Molekula
Isopropyl 4-hydroxybenzoate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Isopropyl 4-hydroxybenzoate is a synthetic ester used as a preservative in cosmetics, pharmaceuticals, and food products due to its antimicrobial properties. It is a white to off-white crystalline powder with a molecular formula of HOC6H4COOCH(CH3)2 and a molecular weight of 180.20 g/mol. It has a CAS number of 4191-73-5 and should be stored at 2 to 8 °C. The substance is classified as a warning hazard. Molekula supplies Isopropyl 4-hydroxybenzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 84 - 87 ℃ |
| Purity (HPLC) | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 12986395 |
| CAS Number | 4191-73-5 |
| IUPAC Name | propan-2-yl 4-hydroxybenzoate |
| EC Number | 224-069-3 |
| Molecular Formula | HOC6H4COOCH(CH3)2 |
| Molecular Weight | 180.20 |
| Exact Mass | 180.0786 |
| SMILES | CC(C)OC(=O)C1=CC=C(C=C1)O |
| InChIKey | CMHMMKSPYOOVGI-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H12O3/c1-7(2)13-10(12)8-3-5-9(11)6-4-8/h3-7,11H,1-2H3 |
| PubChem CID | 20161 |
| REACH Code | Y110 |
| Tariff Code | 2918290090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1-Methylethyl-4-hydroxybenzoate
- 4-Hydroxybenzoic Acid Isopropyl Ester
- 4-Hydroxybenzoic acid, 1-methylethyl ester
- Benzoic acid, 4-hydroxy-, 1-methylethyl ester
- i-Pr 4-OH-benzoate
- Isopropyl p-hydroxybenzoate
- Isopropylparaben
- p-Hydroxybenzoic acid isopropyl ester
- p-Oxybenzoesaureisopropylester
- propan-2-yl 4-hydroxybenzoate
Frequently asked questions
What is isopropyl 4-hydroxybenzoate used for?
It is primarily used as a preservative in cosmetics, pharmaceuticals, and food products due to its antimicrobial properties.
What is the chemical formula and molecular weight of isopropyl 4-hydroxybenzoate?
The formula is HOC6H4COOCH(CH3)2 and the molecular weight is 180.20 g/mol.
How should isopropyl 4-hydroxybenzoate be stored?
It should be stored at temperatures between 2 to 8 °C to maintain stability and prevent degradation.
What grade is available for isopropyl 4-hydroxybenzoate?
Available in pharmaceutical and cosmetic grades, suitable for use in regulated applications.
Can Molekula supply isopropyl 4-hydroxybenzoate in bulk?
Yes, Molekula can supply isopropyl 4-hydroxybenzoate in bulk quantities—please contact sales for details.
What documentation comes with an order of isopropyl 4-hydroxybenzoate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.