Molekula
2-Chloro-3,4-dihydroxyacetophenone
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
2-Chloro-3,4-dihydroxyacetophenone is an organic compound primarily used as a synthetic intermediate in chemical synthesis, notably in the preparation of adrenalone, epinephrine and related catecholamines. It is also used in research applications. This chemical has a CAS number of 99-40-1, with the molecular formula (HO)2C6H3COCH2Cl and a molecular weight of 186.59. It should be stored at ambient conditions, and it carries a signal word of Warning. Molekula supplies 2-Chloro-3,4-dihydroxyacetophenone 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.
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Specifications
| Property | Value |
|---|---|
| Appearance | Almost white to brown crystalline powder |
| Melting Point | 173 - 175 Deg C |
| Loss on Drying | <1.5% |
| Assay | 98 - 100% |
| Residue on Ignition | <0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 20748930 |
| CAS Number | 99-40-1 |
| IUPAC Name | 2-chloro-1-(3,4-dihydroxyphenyl)ethanone |
| EC Number | 202-754-8 |
| Molecular Formula | (HO)2C6H3COCH2Cl |
| Molecular Weight | 186.59 |
| Exact Mass | 186.0084 |
| SMILES | C1=CC(=C(C=C1C(=O)CCl)O)O |
| InChIKey | LWTJEJCZJFZKEL-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H7ClO3/c9-4-8(12)5-1-2-6(10)7(11)3-5/h1-3,10-11H,4H2 |
| PubChem CID | 66834 |
| REACH Code | Y110 |
| HTS Code | 2914.79.4000 |
| Tariff Code | 2914790048 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe 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
- 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, 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
- .alpha.-Chloro-3,4-dihydroxyacetophenone
- 2-Chloro-1-(3,4-dihydroxyphenyl)ethanone
- 3,4-Dihydroxyphenacyl chloride
- 4-(Chloroacetyl)catechol
- acetophenone, alpha-chloro-3,4-dihydroxy-
- chloromethyl 3,4-dihydroxyphenyl ketone
- Ethanone, 2-chloro-1-(3,4-dihydroxyphenyl)-
- LWTJEJCZJFZKEL-UHFFFAOYSA-N
Frequently asked questions
What is 2-Chloro-3,4-dihydroxyacetophenone (CAS 99-40-1) commonly used for?
This compound is primarily used as a synthon in organic synthesis, including the preparation of pharmaceutical intermediates, agrochemicals, and fragrance compounds. It is also a key reagent in fluorescent labeling and chromogenic detection applications.
What is the molecular formula and molecular weight of this product?
The molecular formula is C₈H₇ClO₃, and the molecular weight is 186.59 g/mol.
How should 2-Chloro-3,4-dihydroxyacetophenone be stored?
Store in a cool, dry place at ambient temperature, protected from light and moisture. Ensure containers are tightly sealed.
What purity grades are available for this compound?
Molekula supplies this product in technical grade (95%+ purity) and analytical grade (98%+ purity). Custom specifications may be available upon request.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options (e.g., 1 kg, 5 kg, 25 kg drums) for industrial and research-scale applications. Minimum order quantities may apply.
What documentation is provided with an order of this product?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and batch-specific documentation for traceability. Additional certifications (e.g., REACH, FDA compliance) are available upon request.
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