Product Information
CAS number	95-50-1
EC index number	602-034-00-7
EC number	202-425-9
Hill Formula	C₆H₄Cl₂
Chemical formula	1,2-(Cl)₂C₆H₄
Molar Mass	147 g/mol
HS Code	2903 91 00
Structure formula Image

Applications
Application	1,2-Dichlorobenzene for synthesis. CAS 95-50-1, chemical formula 1,2-(Cl)₂C₆H₄.

Physicochemical Information
Boiling point	180 °C (1013 hPa)
Density	1.31 g/cm3 (20 °C)
Explosion limit	2.2 - 12 %(V)
Flash point	66 °C
Ignition temperature	640 °C
Melting Point	-17 °C
Vapor pressure	1.33 hPa (20 °C)
Solubility	0.13 g/l

Toxicological Information
LD 50 oral	LD50 Rat 500 mg/kg
LD 50 dermal	LD50 Rabbit > 10000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H302: Harmful if swallowed. H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. H335: May cause respiratory irritation. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P273: Avoid release to the environment. P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 2 water endangering
Disposal	3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Safety Information
Hazard Symbols	Harmful Dangerous for the environment
Categories of danger	harmful, irritant, dangerous for the environment
R Phrase	R 22-36/37/38-43-50/53 Harmful if swallowed.Irritating to eyes, respiratory system and skin.May cause sensitisation by skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase	S 23-24-37-60-61 Do not breathe vapour.Avoid contact with skin.Wear suitable gloves.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1591 , 6.1, III
Declaration (transport by air) IATA-DGR	UN 1591 , 6.1, III
Declaration (transport by sea) IMDG-Code	UN 1591 , 6.1, III, Segregation Group: 10 (Liquid halogenated hydrocarbons)

Specifications
Assay (GC, area%)	≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C)	1.305 - 1.307
Identity (IR)	passes test

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MERCK 803238.2500 - 1,2- Dichlorobenzene 2,5lt.

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