1,2-Butylene Oxide , >99.0%(GC) , 106-88-7

Synonym(s):
1,2-Epoxybutane;1-Butene oxide;Ethyloxirane;Ethyloxirane, 1,2-Butylene oxide;α-Butylene oxide

CAS NO.：106-88-7

Empirical Formula: C4H8O

Molecular Weight: 72.11

MDL number: MFCD00005153

EINECS: 203-438-2

Update time: 2022-07-08

PRODUCT Properties

Melting point:	-129.28°C
Boiling point:	63 °C(lit.)
Density	0.829 g/mL at 20 °C(lit.)
vapor density	2.2 (vs air)
vapor pressure	140 mm Hg ( 20 °C)
refractive index	n20/D 1.384
Flash point:	10 °F
storage temp.	Store below +30°C.
solubility	86.8g/l
form	Colorless liquid with pungent odor
color	Colorless to Almost colorless
PH	7 (50g/l, H2O, 20℃)
explosive limit	1.7-19%(V)
Water Solubility	86.8g/L at 25℃
BRN	102411
Stability:	Stable, but prone to polymerization - stabilizer may be added to neat liquid. Highly flammable. Incompatible with strong oxidizing agents, acids, bases, anhydrous metal halides, amino, hydroxyl and carboxyl-containing compounds. Inorganic acids and charcoal may lead to polymerization. Heat, light and moisture sensitive.
InChIKey	RBACIKXCRWGCBB-UHFFFAOYSA-N
LogP	0.68 at 25℃
CAS DataBase Reference	106-88-7(CAS DataBase Reference)
IARC	2B (Vol. 47, 71) 1999
EPA Substance Registry System	1,2-Butylene oxide (106-88-7)

Description and Uses

Butylene oxide is a watery white liquid withan etherial odor. Molecular weight = 72.1 (1,2- and 2,3-isomers);Specific gravity (H2O:1) = 0.83; Boilingpoint = 63.3℃; Freezing/Melting point = - 130℃; Vaporpressure = 142 mmHg at 20℃; 176 mmHg at 25℃;Relative vapor density (air = 1) = 2.2; Relative density ofthe vapor/air mixture at 20C (air = 1) = 1.3; Flashpoint = - 22℃; Autoignition temperature = 439℃.Explosive limits in air: LEL: 1.7%; UEL: 19%. HazardIdentification (based on NFPA-704 M Rating System):Health 2, Flammability 3, Reactivity 2. Soluble in water;solubility = 9.5% at 25℃.

Primarily used as a stabilizer for chlorinated hydrocarbon solvents; also used as a chemical intermediate in the production of butylene glycols

Safety

Symbol(GHS)	GHS02,GHS07,GHS08
Signal word	Danger
Hazard statements	H225-H302+H312+H332-H315-H319-H335-H351
Precautionary statements	P210-P280-P301+P312-P303+P361+P353-P304+P340+P312-P308+P313
Hazard Codes	F,Xn
Risk Statements	11-20/21/22-36/37/38-40-52/53
Safety Statements	9-16-29-36/37-61-19
RIDADR	UN 3022 3/PG 2
WGK Germany	2
RTECS	EK3675000
Autoignition Temperature	698 °F
TSCA	Yes
HazardClass	3.1
PackingGroup	II
HS Code	29109000
Hazardous Substances Data	106-88-7(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 500 mg/kg LD50 dermal Rabbit 1743 mg/kg