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Molekula

Molekula

2-Chlorobenzalmalononitrile

SKU 89996580 CAS 2698-41-1 C6H4(Cl)CHC(CN)2 MW 188.61 Made to order Bulk quantities on request

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.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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 — $3,482.70 per pack

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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

Danger
  • GHS pictogram — Toxic Toxic GHS06
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08
  • GHS pictogram — Hazardous to the Environment 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.

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