2-Chlorobenzaldehyde

2-Chlorobenzaldehyde
Names
	Preferred IUPAC name 2-Chlorobenzaldehyde
	Other names o-Chlorobenzaldehyde
Identifiers
CAS Number	89-98-5;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1547989;
ChemSpider	21106014;
ECHA InfoCard	100.001.779
EC Number	201-956-3;
PubChem CID	6996;
RTECS number	CU5075000;
UNII	QHR24X1LXK;
UN number	3265
CompTox Dashboard (EPA)	DTXSID5024764 ;
	InChI InChI=1S/C7H5ClO/c8-7-4-2-1-3-6(7)5-9/h1-5H Key: FPYUJUBAXZAQNL-UHFFFAOYSA-N;
	SMILES c1ccc(c(c1)C=O)Cl;
Properties
Chemical formula	C7H5ClO
Molar mass	140.57 g·mol−1
Density	1.25
Melting point	9–12 °C (48–54 °F; 282–285 K)
Boiling point	209–215 °C (408–419 °F; 482–488 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H290, H302, H314, H317
Precautionary statements	P234, P260, P261, P264, P270, P272, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P330, P333+P313, P363, P390, P404, P405, P501
Flash point	87 °C (189 °F; 360 K)
Autoignition; temperature	385 °C (725 °F; 658 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Chlorobenzaldehyde (o-Chlorobenzaldehyde) is a chlorinated derivative of benzaldehyde that is used in production of CS gas. It reacts with malononitrile to form CS.[1]

References

"Synthesis of ortho-chlorobenzalmalononitrile".

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[1] "Synthesis of ortho-chlorobenzalmalononitrile".