Molekula
7-Hydroxycoumarin (Umbelliferone)
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
7-Hydroxycoumarin, also called umbelliferone, is a naturally occurring benzopyrone compound widely used as a fluorescent dye, UV absorber, and intermediate in organic synthesis, particularly in pharmaceuticals and agrochemicals. It appears as a white to pale yellow crystalline powder with a faint odor. This chemical has CAS number 93-35-6, a molecular formula of C9H6O3, and a molecular weight of 162.14 g/mol. It is stable under ambient storage conditions but requires careful handling as indicated by its warning signal word. Molekula supplies 7-Hydroxycoumarin 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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100 g — £85.50 per pack ex VAT · £102.60 inc. VAT
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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 | Pale grey to pale beige powder |
| Melting Point | 187.0 - 191.0℃ |
| Storage Temperature | +20℃ |
| Purity | ≥98.0% (HPLC) |
| Residue on Ignition | ≤0.5% |
| Moisture | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 230 - 232 °C |
Source: PubChem CID 5281426 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 12457908 |
| CAS Number | 93-35-6 |
| IUPAC Name | 7-hydroxychromen-2-one |
| EC Number | 202-240-3 |
| Molecular Formula | C9H6O3 |
| Molecular Weight | 162.14 |
| Exact Mass | 162.0317 |
| SMILES | C1=CC(=CC2=C1C=CC(=O)O2)O |
| InChIKey | ORHBXUUXSCNDEV-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H |
| PubChem CID | 5281426 |
| REACH Code | Y113 |
| HTS Code | 2932204500 |
| Tariff Code | 2932209090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- 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
- 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
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
- 2H-1-Benzopyran-2-one, 7-hydroxy-
- 7-Hydroxy-2H-chromen-2-one
- 7-hydroxychromen-2-one
- 7-hydroxycoumarin
- Hydrangin
- Hydrangine
- Skimmetin
- Skimmetine
- Umbelliferon
- Umbelliferone
Frequently asked questions
What is 7-Hydroxycoumarin (Umbelliferone) commonly used for?
7-Hydroxycoumarin is primarily used as a fluorescent dye in biological research, UV detection (e.g., TLC plates), and as a precursor in the synthesis of pharmaceuticals and agrochemicals.
What is the molecular formula and molecular weight of 7-Hydroxycoumarin?
The molecular formula is **C₉H₆O₃**, and the molecular weight is **162.14 g/mol**.
How should 7-Hydroxycoumarin be stored?
Store in a tightly sealed container at **ambient temperature**, away from light and moisture to prevent degradation.
What purity grades of 7-Hydroxycoumarin does Molekula supply?
Molekula supplies **analytical grade (≥98% purity)** and **synthetic grade (≥97% purity)** for research and industrial applications.
Can Molekula supply 7-Hydroxycoumarin in bulk quantities?
Yes, we offer **bulk packaging options** (e.g., 1 kg, 5 kg, and larger quantities) upon request, subject to availability and approval.
What documentation is provided with an order of 7-Hydroxycoumarin?
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.