Molekula
2-Chlorobenzalmalononitrile
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2-Chlorobenzalmalononitrile is a synthetic organic compound used primarily in the production of chemical intermediates and research applications. It is a solid with a molecular weight of 188.61 g/mol, identified by the CAS number 2698-41-1. Its molecular formula is C6H4(Cl)CHC(CN)2. Store at 2 to 8 °C. Hazardous: signal word Danger. Molekula supplies 2-Chlorobenzalmalononitrile 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
In stock — same-day dispatch
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.
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5 kg — £1,833.00 per pack ex VAT · £2,199.60 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | 93°-96°C |
| Water | ≤0.5% |
| Identification | Conforms to reference (HNMR) |
| Assay | ≥98.0% |
| Chlorobenzaldehyde | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystalline solid |
| Odour | Pepper-like odor. |
| Melting Point | 93-96 °C |
| Boiling Point | 310-315 °C |
| Water Solubility | Sparingly soluble in water |
| Solubility (other solvents) | Soluble in acetone, dioxane, methylene chloride, ethyl acetate, benzene; sparingly soluble in water |
| Vapour Pressure | 0.0045 Pa at ? °C |
Source: PubChem CID 17604 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 89996580 |
| CAS Number | 2698-41-1 |
| IUPAC Name | 2-[(2-chlorophenyl)methylidene]propanedinitrile |
| EC Number | 220-278-9 |
| Molecular Formula | C6H4(Cl)CHC(CN)2 |
| Molecular Weight | 188.61 |
| Exact Mass | 188.0141 |
| SMILES | C1=CC=C(C(=C1)C=C(C#N)C#N)Cl |
| InChIKey | JJNZXLAFIPKXIG-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H5ClN2/c11-10-4-2-1-3-9(10)5-8(6-12)7-13/h1-5H |
| PubChem CID | 17604 |
| UN Number | UN3448 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29299020 |
| Tariff Code | 2929909090 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H330 Fatal if inhaled
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H400 Very toxic to aquatic life
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe 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
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (o-Chlorobenzal)malononitrile
- 2-Chlorobenzylidenemalononitrile
- beta,beta-Dicyano-o-chlorostyrene
- chlorobenzylidenemalononitrile
- CS (lacrimator)
- Malononitrile, (o-chlorobenzylidene)-
- o-Chlorobenzylidenemalonic nitrile
- o-Chlorobenzylidenemalononitrile
- ortho-Chlorobenzylidene malononitrile
- USAF KF-11
Frequently asked questions
What is 2-Chlorobenzalmalononitrile used for?
2-Chlorobenzalmalononitrile is CS, the lacrimator used as a riot-control agent (tear gas). In the laboratory it is used as an analytical reference standard and in toxicological research.
What is the chemical formula and molecular weight of 2-Chlorobenzalmalononitrile?
The formula is C6H4(Cl)CHC(CN)2 with a molecular weight of 188.61 g/mol.
How should 2-Chlorobenzalmalononitrile be stored?
It should be stored at 2 to 8 °C in a tightly sealed container, protected from light and moisture.
What grade is available for 2-Chlorobenzalmalononitrile?
It is available in technical grade; custom purity levels may be requested for research or industrial use.
Can Molekula supply 2-Chlorobenzalmalononitrile in bulk?
Yes, Molekula can supply bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 2-Chlorobenzalmalononitrile?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.