alpha-Terpinene(CAS#99-86-5)

Molecular Formula	C10H16
Molar Mass	136.23
Density	0.837g/mLat 25°C(lit.)
Melting Point	-59.03°C (estimate)
Boling Point	173-175°C(lit.)
Specific Rotation(α)	n20/D 1.478 (lit.)
Flash Point	115°F
JECFA Number	1339
Water Solubility	Soluble in ether, alcohol, and ethanol (100 mg/ml). Insoluble in water.
Solubility	It is miscible with ethanol and ether, and is almost insoluble in water.
Vapor Presure	2.22hPa at 25℃
Appearance	Colorless oily liquid
Specific Gravity	0.84
Color	Clear colorless to light yellow
Merck	14,9170
BRN	1853379
Storage Condition	2-8°C
Refractive Index	n20/D 1.478(lit.)
MDL	MFCD00001534
Physical and Chemical Properties	Colorless liquid with citrus and lemon-like aromas. Boiling point 173 ℃, soluble in ethanol and most non-volatile oils, insoluble in water. Natural products exist in cardamom oil, sweet oregano oil, coriander seed oil, etc.

Product Detail

Risk Codes	R10 – Flammable R22 – Harmful if swallowed R36/37/38 – Irritating to eyes, respiratory system and skin. R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 – Wear suitable protective clothing and gloves. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S62 – If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S36 – Wear suitable protective clothing.
UN IDs	UN 2319 3/PG 3
WGK Germany	2
RTECS	OS8060000
FLUKA BRAND F CODES	10-23
TSCA	Yes
HS Code	29021990
Hazard Class	3.2
Packing Group	III
Toxicity	The acute oral LD50 value in rats was reported as 1.68 g/kg (1*46-1 -90 g/kg) (Moreno, 1973). Because of its action as a liver poison and methaemoglobin former, α-terpinene should be used very sparingly, or not at all, in foods (B?r & Griepentrog, 1967).