Molekula
4-Hydroxyacetophenone
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
4-Hydroxyacetophenone is an organic compound with a phenolic structure, widely used as a fragrance agent in perfumery and as an intermediate in the synthesis of pharmaceuticals, dyes, and agrochemicals. It also serves as an intermediate in plastics production, as a cosmetic formulation ingredient, and as a flavoring agent. It appears as a white to off-white crystalline powder with a faint aromatic odor. This chemical has a CAS number of 99-93-4, a molecular formula of HOC6H4COCH3, and a molecular weight of 136.15 g/mol. It is stable under ambient storage conditions and requires a warning label due to its moderate hazard profile. Molekula supplies 4-Hydroxyacetophenone 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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25 g — $56.10 per pack
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100 g — $105.90 per pack
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 |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 166 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.00748 mmHg |
Source: PubChem CID 7469 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 48703044 |
| CAS Number | 99-93-4 |
| IUPAC Name | 1-(4-hydroxyphenyl)ethanone |
| EC Number | 202-802-8 |
| Molecular Formula | HOC6H4COCH3 |
| Molecular Weight | 136.15 |
| Exact Mass | 136.0524 |
| SMILES | CC(=O)C1=CC=C(C=C1)O |
| InChIKey | TXFPEBPIARQUIG-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H8O2/c1-6(9)7-2-4-8(10)5-3-7/h2-5,10H,1H3 |
| PubChem CID | 7469 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29145030 |
| Tariff Code | 2914500090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- 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
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- (4-Hydroxyphenyl)ethan-1-one
- 1-(4-Hydroxyphenyl)ethanone
- 4-Acetylphenol
- Ethanone, 1-(4-hydroxyphenyl)-
- FEMA NO. 4330
- HYDROXYACETOPHENONE, PARA
- Methyl p-hydroxyphenyl ketone
- P-HYDROXYACETOPHENONE
- p-Hydroxyphenyl methyl ketone
- para-Hydroxyacetophenone
Frequently asked questions
What is 4-Hydroxyacetophenone commonly used for?
4-Hydroxyacetophenone is primarily used as a precursor in the synthesis of pharmaceuticals, agrochemicals, and fragrances, as well as in organic synthesis for preparing dyes and intermediates.
What is the chemical formula and molecular weight of 4-Hydroxyacetophenone?
The chemical formula is **HOC₆H₄COCH₃**, and the molecular weight is **136.15 g/mol**.
How should 4-Hydroxyacetophenone be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What grades or purity levels of 4-Hydroxyacetophenone does Molekula supply?
Molekula supplies **technical grade** and **high-purity (98%+)** 4-Hydroxyacetophenone; contact us for specific purity requirements.
Can Molekula supply 4-Hydroxyacetophenone in bulk quantities?
Yes, we offer **bulk quantities** (minimum order quantities vary; please inquire for details).
What documentation is provided with an order of 4-Hydroxyacetophenone?
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.