Molekula
2-Chlorobenzalmalononitrile
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-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
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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5 kg — £1,833.00 per pack ex VAT · £2,199.60 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.
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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.
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.