Propylparaben | CAS No. 94-13-3

Q: What is Propylparaben (CAS: 94-13-3)?

Propylparaben, with the CAS number 94-13-3, is a synthetic ester of p-hydroxybenzoic acid. It functions as a common preservative, known for its antimicrobial properties. The chemical formula is C10H12O3, and it appears as a white to pale yellow solid. It is soluble in ethanol and other organic solvents but not in water. Propylparaben is widely used in pharmaceutical and cosmetic products to prevent microbial growth and extend shelf life.

Q: What are the main uses of Propylparaben (CAS: 94-13-3)?

Propylparaben (CAS: 94-13-3) is primarily used as a preservative in pharmaceuticals, cosmetics, and food products. It inhibits the growth of bacteria, yeast, and mold, making it valuable for preserving topical medications, skincare products, and even some food items. Additionally, it is used in research for its chemical stability and as a model compound in studies related to parabens and their effects on biological systems.

Q: Is Propylparaben (CAS: 94-13-3) safe?

Propylparaben (CAS: 94-13-3) is generally recognized as safe when used in recommended concentrations. It is approved by regulatory agencies for use in cosmetics and pharmaceuticals. However, prolonged exposure or high concentrations may cause skin irritation. Proper handling, such as using gloves and ensuring good ventilation, is advised to minimize risks. Safety standards ensure its use is controlled and monitored.

Q: How should Propylparaben (CAS: 94-13-3) be stored?

Propylparaben (CAS: 94-13-3) should be stored in a cool, dry place away from direct sunlight. It is stable under normal storage conditions but may degrade if exposed to high temperatures or moisture. To maintain its effectiveness, it should be kept in airtight containers. Avoiding exposure to air and light helps preserve its chemical integrity and prolong shelf life.

Propylparaben

Basic Information

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CAS Number

94-13-3

Molecular Formula

C10H12O3

Molecular Weight

180.2 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

95-98 °C

Boiling Point

294.3°C at 760 mmHg

Density

1.0630

Water Solubility

<0.1 g/100 mL at 12 ºC

Flash Point

180°(356°F)

Solubility

ethanol: soluble0.1M, clear, colorless

Refractive Index

1.5050

Vapor Pressure

3.07X10-4 mm Hg at 25 °C (est)

Odor

Odorless or has faint odor

SMILES

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CCCOC(=O)C1=CC=C(C=C1)O

InChI

InChI=1S/C10H12O3/c1-2-7-13-10(12)8-3-5-9(11)6-4-8/h3-6,11H,2,7H2,1H3

InChIKey

QELSKZZBTMNZEB-UHFFFAOYSA-N

LogP

1.9589999999999999

Topological Polar Surface Area

46.53 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

160

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Storage Conditions

2-8℃

Stability

Stable. Incompatible with strong oxidizing agents, strong bases.

Synonyms & References

English

Propyl 4-hydroxybenzoate
4-HYDROXYBENZOIC ACID N-PROPYL ESTER
4-HYDROXYBENZOIC ACID PROPYL ESTER
FEMA 2951
NIPASOL PLAIN
N-PROPYL 4-HYDROXYBENZOATE
N-PROPYL P-HYDROXYBENZOATE
P-HYDROXYBENZOIC ACID PROPYL ESTER
propyl butex
Propyl Chemosept
PROPYLIS PARAHYDROXYBENZOAS
PROPYLPARABEN
PROPYL P-HYDROXYBENZOATE
Propyl p-Jnydroxybenzoate
4-hydroxy-benzoicacipropylester
Aseptoform P
Benzoic acid, 4-hydroxy-, propyl ester
Benzoic acid, p-hydroxy-, propyl ester
Propyl 4-Hydroxybenzoate [for Biochemical Research]
HYDROXYBENZOIC ACID PROPYLESTER, 4-(SH)
Propyl 4-Hydroxybenzoate (Propyl Paraben)
Propyl-p-hydroxybenzoate
betacidep
nipaginp
Nipasol
NipasolM
nipasolp
Nipazol
n-Propyl-4-hydroxy-benzoate
Parabens
Paseptol

MDL Number

MFCD00002354

Customs Code

2918290000

FAQ

What is Propylparaben (CAS: 94-13-3)?

Propylparaben, with the CAS number 94-13-3, is a synthetic ester of p-hydroxybenzoic acid. It functions as a common preservative, known for its antimicrobial properties. The chemical formula is C10H12O3, and it appears as a white to pale yellow solid. It is soluble in ethanol and other organic solvents but not in water. Propylparaben is widely used in pharmaceutical and cosmetic products to prevent microbial growth and extend shelf life.

What are the main uses of Propylparaben (CAS: 94-13-3)?

Propylparaben (CAS: 94-13-3) is primarily used as a preservative in pharmaceuticals, cosmetics, and food products. It inhibits the growth of bacteria, yeast, and mold, making it valuable for preserving topical medications, skincare products, and even some food items. Additionally, it is used in research for its chemical stability and as a model compound in studies related to parabens and their effects on biological systems.

Is Propylparaben (CAS: 94-13-3) safe?

Propylparaben (CAS: 94-13-3) is generally recognized as safe when used in recommended concentrations. It is approved by regulatory agencies for use in cosmetics and pharmaceuticals. However, prolonged exposure or high concentrations may cause skin irritation. Proper handling, such as using gloves and ensuring good ventilation, is advised to minimize risks. Safety standards ensure its use is controlled and monitored.

How should Propylparaben (CAS: 94-13-3) be stored?

Propylparaben (CAS: 94-13-3) should be stored in a cool, dry place away from direct sunlight. It is stable under normal storage conditions but may degrade if exposed to high temperatures or moisture. To maintain its effectiveness, it should be kept in airtight containers. Avoiding exposure to air and light helps preserve its chemical integrity and prolong shelf life.