Home Categories Organic Chemistry α-Terpinene
A0841012

α-Terpinene , >90.0%(GC) , 99-86-5

Synonym(s):
p-Mentha-1,3-diene;1-Isopropyl-4-methyl-1,3-cyclohexadiene;alpha-Terpinene

CAS NO.:99-86-5

Empirical Formula: C10H16

Molecular Weight: 136.23

MDL number: MFCD00001534

EINECS: 202-795-1

Pack Size Price Stock Quantity
25ML RMB59.20 In Stock
100ML RMB150.40 In Stock
500ML RMB435.20 In Stock
2.5L RMB1740.00 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: -59.03°C (estimate)
Boiling point: 173-175 °C(lit.)
Density  0.837 g/mL at 25 °C(lit.)
vapor pressure  2.22hPa at 25℃
FEMA  3558 | P-MENTHA-1,3-DIENE
refractive index  n20/D 1.478(lit.)
Flash point: 115 °F
storage temp.  2-8°C
solubility  95% ethanol: soluble1ml/2ml, clear, colorless
form  Liquid
color  Clear colorless to light yellow
Specific Gravity 0.84
Odor at 10.00 % in dipropylene glycol. woody terpene lemon herbal medicinal citrus
Odor Type woody
Water Solubility  Soluble in ether, alcohol, and ethanol (100 mg/ml). Insoluble in water.
JECFA Number 1339
Merck  14,9170
BRN  1853379
Dielectric constant 2.7000000000000002
Stability: Light Sensitive
LogP 5.3 at 35℃
EPA Substance Registry System 1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)- (99-86-5)

Description and Uses

α-Terpinene is suitable for use in a study to evaluate the antimycotic properties of Melaleuca alternifolia essential oil (tea tree oil, TTO). 1 It is suitable for use to investigate the in vitro antibacterial activity of the essential oils extracted from the fruits of Coriandrum sativum L. and Foeniculum vulgare Miller var. vulgare (Miller).

Safety

Symbol(GHS) 
GHS02,GHS07,GHS09
Signal word  Warning
Hazard statements  H226-H302-H317-H319-H411
Precautionary statements  P210-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  Xn,N,Xi
Risk Statements  10-22-36/37/38-51/53
Safety Statements  26-36/37-61-62-36
RIDADR  UN 2319 3/PG 3
WGK Germany  2
RTECS  OS8060000
10-23
TSCA  Yes
HazardClass  3.2
PackingGroup  III
HS Code  29021990
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).

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