thereby increasing the shelf life and maintaining the integrity of the final formulation.

Q: What are the recommended storage conditions for these preservatives?

A: To maintain stability and quality, both methylparaben and propylparaben should be stored in tightly closed containers, in a cool, dry, and well-ventilated place. This helps preserve their effectiveness and prevents contamination or degradation during storage.

Q: When should a Certificate of Analysis be requested for these products?

A: A Certificate of Analysis can be requested with every order or prior to product delivery to verify compliance with assay, purity, microbial limits, and other critical quality parameters detailed in BP/USP standards.

Q: Where can methylparaben and propylparaben be applied?

A: They are suitable for applications in pharmaceuticals, food, and cosmetics. These substances are compatible with a wide range of ingredients and physical forms, making them versatile preservatives used by manufacturers, suppliers, and traders across multiple industries.

Q: What benefits do methylparaben and propylparaben offer in formulations?

A: Besides offering robust antimicrobial protection, these preservatives are highly stable, non-poisonous, and compatible with many substances. Their use helps manufacturers ensure product safety, compliance, and quality over extended periods.

Q: What precautions should be taken when handling or mixing these preservatives?

A: Avoid contact with strong oxidizing agents, as both methylparaben and propylparaben can be incompatible with such chemicals. General safety precautions such as avoiding inhalation of powder and wearing suitable protective equipment are recommended.

Tell us about your requirement