Molekula
Chlorohydroquinone
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
Chlorohydroquinone is a chlorinated derivative of hydroquinone used in organic synthesis and as an intermediate in pharmaceutical and agrochemical production. It also serves as a photographic developer, a component in dyestuff production, and a bactericide in disinfectant and biocide formulations. It appears as a crystalline solid with a molecular formula of C6H5ClO2 and a molecular weight of 144.56 g/mol. It is stable at ambient temperatures and should be handled with care due to its hazard classification. Molekula supplies Chlorohydroquinone 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 — $58.70 per pack
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100 g — $177.30 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 | Grey crystalline powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 5.0% |
| Assay | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White to light-tan fine crystals |
| Melting Point | 100 °C |
| Boiling Point | 263 °C |
| log P (octanol/water) | 1.40 |
Source: PubChem CID 301 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 63703460 |
| CAS Number | 615-67-8 |
| IUPAC Name | 2-chlorobenzene-1,4-diol |
| EC Number | 210-442-8 |
| Molecular Formula | C6H5ClO2 |
| Molecular Weight | 144.56 |
| Exact Mass | 143.9978 |
| SMILES | C1=CC(=C(C=C1O)Cl)O |
| InChIKey | AJPXTSMULZANCB-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H5ClO2/c7-5-3-4(8)1-2-6(5)9/h1-3,8-9H |
| PubChem CID | 301 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29081960 |
| Tariff Code | 2908190090 |
Safety & GHS
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Toxic
GHS06
Hazard statements
- H311 Toxic in contact with skin
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, 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
- 1,4-Benzenediol, 2-chloro-
- 1,4-Dihydroxy-2-chlorobenzene
- 2-Chloro-1,4-benzenediol
- 2-Chloro-1,4-dihydroxybenzene
- 2-chlorobenzene-1,4-diol
- 2-Chlorohydroquinone
- 2,5-Dihydroxychlorobenzene
- Chloroquinol
- Hydroquinone, chloro-
- Monochlorohydroquinone
Frequently asked questions
What is Chlorohydroquinone used for?
Chlorohydroquinone is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of Chlorohydroquinone?
The formula is C6H5ClO2 with a molecular weight of 144.56 g/mol.
How should Chlorohydroquinone be stored?
It should be stored at ambient temperature, away from light and moisture.
What grade of Chlorohydroquinone does Molekula supply?
Molekula supplies Chlorohydroquinone in technical grade.
Can Molekula supply Chlorohydroquinone in bulk?
Yes, Molekula can supply Chlorohydroquinone in bulk quantities upon request.
What documentation comes with a Chlorohydroquinone order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.