Ortho-Xylene

Abbreviation	OX
Main Applications	Phthalic anhydride, synthetic resin
Packaging	Tankships, tank trucks, drums, cans

Identification of Substance

Chemical Formula
Existing Chemical Substance Inventory No.	(3)-3
CAS No.	95-47-6
TSCA Listing	Listed
EINECS No.	202-422-2

Physical Properties

Appearance	Liquid
Color/Odor	Colorless/Pungent odor
Specific Gravity (20°C)	0.880
Boiling Point (°C)	144.4
Melting Point (°C)	-25.2
Flash Point (°C)	32.0 (Setaflash Closed-Cup Apparatus)
Vapor Pressure kPa (℃)	0.88 (25)
Ignition Temperature (°C)	463
Explosive Limit (Vol%)	0.9-6.7
Solubility (25°C) mg/100gH₂O	20 Soluble in alcohol and ethel

Main Applicable Laws and Regulations

Fire Service Act	Hazardous material	Category IV, Class II petroleum
Industrial Safety and Health Act	Organic solvent	Applicable
	Displayed material	Applicable
	Hazardous material	Applicable
Poisonous and Deleterious Substances Control Act	Poisonous and deleterious substance	Applicable
Ship Safety Act	Hazardous material	Applicable
PRTR Law		Class I Designated Chemical Substance

Health Effects

Acute Toxicity	LD₅₀oral rat　5000mg/kg LCL_Oinhalation rat　6125ppm/12hr LCL_Oinhalation mouse　30,000mg/m³
Chronic Toxicity	In a study conducted in 206 workers whose estimated maximum exposure is 100 ppm or more, neurasthenia-like symptoms and autonomic disorder occurred in 18% and vasomotor disturbance in 14%, and the incidence was 2 to 4 times higher in the group of those who worked for 5 years or more than in the group of those who worked for less than 5 years (xylene).
Biodegradability	Biodegradability is good.
Fish Toxicity	TLm95　Shrimp 7.4ppm
Mutagenicity	Not confirmed
Carcinogenicity	Not confirmed
Eye and Skin Irritation	Irritating to the eye and skin. Repeated contact with the skin can cause dermatitis.

Inquiries Concerning
Products

Inquiries Concerning Products

Green Energy & Chemicals Business Sector
High-performance Products Division
SCP Department　
TEL：+81-3-3283-4808 / FAX：+81-3-3214-0930