Molekula
Butylparaben
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
Butylparaben is a synthetic preservative widely used in cosmetics, pharmaceuticals, and food products to prevent microbial growth. It is effective against bacteria, yeast, and mold, ensuring product shelf life and safety. This chemical has a CAS number of 94-26-8, a molecular formula of HOC6H4CO2(CH2)3CH3, and a molecular weight of 194.23. It should be stored at ambient temperatures and handled with caution, as it carries a "Danger" signal word. Molekula supplies Butylparaben 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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50 g — £30.00 per pack ex VAT · £36.00 inc. VAT
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100 g — £44.00 per pack ex VAT · £52.80 inc. VAT
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 powder |
| Melting Point | 68.0 - 72.0°C |
| pH | 4.0 - 7.0 |
| Loss on Drying | ≤ 0.5% |
| Residue | ≤ 0.1% |
| Purity (dry basis) | 99.0 - 100.5% |
| Lead (Pb) | ≤ 10ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Small, colorless crystals or powder |
| Odour | Odorless |
| Melting Point | 68.5 °C |
| Boiling Point | 156 to 157 °C at 3.5 mmHg |
| Water Solubility | 207 mg/L at 20 °C |
| Solubility (other solvents) | Slightly soluble in carbon tetrachloride; soluble in ethanol |
| Vapour Pressure | 0.000186 mmHg |
| pKa | pKa = 8.47 |
| log P (octanol/water) | 3.57 |
Source: PubChem CID 7184 (HSDB, Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90033068 |
| CAS Number | 94-26-8 |
| IUPAC Name | butyl 4-hydroxybenzoate |
| EC Number | 202-318-7 |
| Molecular Formula | HOC6H4CO2(CH2)3CH3 |
| Molecular Weight | 194.23 |
| Exact Mass | 194.0943 |
| SMILES | CCCCOC(=O)C1=CC=C(C=C1)O |
| InChIKey | QFOHBWFCKVYLES-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H14O3/c1-2-3-8-14-11(13)9-4-6-10(12)7-5-9/h4-7,12H,2-3,8H2,1H3 |
| PubChem CID | 7184 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29182975 |
| Tariff Code | 2918290060 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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, 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
- Aseptoform butyl
- Butoben
- Butyl 4-hydroxybenzoate
- Butyl butex
- Butyl chemosept
- Butyl p-hydroxybenzoate
- Butyl parasept
- Butyl tegosept
- Nipabutyl
- Tegosept B
Frequently asked questions
What is butylparaben primarily used for?
Butylparaben is commonly used as a preservative in cosmetics, pharmaceuticals, and personal care products to inhibit microbial growth.
What is the chemical formula and molecular weight of butylparaben?
The chemical formula is **HOC₆H₄CO₂(CH₂)₃CH₃**, and the molecular weight is **194.23 g/mol**.
How should butylparaben be stored?
Store butylparaben at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible materials.
What grades of butylparaben does Molekula supply?
Molekula supplies **pharmaceutical-grade and cosmetic-grade butylparaben** depending on your application requirements.
Can Molekula supply butylparaben in bulk quantities?
Yes, Molekula can provide butylparaben in **bulk quantities**, with flexible packaging options to meet your production needs.
What documentation is provided with a butylparaben order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.